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Genetic Gains in Pearl Millet in India: Insights Into Historic Breeding Strategies and Future Perspective

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Title Genetic Gains in Pearl Millet in India: Insights Into Historic Breeding Strategies and Future Perspective
Not Available
 
Creator Om Parkash Yadav
S. K. Gupta
Mahalingam Govindaraj
Rajan Sharma
Rajeev K. Varshney
Rakesh K. Srivastava
A. Rathore
Rajendra Singh Mahala
 
Subject pearl millet
hybrid breeding
genetic gain
disease resistance
drought tolerance
biofortification
heat tolerance
 
Description Not Available
Pearl millet (Pennisetum glaucum R. Br.) is an important staple and nutritious food crop
in the semiarid and arid ecologies of South Asia (SA) and Sub-Saharan Africa (SSA). In
view of climate change, depleting water resources, and widespread malnutrition, there
is a need to accelerate the rate of genetic gains in pearl millet productivity. This review
discusses past strategies and future approaches to accelerate genetic gains to meet
future demand. Pearl millet breeding in India has historically evolved very comprehensively
from open-pollinated varieties development to hybrid breeding. Availability of stable
cytoplasmic male sterility system with adequate restorers and strategic use of genetic
resources from India and SSA laid the strong foundation of hybrid breeding. Genetic
and cytoplasmic diversification of hybrid parental lines, periodic replacement of hybrids,
and breeding disease-resistant and stress-tolerant cultivars have been areas of very
high priority. As a result, an annual yield increase of 4% has been realized in the
last three decades. There is considerable scope to further accelerate the efforts on
hybrid breeding for drought-prone areas in SA and SSA. Heterotic grouping of hybrid
parental lines is essential to sustain long-term genetic gains. Time is now ripe for
mainstreaming of the nutritional traits improvement in pearl millet breeding programs.
New opportunities are emerging to improve the efficiency and precision of breeding.
Development and application of high-throughput genomic tools, speed breeding, and
precision phenotyping protocols need to be intensified to exploit a huge wealth of native
genetic variation available in pearl millet to accelerate the genetic gains.
Not Available
 
Date 2021-08-03T04:48:27Z
2021-08-03T04:48:27Z
2021-03-01
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/52415
 
Language English
 
Relation Not Available;