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Reselection of a Pearl Millet Cultivar Utilizing Residual Variability for Downy Mildew Reaction

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Relation http://oar.icrisat.org/2445/
http://onlinelibrary.wiley.com/doi/10.1111/j.1439-0523.1992.tb00150.x/abstract
 
Title Reselection of a Pearl Millet Cultivar Utilizing Residual Variability for Downy Mildew Reaction
 
Creator Singh, S D
Singh, P
Andrews, D J
Talukdar, B S
King, S B
 
Subject Millets
 
Description ‘BJ 104’ was the most widely grown pearl millet hybrid in India until it became susceptible to downy mildew (DM) in 1984—85. Residual variability for resistance was found in both parental lines, 5141 B (maintainer of 5141 A) and J 104, and through four generations of pedigree selection under intense disease pressure in the DM nursery, two lines, IC-MA841 (from 5141 B) and ICMP 84814 (from J 104), were selected resulting in a reconstituted DM resistant hybrid (‘ICMH 84814’) which was equal in yield to the original ‘BJ 104’. The reconstituted hybrid, though phenotypically similar, can be distinguished from “BJ 104” being slightly taller, flowers later, has heavier heads, and 1000-seed weight, but tillers less.

A similar exercise was attempted on Tifton 23 B, the female parent of the first widely grown hybrid (‘HB 3’— the male parent was also J 104), but no variability for resistance to DM was found
 
Publisher Blackwell Publishing
 
Date 1992
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
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Identifier http://oar.icrisat.org/2445/1/PlantBreeding_109_1_54-59_1992.pdf
Singh, S D and Singh, P and Andrews, D J and Talukdar, B S and King, S B (1992) Reselection of a Pearl Millet Cultivar Utilizing Residual Variability for Downy Mildew Reaction. Plant Breeding, 109 (1). pp. 54-59.