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पूर्वोत्तर क्षेत्रीय विज्ञान एवं प्रौद्योगिकी संस्थान   
North Eastern Regional Institute of Science and Technology 
deemed-to-be-university under the Ministry of Education, Govt. of India
Nirjuli - 791109, Arunachal Pradesh 
faculties

Dr. Padma Raj Gajurel

Professor

Higher plant diversity & Taxonomy, Ethnobotany, NTFPs & Medicinal Plants

e-mail:prg[AT]nerist(dot)ac(dot)in /prgajurel[AT]gmail(dot)com
Phone (EPBX/Office): 360 2257401-08 extn. 6110

  • Professional Background
  • Educational Details
  • Administrative Background
  • Sponsored Research Projects
  • Consultancy projects (Completed)
  • Completed Projects
  • Memberships in Professional bodies
  • Teaching Engagements
  • Projects and Thesis Supervised/ Currently Supervising
  • Ph. Ds Supervised
  • Participation in short term courses
  • Courses or Conferences Organised
  • Special Lectures Delivered
  •  Research Publications (Journal) and Books Authored
  • Book Chapters
  • Papers Presented in Conference/Workshop/Symposium
Current Designation DOJ on current Position Type of Association Designation at the time of joining Date of joining in the organization
Professor 30th Dec. 2017   Associate Professor 20th June 2006

 

From To Designation Organisation
Dec. 2017 Till date Professor NERIST
Dec..2014 Dec.2017 Associate Professor NERIST
June 2006 Dec. 2014 Assistant Professor NERIST
Dec. 2003 June 2006 Young Scientist NERIST
Sept. 1997 Dec. 2003 JRF, SRF, RA NERIST
Degree Subject University
Ph. D  Botany- Taxonomy North Eastern Hill University
M. Sc Botany (Angiosperm Taxonomy) Gauhati University
B. Sc Botany (Hons) Zoology, Chemistry Dibrugarh University
From To Designation Organisation
Sept. 2022 Till date Chairman NHU NERIST
July 2015 Till date Laboratory In-charges NERIST
May 2012 Till date Nursery In-charge NERIST

Ongoing Projects

Sl. no

Title of the project

Funding Agency

Period

 

Grant (Rs. Lakh)

1

Exploration of native legumes of North-Eastern region of India and molecular characterization of associated nitrogen fixing microsymbionts: towards development of effective rhizobial consortium

DBT

2022-2025

37.14

 

 Completed projects

1

Comprehensive metabolic profiling and pharmacological studies of Piper species: a natural bioenhancer in pharmaceuticals

DBT

2019-22

46.0

2

Taxonomic revision and phylogeny of the genus Piper L.(Piperaceae) in India with its Biogeography

DST

2019-22

23.0

3

Bio resources and sustainable livelihood in Northeast India

DBT

2017-21

76.0

4

Capacity Building of Rural Tribal Women in Management and Marketing of Wild Edible Plants in Arunachal Pradesh (as Co PI)

DST

2018-21

35.0

5

Promotion of promising horticultural crops in degraded ecosystem and abandoned jhum lands in Arunachal Himalaya for improvement of livelihood” (as Co PI)

GBPNIHESD

2018-21

11.0

6.

Preventing extinction and improving conservation status of threatened plants through application of biotechnological tools

DBT

2012-17

27.0

7

Mapping, Analysis and Management of Medicinal and Aromatic Plants of Arunachal Pradesh using GIS, Phytochemical and Molecular Techniques (as Co PI)

NEC

2013-15

172.0

8

Developing a digital database on Bioresources of North East India: Through network approach among NE states

DBT

2011-2016

29.0

9

Study on species diversity of Primula in the eastern Himalaya.

ATREE

2010-13

9.99

10

Studies on Diversity Taxonomy and population status  of Endemic medicinal plants for promotion of Conservation

NEC Shillong

2011-16

26.5

11

Assessment of population structure and regeneration pattern of most preferred food plant species of Hoolock Gibbons in protected areas of Northeast India (as co PI)

CSIR

2010-13

14.0

12

Computational and biochemical approaches for in-silico screening and discovery of drug-like leads: Antidiabetic and antihypertensive compounds from Clerodendron spp. occurring in N E India (as co PI)

DBT

2012-13

32.0

13

Documentation and Conservation of wild edibles, aromatic plants of Arunachal Pradesh and adjoining state of the Region. (as co PI)

NEC Shillong

2011-14

24.12

14

Forest-based Cottage Industries in Arunachal Pradesh and to Formulate Strategies for promoting Institute – Industry and Community Linkage for Technology Dev. and Transfer

DST

2009-12

11.9

15

Botanical Ecological Survey of Medicinal Plant Conservation areas in Arunachal Pradesh”(UNDP funded project)

APSMPB- UNDP

2011-13

8.4

16

Studies on Diversity & Taxonomy of Piper species of North East India. (under Fast Track scheme of DST)

DST

2003-06

10.0

17

Survey and Evaluation of Pharmaceutical Potential Medicinal plants in NE India (consultancy project)

NIPER

2007-08

2.5
Title Course Code Module Semester
       
Title of Project Names of Students Status
     
Topic Scholar Name Status of PhD Registration Year
       
Course Name Sponsored By Date
     
Conference Name Sponsored By Date
     
Title Place Date
     

​​​​​​

  1.  

Seminar / workshop /Training programme organized

Sl. no.

Date & Vanue

 Title of course &sponsorship

Acted as

level

1

March 15 to June 15, 2022 NERIST

DBT-APSCST Skill Vigyan Programe on Construction of Low cost Nursery

Co ordinator

National

2

March 15 to June 15, 2022 NERIST

DBT-APSCST Skill Vigyan Programe on Bioinformatics

Co ordinator

National

3

11th March, 2020, Sopo Village, Arunachal Pr.

Farmers training on Sustainable  management  of Bamboo

Co-co ordinator

State level

4

28th -30th March, 2019, NERIST,

Training programme on Angiosperm Taxonomy with particular reference to Banana

Co-co ordinator

Regional

5

4th Feb, 2017

Dolongmukh, Arunachal Pradesh

Training programme for the farmers on Management and Cultivation of medicinal plants.

Co-co ordinator

State level

6

24th Sept. 2016

NERIST

Workshop on Northeast India Biodiversity Portal sponsored by ATREE

Co ordinator

Regional

7

14-15 Dec, 2015

Miao Arunachal Pradesh

Training programme for the farmers on Management and Cultivation of medicinal plants.

Co ordinator

State level

8

28th-29th Jan. 2013

NERIST

Consultative workshop & Trainning Need Assessement on Medicinal Plants

Co ordinator

National

9

6th – 8th May,2011 

NERIST

Workshop on Standardizing the cultivation and harvesting methods of NTFPs for their sustainable management

Organizing Secretary

National

10

24th March 2011

NERIST 

Trainning programme to the farmers on Potetial NTFPs and its sustainable management. DST, Govt of India.

Co ordinator

State

11

26 Feb., 2011

NERIST

Consultative workshop on Voices from high altitudes: Mainstreaming in State Action Plan on Climate Change (SAPCC) in Arunachal Pradesh’   sponsored  by WWF India,

Co ordinator

State

12

19th Dec 09

NERIST

Regional seminar on A long way to go for Empowering the people of Arunachal Pradesh, Economically for its sustainable growth,  funded by  ICSI, Kolkotta

Co Ordinator

Regional

13

11-12th Dec., 09

NERIST

 

National Seminar on Agroforestry for socio economic development of  North eastern region. funded by NEC Shillong.

Organizing secretary

National

14

28-30th May, 08

NERIST

Workshop on "Prospects of NTFP Certification and Sustainable NTFP Management" funded by IIFM Bhopal & RCDC, Bhubaneshwar

Co ordinator

National

15

15th 16th  Dec., 07 NERIST

Workshop cum Seminar on ‘’Bamboo resources of N E India: Adoption of suitable Cultivation techniques for Socio economic development of poor people’’ funded by NEC Shillong.

Organizing secretary

Regional

​​​​​​

  1.  

 

Sl. no

Title of presentation

Name of Conference/Workshop/ Training

Date and Venue

Organizer

1.

Biodiversity, ethnobotany and TKS in NE India: Relevance in food nutrition and health management

Tribes, state and the environment: Contemporary research in India’s North East India

6th-7th March. 2023 Rajiv Gandhi University

RGU Itanagar and IIT Gandhinagr

2

Diversity of MAP in NE India: Prospects and Challenges

Integration of herbal medicine of NE India in Clinical practice

4th Nov, 2022 Dibrugarh University

RIWATCH & Dibrugarh University

3

Traditional Knowledge System in NE India: Prospects in health & nutrition management

National Seminar on History of Science & Traditional Knowledge Systems in India

10th Oct. 2022 Rajiv Gandhi University

INSA

4

Medicinal Plants & its Commercialization aspect

Documentation of Traditional Healing Practices of Traditional Healers of NER

28th Sept. 2022 NEIAFMR

NEIAFMR , AYUSH, Pasighat

5

Prospects of Ethnobota nical Research in NE India,

National webinar on Ethnobotanical Research in  North East India

27th July, 2021.

NEIAFMR , AYUSH, Pasighat

6

Dihang Dibang BR- Bioresources and their Management

National webinar on Biospher Reserve  of India, Identification, Conservation and Management

15-19 March 2021  (Virtual)

Govt. MSG College Rewa, MP

7

Plant diversity,  their utilization  and socio economic prospects in Arunachal Pradesh 

Certificate course on People’s Biodiversity Register (PBR) Management.

18-21 January 2021. Itanagar

 

GBPNIHE, NER Centre, Itanagar

8

Piper L (Piperaceae) in India: Diversity Economic Potential & Conservation

Singapore Botanic Garden Speaker Series

15 Mar, 2019 Singapore

Singapore Botanic Garden

9

Taxonomic research in north east India

Training programme on Angiosperm Taxonomy with particular reference to Banana

 

28th -30th March, 2019, NERIST

Department of Forestry, NERIST

10

Medicinal and aromatic plant Resources - their cultivation and processing in NE India

Training on NTFP and Entrepreneurship Development for Sustainable Livelihood

 

12th Jan, 2018

 

NIRDPR-NER

Guwahti

11

Forest resources of North East India and their importance in socio economic development

Training Programme on the Interaction of Biodiversity and Climate Change in North eastern India 

22nd  Oct.- 3rd  Nov. 2018, Rajiv Gandhi Univ., Itanagar

ATREE Bangalore & Rajiv Gandhi University

12

Challenge of Collection and Taxonomy Research in North East India

Angiosperm Taxonomy, Bio-resource conservation and its utilization” 

3rd to 7th Dec ’18 at IIE, Guwahati

ATREE Bangalore

13

Cultivation and management of medicinal plants

Farming techniques and sustainable use of medicinal plants

11th -12th Sept, 2017  Golaghat,

D R College, Golaghat, Assam

14

Plant Taxonomy: Relevance & Methods

Workshop YETI-2016

4th-7th  Jan. 2017  Tezpur

Tezpur University

15

Indigenous Knowledge system and Biodiversity conservation

International Conference on Global Biodiversity, Climate Change & Sustainable Development

October 15-18, 2016

 

Rajiv Gandhi University, Itanagar

16

Management & conservation of Jatropha Curcas: A source of Bio-diesel

Workshop on Demonstration and Training on Bio-diesel Production

 

17th -18th Oct., 2016

Mech. Eng. Dept. NERIST

17

Forest Resources: Utilization and Conservation

 

National workshop on Role of Forestry In Conservation of Biodiversity

20th April 2016

Chaiduar college, Gohopur Assam

18

The Ethnobotany in the state of Arunachal Pradesh: An overview

National Conference on Aspect and prospect of Spermatophyte taxonomy

26th -27th Feb  2015,

EHSST & Assam University

19

Ecological Characters and Forest types of Namdapha NP and its adjacent areas

Consultative workshop on The Brahmaputra-Salween Landscape (BSL)

Jan 3rd 2012

 

GBPHIED, Itanagar with ICIMODE

20

Current Status of medicinal plants sector of Ar. Pradesh 

Consultative meeting on threat assessments of medicinal plant

Nov 16, 2012

 

IAIM -FRLHT Bangalore

21

Potential Forest Resources for Socio- economic upliftment 

UGC workshop on Sustainable use for Biodiversity

March  2012

Gohopur Assam

Chaiduar college, Assam

22

Field methods of plant collection

ToT programme for Field Botanist in conservation of medicinal plants.

May 11, 2011

FRLHT Bangalore UNDP GOI-GEP progr.

23

R & D Activities of Piper species in the northeast region: A review

Consultative meeting on Prospects and Potential of Piper species in North East India

 Mar. 12, 2011

IBSD, Imphal

24

High value and RET medicinal plants of Arunachal Pradesh. 

Finalaization of the list of GSMP &MPCA  in three Indian state under UNDP-GOI projects.

Sept 27, 2010

FRLHT-IAIM, Bangalore

25

Collection and Identification of plants

in National Workshop on Field Work in Environmental studies.

Feb 18, 2010

Dhing college, Assam.

26

Methods of Numerical Taxonomy 

Short term Trainning on Bioinformatics  4th March, 08

RGU, Rhono Hill, Itanagar

​​​​

Books Authored

  1. Gajurel P. R., Rethy, P., Kumar, Y. & Singh, B. 2008. Piper species of North East India- Arunachal Pradesh: BSMPS, Dehradun.  (43 figures and 30plates). ISBN: -978-81-211-0533-0
  1. Buragohain R., Gajurel, P. R. & Rethy, P. 2014.  Diversity and taxonomy of Moraceous species in the state of Arunachal Pradesh, India. Scholar Press, Germany,  p 205. ISBN: 978-3-639-71491-3.

​​​​​​

Journal Articles

  1. Gajurel, P. R., Singh, B,  Kashung, S., Adhikary,P. Nopi, S., Barman, R. Yakang, T., Doni, T., Gogoi., D. 2022  Foods from the wild: A review on diversity and use pattern of wild edible plants of Arunachal Himalaya for sustainable management. Plant Science Today 10(1): 80–90  doi:10.14719/pst.1857   IF 0.83
  1. Kashung, S., Gajurel, P. R., Singh, B Barman, R. & Yakang, T. 2022  Aristolochia rethyae, a new species from Arunachal Pradesh, India Phytotaxa 564 (1):001–007 doi:10.11646/phytotaxa.564.1.1  IF 1.12
  1. Samad, A. Singh, B. & Gajurel, P. R, 2022. Influence of growth regulators and length of cuttings on the propagation potential of Piper pedicellatum C. DC. – A threatened wild leafy vegetable of North-East India. Journal of Applied Horticulture, 34(2): 178-183   doi:10.37855/jah.2022.v24i02.33
  1. Lindsay, S. Middleton, D.J., ……Gajurel, P. R.…et al. 2022. Flora of Singapore: Checklist and bibliography Gardens’ Bulletin Singapore 74 (Suppl. 1): 3–860.  doi:10.26492/gbs74(suppl.1).2022-01
  1. Samad, A. Singh, B. & Gajurel, P. R, 2021. Influence of stem cutting size and growth regulators on propagation technique and yield attributes of Ceylon spinach [Talinum triangulare (Jacq) Willd] –An underutilized leafy vegetable. Indian Journal of Hill Farming, 34 (2): 224-230
  1. Kashung, S., Gajurel, P. R  & Singh B. 2021.Distribution and diversity of climbing species in Papum Pare District of Arunachal Pradesh, India. Journal of Threatened Taxa 13(3):17972-17983    10.11609/jott.5859.13.3.17972-17983
  2. Gajurel, P. R., Kashung, S., Nopi Sisibyeng, Panmei R., & Singh, B. 2021 Can the Ayurvedic Pippali plant (Piper longum L.) be a good option for livelihood and socio economic development for Indian farmers?  Current Science, 120 (10):1567-1571    doi: 10.18520/cs/v120/i10/1567-1572  IF 1.16
  1. Gajurel, P. R.,  Kashung, S., Singh, B & Nopi Sisibyeng. 2021. Present status of Distribution, utilization and marketing of Zanthoxylum armatum DC.- A socio economically potential species in Arunachal Pradesh, India Plant Science Today 8(1):210-217 doi: 10.14719/pst.2021.8.1.993  IF 0.83
  1. Samad, A. Singh, B. & Gajurel, P. R. 2021. Influence of propagules and growth regulators on the performance of underutilized spice –Spiny coriander (Eryngium foetidum L). Journal of Spices and Aromatic Crops, 30 (2):204-209.
  1. Gajurel, P. R & Lua H.K. 2020.  Flora of Singapore precursors, 20: Notes on the genus Piper (Piperaceae) from Singapore. Gardens' Bulletin Singapore 72(2): 135–141. doi 10.26492/gbs72(2).2020-02
  1. Tajum Doni & Gajurel, P. R. 2020. Diversity of Wild edible plants Traditionally used  by Galo tribes of  Indian Eastern Himalayan state of Arunachal Pradesh, India Plant Science Today, 7(3): 1-14doi: 10.14719/pst.2020.7.3.855     IF 0.83
  1. Kashung, S., Gajurel, P. R. & Singh, B. 2020. Ethnobotanical uses and socio-economic importance of climbing species in Arunachal Pradesh, India Plant Science Today, 7(3):371-377.doi: 10.14719/pst.2020.7.2.771 IF 0.83
  1. Panmei, R., Gajurel, P. R. & Singh, B. 2019. Ethnobotany of medicinal plants used by the Zeliangrong ethnic group of Manipur, northeast India Journal of Ethnopharmacology, 235:164-182. doi:10.1016/j.jep.2019.02.009    IF 5.10
  1. Kamle M., Mahato, K.D., Lee K.E, Vajpai, V K., Gajurel P R., Gu KS, Kumar P. 2019. Ethnopharmacological and medicinal properties of Litsea cubeba. Plants, 8:150. doi:10.3390/plants8060150    IF 4.66
  1. Ronald, K., Gajurel, P. R.& Singh, B. 2019.Assessment of eco-diversity status of Homalomena aromatica (Spreng.) Schott and its habitat in tropical forest of Indian Eastern Himalaya. Plant Science Today, 6(2):71-83. doi.org/10.14719/pst.2019.6.2.435   IF 0.83
  1. Arya, H.,  Yadav , C. S.,  Shu-Yu Linc, Syeda , S. B.,  Charlesa, M. R. C.,  Kannadasanb, S.,  Hsing-Pang Hsiehc , Singh, S. S., Gajurel P. R.,  & Coumar, M. S. 2019. Design of a potent anticancer lead inspired by natural products from traditional Indian medicine, Journal of Biomolecular Structure & Dynamics 38(12):3563-3577  doi: 10.1080/07391102.2019.1664326  IF 4.15
  1. Kashung, S., Gajurel, P. R.& Singh, B. 2019. Morphological variations and phenology of Ipomoea L. species of Arunachal Pradesh, Eastern Himalaya Int. J of Plant Reproductive Biology, 11(1):91-97. DOI:https://doi.org/ 10.14787/ijprb.2019.11.1
  1. Panmei, R., Gajurel, P. R.& Singh, B. 2018. Ethnomedicinal plants of the Bunning Wildlife Sanctuary of Manipur, India Pleione 12(1):1-10. doi: 10.26679/Pleione.30.6.2018.001-010
  1. Kashung, S., Gajurel, P. R.& Singh, B. 2018. Record of two climber species Ipomoea cairica(L.) Sweet and Ipomoea triloba L. (Convolvulaceae) - new for the flora of Arunachal Pradesh, India Pleione, 12(2):341-346.  doi: 10.26679/Pleione.12.2.2018.341-346
  1. Bawri, A., Gajurel, P. R. & Khan, M. L. 2018.  Lectotypifications of five names of Primula species (Primulaceae) Kew Bulletin 73:29     doi: 10.1007/S12225-018-9750-9   IF 0.82
  1. Devi, W. D., Gajurel, P. R.& Rethy, P. 2018. Phenological behaviour of Piper sylvaticumRoxb. (Piperaceae) a medicinally important species occurring in north East India   Int. J. of Plant Reproductive Biology, 10(1):84-89. doi: 10.14787/ijprb.2018 10.1.84-89
  1. Panda, P. C., Kumar, S., Singh, J. P, Gajurel, P., et al. 2018, Improving macropropagation and seed germination techniques for conservation of threatened species. Current Science, 114, (3), 562.  IF 1.02
  1. Bawri, A., Gajurel, P. R. & Khan, M. L. 2017. An amplified description and conservation status of a little known endemic species: Primula jigmediana W. W. SM (Primulaceae). Journal of the Bombay Natural History Society.DOI: https://doi.org/10.17087/jbnhs/2018/v115/105653
  1. Bamin Y., Gajurel P R & Paul A.2017. Community Structure, Species Composition and Population Status of NTFPs of Ziro Valley in Arunachal Pradesh, India Journal of Forest and Environmental Science. 33(3): 1-24. doi: doi.org/10.7747/JFES.2017.33.3.202
  1. Ronald, K.H., Gajurel P.R. Buragohain, R., Rethy P & Singh B. 2017.Poor Phyto-sociological status of medicinal plants in Eastern Himalaya: Case study on the present scenario of some rare and economically important medicinal plants. Folia Malaysiana 18(1) 2016: 43 – 56
  1. Devi, W. D., Gajurel, P. R.& Rethy, P. 2016. Phenology of Piper mullesua Buchanan-Hamilton ex D. Don (Piperaceae) - a medicinally important dioecious plant. Pleione, 10(2): 239-247.
  1. Bawri, A., Gajurel, P. R. & Khan, M. L. 2016.  Primulacalderiana subsp. bawaii (Primulaceae): a new subspecies from Arunachal Pradesh, India Phytotaxa, 265(1):67-72. doi: 10.11646/phytotaxa.265.1.6
  1. Devi, W. D., Gajurel, P. R.& Rethy, P. 2016. Bisexuality in dioecious male plant: An unusual phenomenon of sex expression in Piper species. Int. J of Plant Reproductive Biology, 8(1):82-86. DOI:http://dx.doi.org/10.14787/ijprb.2016 8.1.82-86
  1. Panmei, R., Gajurel, P. R. & Singh, B. 2016. Ethnobotany and nutritional values of some selected wild edible plants used by Rongmei tribe of Manipur northeast India. International Journal of Applied Biology and Pharmaceutical Technology 7(4): DOI: http://dx.doi.org/10.21276/ijabpt.2016.7.4.1
  1. Babu, V., Singh, S. K., Venkatasubramanian, P.& Gajurel, P. R. 2016.Comparative analysis of major alkaloids in Piperspecies traded as ‘Pippali’ in South Indian markets: absence of the chief known constituent –piperine in selected samples. Current Science, 111(9):1507-1510. IF 1.02
  1. Singh, N. P., Gajurel, P. R., Panmei, R. & Rethy, P. 2015. Indigenous healing practices and ethnomedicinal plants used against Jaundice by some Naga tribes in Nagaland, India. Pleione, 9(1):40-48.
  1. Bawri, A., Gajurel, P. R. & Khan, M. L. 2015.  Rediscovery of Primula polonensis. Kew Bulletin, 70: 56  doi: 10.1007/S12225-015-9605-6   IF 0.82
  1. Gajurel, P. R., Ronald, K.H, Buragohain, R. & Rethy, P. 2015.  On the present status of distribution and threats of high value medicinal plants in the higher altitude forests of the Indian Eastern Himalaya. Journal of Threatened Taxa, 7(6): 7243-7252. https://doi.org/10.11609/JoTT.o4041.7243-52
  1. Bawri, A., Gajurel, P. R, Paul, A. & Khan, M. L. 2015. Diversity and Distribution of Primula species in Western Arunachal Pradesh, Eastern Himalayan Region, India. Journal of Threatened Taxa, 7 (1): 6788-6795.  doi: 10.11609/JoTT.o3721.6788-95
  1. Singh, N. P., Gajurel, P. R. & Rethy, P. 2015. Ethnomedicinal value of traditional food plants used by Zeliang Tribe of Nagaland. Indian Journal of Traditional Knowledge, 14(2): 298-305. IF 0.76
  1. Yakang, B. & Gajurel, P. R.. 2015. Traditional use and conservation of some selected plants used in festivals and rituals in Apatani Plateau of Arunachal Pradesh, India. International Journal of Conservation Science, 6(2): 189-200.  IF 0.54

 

  1. Paul, A., Gajurel, P. R. & Das, A. K. 2015. Threats and conservation of Paris polyphylla an endangered, highly exploited medicinal plant in the Indian Himalayan Region. Biodiversitas 16(2): 295-302.10.13057/biodiv/d160226
  1. Bawri, A., Gajurel, P. R. & Khan, M. L. 2014. Primula lacerata (Primulaceae) - a rare species and addition to the flora of India from East Himalayan Region. Rheedea,  24 (1): 32-35.
  1. Doley, B., Gajurel, P. R., Rethy, P.& Buragohain, R. (2014). Uses of trees as medicine by the ethnic communities of Arunachal Pradesh, India. Journal of Medicinal Plant Research, 8(24), 857-863.                        doi:/ 10.5897/JMPR10.768
  2. Tamuly, C., Buragohain, R., Hazarika, M., Bora, J.& Gajurel, P. R. 2015. Assessment of antioxidant activity of six Ficusspecies—underutilized fruits from Arunachal Pradesh in North East India. International Journal of Fruit Science 15(1) 85-99. IF 1.56 doi: 10.1080/15538362.2014.931174
  1. Tamuly, C., Hazarika, M., Bora, J. &Gajurel, P. R. 2014. Antioxidant Activities and Phenolic Content of Piper wallichii (Miq.) Hand.-Mazz. International Journal of Food Properties 17(2): 309-320. UGC no. 3038 (ISSN 10942912)  DOI:https://doi.org/10.1080/10942912.2011.631250
  1. Bawri, A., Gajurel, P. R. & Khan, M. L. 2014. New distributional records of Primula species in Arunachal Pradesh, India. Bioscience Discovery, 5(1):6-10.ISSN: 2229-3469 (Print); ISSN: 2231-024X (Online)
  1. Chowdhury, U., Tanti, B., Rethy, P.& Gajurel, P. R. 2014. Analysis of genetic diversity of certain species of Piper using RAPD-based molecular markers.  Applied Biochemistry and Biotechnology, 174(1): 168-173.    IF. 2.92
  1. Buragohain, R., Gajurel P. R., Rethy, P. & Singh, B. 2014. Ficus geocarpa (Moraceae): A new record for India from Arunachal Pradesh. Rheedea, 24(2): 110-112.
  1. Panmei, R. Gajurel, P. R. Singh, B. & Rethy, P. 2014. Utilization pattern of NTFPs by Rongmei tribe of Manipur, North East India. Journal of Non timber forest products 21(1): 9-20.

 

  1. Buragohain, R., Gajurel, P. R., Rethy, P. & Singh, B. 2014. Ficus variegata Blume (Moraceae) – A new record from Arunachal Pradesh, India. J. of the Bombay Natural Hist. Soc.,111(2): 148-149.                       doi: 10.17087/jbnhs/2014/v111i2/72251
  1. Hazarika, H., Gajurel, P. R. & Rethy, P. 2014. Phytosociological analysis of Piper betleoides C.DC. an endemic species of Indian Eastern Himalayas, Arunachal Pradesh. International Journal of Recent Scientific Research,    5(9): 1560-1570.
  1. Brahma, J., Singh, B., Rethy, P. & Gajurel, P.  R. 2014.Nutritional analysis of some selected wild edible species consumed by the Bodos tribes of Kokrajhar district, BTC, Assam. Asian journal of Pharmaceutical & Clinical Research 7(3): 34-38.
  1. Sharma, K., Kumar, A., Krishna, C. M., Tripathi, O.P.  & Gajurel, P. R. 2013. Ground Feeding Observation on Corn (Zea mays) by Eastern Hollock Gibbon (Hoolock leuconedys). Current Science 104(5): 587-588. IF 1.02
  1. Bamin, Y., Gajurel, P. R., Potsangbam, S. & Bhuyan, L. R. 2013. Account of common and traditional Non Timber Forest Products used by Apatani tribe of Arunachal Pradesh, India. Pleione 7(2):514-529.
  1. Bawri, A., Gajurel, P. R. & Khan, M. L. 2013. Record of Primula waltonii Watt ex I.B. Balfour (Primulaceae) from Arunachal Himalaya with taxonomic notes. Pleione 7(1): 262-265.
  1. Tamuly, C., Hazarika, M., Bora, J., Bordoloi, M., Boruah, M. P.& Gajurel, P. R. 2013. In vitro study on antioxidant activity and phenolic content of three Piper species from North East India. Journal of Food Science and Technology 52(1): 117-128. doi:10.1007/s13197-013-1021-z
  1. Buragohai, R. Gajurel, P. R ., Rethy,  P. & Singh, B. 2012. Ficusconglobata King: A rare and lesser known species from Arunachal Pradesh. Pleione, 6(2): 415-419.
  1. Gajurel, P. R., Doley, B. & Rethy, P. 2012. Bauhinia roxburghiana Voigt.  (Caesalpiniaceae) - A new record for NE India. Pleione 6(1): 238-240.
  1. Saikia, B., Rethy, P., Gajurel, P. R., & Doley, B. 2012. Exotic wild edible plants of Sonitpur district, Assam. Journal of Biosciences Research 3(1):71-75.
  1. Doley, B., Gajurel, P. R.,Rethy, P., Singh, B. & Boragohain, R. 2010. Flora of NERIST campus, Arunachal Pradesh, India: a checklist along with their common uses. Pleione 4(1): 8-16.
  1. Kagyung, R., Gajurel, P. R., Rethy, P. & Singh, B. 2010. Ethnomedicinal plants used for gastro-intestinal diseases by Adi tribes of Dehang-Debang Biosphere Reserve in Arunachal Pradesh. Indian Journal of Traditional Knowledge, 9(3): 496-501. IF 0.76
  1. Doley, B., Gajurel,P. R., Rethy, P., Singh, B., Buragohain, R. & Potsangbam, S. 2010. Lesser known Ethno medicinal Plants Used by the Nyshi community of Papumpare District, Arunachal Pradesh. J. Bio Sci. Res 1(1):34-36.
  2. Doley, B., Gajurel P. R., Rethy, P. & Saikia, B.2010. A check list of commonly used species by the Nyshi tribes of Papumpare District, Arunachal  Pradesh J. Bio Sci. Res 1(1): 9-12.
  1. Rethy, P., Singh, B., Kagyung, R. & Gajurel, P. R. 2010. Ethnobotanical studies of Dehang-Debang Biosphere Reserve of Arunachal Pradesh with special reference to Memba tribe. Indian Journal of Traditional Knowledge 9(1): 61-67. IF 0.76
  1. Saikia, B., Doley, B., Rethy, P.&Gajurel, P. R. 2010.Traditional uses of flower as food in Sonitpur district of Assam and Papumpare district of Arunachal Pradesh. Ethnobotany 22: 121-124.
  1. Doley, B., Gajurel P. R., Rethy, P., Singh, B. &Hazarika, H. 2009. Ethnomedicinal uses of different species of Cinnamomum Schaeffer (Lauraceae) by ethinic communities in Arunachal Pradesh, India. Pleione  3(1): 9-12.
  1. Singh, B., Rethy, P. Hazarika, H., Gajurel, P.R. & Kagyung, R. 2009. Wild Edible Plants and its Commercial Potential: A case study from Itanagar area of Arunachal Pradesh. Journal of Non Timber Forest Products 16(2): 139-144.
  1. Pangging, G., Arunachalam, A. & Gajurel, P. R. 2009. Community forestry – linking conventional and nonconventional forest areas for sustainable development. Current Science 97(7): 981.  IF 1.02
  1. Gajurel, P. R., Rethy, P. &Kumar, Y. 2007. A new species of Piper L. (Piperaceae) from Arunachal Pradesh, India. Rheedea 17(1&2): 35-39.
  1. Gajurel, P. R., P. Rethy, Singh, B. &Angami, A.2006. Ethnobotanical studies on Adi tribes in Dihang Dibang Biosphere Reserve in Arunachal Pradesh, Eastern Himalaya. Ethnobotany 18(1&2): 114-118.
  1. Gajurel, P. R., Bora, P. J., Muthu, J. & Sarmah, A. 2006. Status and conservation aspects of Amentotaxus assamica- A critically endangered Gymnosperm in Arunachal Pradesh, Eastern Himalaya. Phytotaxonomy (6): 39-44.
  2. Rethy, P., Handique, P., Singh, B., Sood, K. K., Gajurel, P.R. & Angami, A.  2006. Bamboo species of Arunachal Pradesh with special reference to utilization pattern and cultivation practices in West Siang district. Journal of Non Timber Forest Products 13(1):  1-7.
  1. Angami, A., Gajurel, P. R., Rethy, P., Singh, B. & Kalita, S. K. 2006. Status and potential of wild edible plants of Arunachal Pradesh. Indian Journal of Traditional Knowledge 5(4): 541-550. IF 0.76
  1. Gajurel, P. R., Rethy, P., Kumar, Y. & Singh B. 2002.Numerical taxonomic studies on some species of Piper L. (Piperaceae) of North East India. Rheedea 12 (2): 107-122.
  1. Gajurel, P. R., Rethy, P. & Kumar, Y. 2001. A new species of Piper (Piperaceae) from Arunachal Pradesh, North Eastern India.  Bot J. of Linnaean Society 137: 417-419.  IF 2.90
  1. Gajurel, P. R., Rethy, P. & Kumar, Y. 2001. Piper haridasanii a new species of Piper (Piperaceae) from Arunachal Pradesh, North Eastern India. Journal of Economic and Taxonomic Botany 25 (2): 293-296.
  1. Gajurel, P. R., Rethy, P. & Kumar, Y. 2000. Piper acutistigmum C. DC. (Piperaceae): A new record for India. Rheedea  10 (2): 139-141.

 

  1. Gajurel, P. R., Rethy, P. & Kumar, Y. 1998. Piper lonchites Roem. &Sch. -A lesser known species of Piper from Arunachal Pradesh, India. Journal of Economic and Taxonomic Botany 22 (3): 731-733.
  1. Gajurel, P. R. & Rethy, P. 1998. Piper species of Arunachal Pradesh and their potential for development as a commercial crop in the state.  Arunachal Forest News 16 (1 & 2): 32-37.

 

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Chapter in Book /  Proceeding Volume

1. Gajurel, P. R.,Rethy, P., Kumar, Y. & Singh B. 1999. Taxonomic problems and distribution of Piper species of North East India with special references to Arunachal Pradesh. In Sivadasan, M. & Mathew, P (eds.) Biodiversity, Taxonomy & Conservation of Flowering plants.. (proceeding of IAAT conference 1998). Mentor Books, Calicut, India.. (ISBN- 81-900324)  pp 57-68

2. Gajurel, P. R.,Rethy, P. & Singh, B. 2000. Economic importance of Piper species of North East India and its potential for introduction in Agroforestry systems. Rethy, P. et al (eds) Forest Conservation and Management IBD, Dehradun, India 81-7089 – 280-5) pp 489-495.

3. Gajurel, P. R., Rethy, P. & Singh, B. 2000. The genus Piper L in North East India:  Species Diversity, Taxonomy, and its Potential for Commercialization. Arunachalam, A. &  Khan, M. L. (eds.) Sustainable Management of Forest-India IBD, Dehradun, India (ISBN 81-211-0298-7)  pp 65-76.

4. Gajurel, P. R., Rethy, P. & Kumar, Y. 2002. The genus Piper in Arunachal: A systematic Profile. In A. P. Das (ed.) Perspectives of Plant Biodiversity. (Proceeding of IAAT conference  2001) BSMPS, Dehradun, India (ISBN 81-7089 – 280-5)   pp. 102-124. 

5. Gajurel, P. R., Rethy, P., Kumar, Y. & Singh, B. 2003. Importance of Systematic Investigation for Proper Utilization and Cons. of Piper species of NE India. In Gian Sing et al., (eds.) Ethnomedicine of North-East India. NISCOM, CSIR (ISBN 81-7236 -243-9) pp. 305-313

6. Singh, B., Rethy, P., Sood, K. K., Handique, P.  & Gajurel, P. R. 2006. Enhancing agroforestry system for sustainable land use and development in Arunachal Pradesh. In Shrivastavaetal., (ed) proceeding  of National Seminar on Land Resource Management for Sustainable Development RWD Govt of Arunachal Pradesh.  pp 126-133.

7. Gajurel, P. R.,Rethy, P. & Singh, B. 2007. Wild edible plants of Dehang Debang BR in Arunachal Pradesh. In Das &Pandey (eds) Advances in Ethnobotany  (proceeding of IAAT conference 2000) BSMPS, Dehradun, India    (ISBN 81-211-0298-7) pp78-82.

 

8. Rethy, P., Singh, B., Angami, A., Gajurel, P. R. & Handique. 2009. Edible fruits in Arunachal Pradesh: Utilization pattern and marketing status. S. C. Tiwari (ed)   Ethnoforestry: The Future of Indian Forestry BSMP, Dehradun, India  (ISBN 81-2110728-8)  pp: 203-220

 

9. Gajurel, P. R.& Rethy, P. 2009. Status and application of Ethnoforestry in sustainable Forest management and community development. S. C. Tiwari (ed) Ethnoforestry: The Future of Indian Forestry BSMP, Dehradun, India (ISBN 81-2110728-8)  PP: 1-8

 

10 Hazarika, H., Rethy, P., Singh, B., Gajurel, P.R., Doley, B. &Buragohain, R. 2009. Agro forestry System in Arunachal Pradesh: Potential and prospects for Sustainable land use management.pp.116-123. In Singh etal., (eds.) Proceeding of national seminar on Agroforestry for Socioeconomic Development of North eastern Region Dept. of Forestry  NERIST.

11 Saikia, B., Rethy, P., Gajurel, P.R. & Hazarika, H. 2009. Importance of agro forestry in watershed management in the Sunitpur District Assam.pp.59-63. In Singh etal., (eds.) Proceeding of national seminar on Agroforestry for Socioeconomic Development of North eastern Region. Dept. of Forestry, NERIST

12 Handique, P., Rethy, P.,Singh, B.,  Gajurel, P. R., Dutta, B. K. & Das,  A. 2009. Role of bamboo resources in socio economic development of the tribal people of Arunachal Pradesh. Singh et. al., (eds.) Proceeding of national seminar on “Agroforestry for Socioeconomic Development of North eastern Region” Dept. of Forestry,  NERISTpp.104-115

 

13 Hazarika, H., Rethy, P., Singh, B., Gajurel, P. R .& Doley , B. 2009. Prospects of Growing Biodiesel plants in Arunachal Pradesh Lingfa P (ed) Proceeding of regional seminar on “Bio fuels in North East India: Issue and Prospects. Dept of Mechanical Eng., NERIST

 

14 Gajurel, P. R. 2011. Species diversity and utility potential of Piper species of North east India. Barua A & Nath S. C. (eds)  Aromatic & Spice plants: Utilization and Conservation Aviskar Pub Jaipur, India  (ISBN 978-81- 7910-356 -2) pp-57-69

 

15 Gajurel P. R. 2010. Plant collection, preservation and identification. Nath S K (ed) Proceeding of the National workshop on Field Work in Environmental Studies. Dhing College, DhingAssam  (ISBN 01-904177- 3-0)  pp.13-17.

 

16 Kalita, J., Singh, S. S., Gajurel, P. R. 2012. Clerodendrum viscosum Vent An ethnomedicinally important plant of north east India. Singh K B et al., (eds) Recent Advances in Natural Product Research. (ISBN 987-81-924321-2-0)  pp.52-58.

17 Bhuyan, L., Pallabi Bharali, P. R. Gajurel, B. Singh & P. Rethy 2017. Ethnomedicinal plants of Lakhimpur District, Assam: Potentiality for socio-economic development. Medhi. P. & Roy H.(eds) Compendium of Botanical research in Eastern India. Eastern Book House Publishing Guwahati. (ISBN 10: 9386302233).

18. Pamei R.,Gajurel, P.R. and Singh, B. 2021. Utilaization pattern of medicinal plants by Zeme tribe of Manipur, NE India. In Bawri A. et al (eds.) Recent Advances in Folk Medicine Research in North East India. Pp. 617-645 (ISBN 987-81-955047-0-1) 

19. Yakang, T., Gajurel, P.R. and Singh, B. 2022. Distributional pattern and ethnobotanical values of Piper wallichii (Miq.) Hand.-Mazz. (Piperaceae) in Das et al (eds.) Proceeding Volume for the National Seminar on Plant Taxonomy and Traditional Knowledge in the Himalayas and North East India held during February 21 & 22, 2022

20. Gajurel, P.R. and Yakang, T. 2022. The genus Piper L. (Piperaceae) in Indian Flora in Seetalakshmi K. K. et al (eds) Conspectus on Realms of Biodiversity. BIVA, Kerala. Pp. 225-246.

 

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Title/Subject of conference/seminar/ workshop

Date & Venue

1.

International. conference. on Sustainable. Agricultural Production for food, nutritional &  livelihood Security,

Sept 25-27, 2019

Pattaya, Thailand

 

2

13th  World Congress on Pharmacology and Toxicology”

Nov. 14-15, 2018 

Melbourne, Australia

 

3

International Conference on Biodiversity, Climate Change Assessment and Impacts on Livelihood 

 Jan. 10-12, 2017

Kathmandu, Nepal

 

4

International Conference on Biodiversity, Climate Change

October 10-12, 2016

 Rajiv Gandhi Univ., Itanagar

 

5

International Conference of Society of Economic Botany on Global vision on Indegenous plants and Economic botany,.

June 2-5, 2015

Clanwilliam, South Africa

 

6

National Sym on Himalayan Biodiversity: Prospects & Challenges

20th-21stMarch, 2014

NEHU, Shillong

 

7

23rd Conference of IAAT and National Seminar on Recent Advances in Plant Taxonomy.

27th-29th Dec. 2013

RTM Nagpur University

8

International Conference&54th Annual meeting of the Society for Economic Botany.

 

June 28th –July 2nd , 2013

Plymouth University

U K

9

Malaysia International Biological Symposium.

July 11-12, 2012

University Putra Malaysia

10

53rd Annual meeting of the Society for Economic Botany and International symposium on Ethnobotany of Mountain Culture.

Frostburg State University, USA June 2-8., 2011

 

11

International seminar on Resources, Tribes and State.

Rajiv Gandhi University Itanagar13-15th February 2012

12

International Conference of IOBP on Evolution of plants from Tropical to high mountain ecosystem: Focus on Asia.

Oct  27-29 2010                                          Dr. B. Amedkar M Univ. Aurangabad

13

International Symposium on angiosperm systematic and phylogeny :Retrospects and Prospects. 

Nov,12-14 2009

NBRI, Lucknow.

14

Workshop on Conservation of medicinal plants and of Eastern Himalaya in India

Aug,18-19, 09

Winrock International India

15

Improvement of Bamboo Productivity and marketing for sustainable livelihood

April 15-17.2008

National Bamboo Mission, New Delhi

16

Consultative meet on Survey and Evaluation of Pharmaceutical potential of Medicinal Plants in North East India,

Apr. 9 -10, 2007 at Guwahati by

NIPER, Mohali

17

Seminar of IAAT on New Frontiers in Plant Taxonomy and Biodiv. Conservation”        

 

Dec, 29-31 2004

TBGRI, Kerala.

18

International Symposium of IAAT on Plant Taxonomy: Advance and Relevance

Nov 14-15, 2003

T.M Bhagalpur Univ,  Bhagalpur

19

National seminar of IAAT on Taxonomy in Nation Building..

Sept,26-27 2002

Goa University, Goa

20

National Seminar on Traditional Knowledge Base on Herbal Medicine and Plant Resources of N. E. India- Protection, Utiliz. and Conservation

 March 13-15, 2001

NISCOM, CSIR, at  Guwahati.