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Linkage between brown planthopper resistance and morphological characters in rice

Published online by Cambridge University Press:  27 March 2009

G. S. V. Prasad
Affiliation:
Directorate of Rice Research, Hyderabad-500 030, India
M. V. S. Sastry
Affiliation:
Directorate of Rice Research, Hyderabad-500 030, India
T. E. Srinivasan
Affiliation:
Directorate of Rice Research, Hyderabad-500 030, India
M. B. Kalode
Affiliation:
Directorate of Rice Research, Hyderabad-500 030, India

Summary

Linkage was detected between brown planthopper resistance and anthocyanin or nonanthocyanin pigmentation in rice cultivars. The crossover values were: 21·9–37% for leaf sheath, 31% for junctura, 41% for auricle, 12·5–40% for ligule, 14·32–1% for leaf tip and margin, 19·7–37% for stigma, 19·7–36% for apiculus and 46·7% for pericarp colour. Genes governing resistance and black hull colour or glabrousness of leaf blade assorted independently. The genes identified and designated for brown planthopper resistance and pigmentation have been tentatively proposed to linkage groups II, IV and V.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1987

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