how can pollen grains of wheat and rice which tend to lose viability within 30 minutes of their release be made available month later for breeding programs
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Pollen grains correspond to male gametophytes and once they shed, they need to land on the stigma.
The pollen grains lose their viability within a period of time which varies from plant to plant. In the cases of wheat and rice, it might be 30 minutes where as for plants like Roseceae and Leguminoseae the viability may stay for months after release.
It is possible to keep the viability of pollen grains of wheat and rice for months after release by using cryopreservation or keeping them in presence of sporopollenin.
The pollen grains lose their viability within a period of time which varies from plant to plant. In the cases of wheat and rice, it might be 30 minutes where as for plants like Roseceae and Leguminoseae the viability may stay for months after release.
It is possible to keep the viability of pollen grains of wheat and rice for months after release by using cryopreservation or keeping them in presence of sporopollenin.
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Answer:
Explanation:yes
Wheat and rice lose thief viability in 30 mimutes
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