Question

How can pollen grains 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

Answer:

The pollen grains can be cryopreserved (storing in liquid nitrogen at −196°C.)

Explanation:

Answer 2

Although the pollen grains of wheat and rice lose viability within 30 minutes but it is possible to store pollen grains of a large number of species for years in liquid nitrogen (-1960C). Such stored pollen can be used as pollen banks in crop breeding programmes.

Hope this will help you (◕‿◕)