NDLI: Genetic Improvement of Pearl Millet in India

Content Provider	Springer Nature Link
Author	Yadav, O. P. Rai, K. N.
Copyright Year	2013
Abstract	Pearl millet [Pennisetum glaucum (L.) R. Br.] is grown widely in the arid and semi-arid tropical regions in Indian subcontinent and African continent under the most adverse agro-climatic conditions where other crops like sorghum and maize fail to produce economic yields. Its grains are valued as human food while its dry stover makes important livestock ration in crop–livestock farming system. Enormous progress has been made in the genetic improvement of pearl millet in India during last several decades. This paper presents an overview of strategies followed in genetic improvement of pearl millet, assesses the impact of this research on crop productivity and presents its future prospects in climate-change scenario for providing food and nutritional security. The genetic improvement programme evolved strongly starting from selection in local and traditional material and reaching development of high-yielding hybrids with in-built resistance to diseases and tolerance to climatic stresses like drought and heat. The major approach in hybrid breeding has been to strategically utilize germplasm from Africa and Indian subcontinent with the result that a large number of genetically diverse hybrids have been developed with different combinations of phenotypic traits that are important for adaptation to different ecological regions. The genetic diversification of hybrids has proved very critical to contain downy mildew epidemics which had threatened hybrid technology per se in mid-1970s. A great deal of work has been done on understanding the epidemiology of different diseases and crop response to moisture stress that helped in developing disease-resistant and stress-tolerant cultivars. More than 100 cultivars with a combination of diverse phenotypic traits have been released in the last 25 years, providing a wide range of choice to farmers in different production ecologies of the crop. These cultivars have been widely adopted by Indian farmers with the result that the crop productivity has gone up from 305 kg ha$^{−1}$ during 1951–1955 to 998 kg ha$^{−1}$ during 2008–2012, registering a 227 % improvement which assumes greater significance given that more than 90 % of pearl millet is grown as rainfed and often on marginal lands. In future, pearl millet is likely to play a greater role in providing food and nutritional security. Pearl millet would also be an excellent genomic resource for isolation of candidate genes responsible for tolerance to climatic and edaphic stresses for accelerating further genetic improvement of this crop as well as for their possible deployment in the genetic improvement of other crops.
Starting Page	275
Ending Page	292
Page Count	18
File Format	PDF
ISSN	2249720X
Journal	Agricultural Research
Volume Number	2
Issue Number	4
e-ISSN	22497218
Language	English
Publisher	Springer India
Publisher Date	2013-11-20
Publisher Place	India
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Disease resistance Plant Biochemistry Genetic improvement Pearl millet Drought Biodiversity Plant Sciences Adoption Cell Biology Plant Ecology Plant Genetics & Genomics
Content Type	Text
Resource Type	Article
Subject	Plant Science Food Science Agronomy and Crop Science

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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