In any case, if I grow hybrid maize or hybrid pearl mallet or any hybrid, I have to sow fresh seed every year. I cannot keep the seed of the same plant. If I keep the seed of the same plant, yield will be much less and there will be a wide variation in the field, like maturity period, quality and so on.

You can classify farmers into two major groups. One who saves seeds for the next crop and the other who purchases seeds from the market. Most of the commercial farmers like the US farmers are people who purchase seeds.

Hybrids have become an important method for improving productivity or yield in many crops including the self-pollinated crop like rice.

M. S. Swaminathan Quotes