Isolation distance used for Rice foundation seed?

The correct answer is 3m.

• Isolation distance is the minimum separation required between two or more varieties of the same species for the purpose of keeping the seed pure.
• The isolation distance for the foundation seed of rice is 3meters.
• The isolation distance is essential to prevent pollination from unwanted pollen in the case of cross-pollinated and often cross-pollinated species.
• It is essential to avoid mechanical mixture and chance of cross-pollination in self-pollinated species.