Question

How can a pollen grain of wheat and rice that tend to lose viability within 30 minutes of their release be made available months later for breeding programmes?

Class 12th​

Answer 1

a pollen grain of wheat and rice that tend to lose viability within 30 minutes of their release be made available months later for breeding programmes because the pollen grains are come in its stage of dormancy which make stable of the pollen grains for months

Answer 2

By cryopreservation in liquid nitrogen (-196 degree )