Yield gap in wheat: Approach, quantifcation and resetting research priorities in India
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Authors
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Sendhil R
ICAR-Indian Institute of Wheat & Barley Research, Karnal 132 001 (Haryana), India
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Randhir Singh
ICAR-Indian Institute of Wheat & Barley Research, Karnal 132 001 (Haryana), India
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Ramasundaram P
ICAR-Indian Institute of Wheat & Barley Research, Karnal 132 001 (Haryana), India
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Anuj Kumar
ICAR-Indian Institute of Wheat & Barley Research, Karnal 132 001 (Haryana), India
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Satyavir Singh
ICAR-Indian Institute of Wheat & Barley Research, Karnal 132 001 (Haryana), India
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Indu Sharma
ICAR-Indian Institute of Wheat & Barley Research, Karnal 132 001 (Haryana), India
Keywords:
Yield gap, wheat, production constraints, quantifcation, research prioritizationAbstract
Despite the technological breakthrough after Green Revolution,
the yield of wheat realized at farmers’ felds is much lower than its
potential yield at experimental farms. An attempt has been made to
quantify the yield gaps and prioritize wheat research in India based
on the identifed production constraints. The authors have developed
a ‘hybrid approach’ to quantify the yield gaps from 2001-02 to 2010-11.
Analysis for the decade indicated that the yield gap has been declining,
inter alia, due to incessant efforts done by the research and extension
across the country. The study identifes region-specifc production
constraints accounting for the existing yield gaps and also suggests
some research priorities to bridge the yield gaps.
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