Piriculariosis resistance inheritance of rice isogenic lines obtained from anthers culture
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Abstract
«Los Palacios» seeds first generation of harvested rice isogenic
lines, coming from F2 in vitro anthers culture from crossings
Amistad´82/2077, 2077/Amistad´82, Amistad´82/IR759-54-2-2
and Moroberekan/Amistad´82, were sowed in field, with the
objective to evaluate their behaviour in natural Blast field
infection. The absence of dominant genes in heterocigosis
involved in the inheritance to Blast was confirmed and,
apparently, the behaviour could be governed by major genes
in homocigosis and small genes with additive effect. Four
isogenic lines wit good agronomic behaviour and Blast
resistant were selected. The same will be very useful to obtain
new varieties.
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