Abstract
Grain yield in cereals is considered one of the most important traits in the perspective of global food supply. It largely depends on several components including grain size and grain number. Several studies have been conducted to understand the genetic and molecular basis of these two traits. In this article we review the information so far obtained on the mechanisms governing seed size in crop plants particularly in cereals and discuss the potential uses of this information to improve the productivity of seeds in cereal crops.
Keywords: Arabidopsis, Cryptic variation, Grain weight, Hormones, Maize, Seed size, Tillers.
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