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Hybrid rice in India.pdf

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TGMS and two-l<strong>in</strong>e hybrid<br />

Based on the<br />

discovery of<br />

P(T)GMS mutant<br />

Male sterility<br />

controlled by 1 or 2<br />

pairs of recessive<br />

gene(s)<br />

Temperature<br />

high<br />

low<br />

Sterile<br />

F1 Seed<br />

Production<br />

Partial Sterility<br />

Fertile<br />

S-l<strong>in</strong>e<br />

Multiplication<br />

Reproductive Upper Limit<br />

Critical Sterility Po<strong>in</strong>t<br />

Critical Fertility Po<strong>in</strong>t<br />

Reproductive Lower Limit<br />

Model of Sterility / Fertility Expression for TGMS Rice

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