Breakthrough in breeding for resistance to downy mildew in pearl millet

Murty, B.R. (1980) Breakthrough in breeding for resistance to downy mildew in pearl millet. EPPO Bulletin, 10 (3). pp. 311-315.

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The Indian millet (Pennisetum typhoides) hybrid breeding programme received a setback in 1965 through the high Sclerospora graminicola susceptibility of the female parent Tift 23 A, common to all 5 hybrids which had been released. Mutational rectification of the fertile counterpart of the male sterile line using gamma radiation permitted the development of a tolerant line which could replace the female parent. Simultaneous diversification of resistance using West African and India donors in the backcrossing programme permitted the release of 3 more male steriles (5054 A, 5141 A and L111 A) which are as widely adapted as the parental line. The corresponding selection for resistance in the male parents of the released hybrids resulted in a set of new reconstituted hybrids now cultivated in > 4 million ha in all the millet growing states in India, and which combine mildew resistance with all the desirable agronomic features of earlier hybrids

Item Type: Article
Author Affiliation: Nuclear Research Laboratory, Indian Agricultural Research Institute, New Delhi (India)
Subjects: Crop Improvement > Genetics/Genomics
Crop Improvement > Plant Breeding
Divisions: Millet
Other Crops
Depositing User: Ms K Syamalamba
Date Deposited: 10 May 2012 08:28
Last Modified: 10 May 2012 08:28
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