early generation造句怎么写

In the early generations the selection should not be too strict, and 15% selection intensity was suitable in F2 generation, but 10% was suitable in F3 and F4.

This method is convenient and available for selecting early generation materials and may accelerate the process of maize starch quality breeding.

It included low amylose and protein material's selection in early generation, low protein rice culture, purchase according to quality, paddy and brown rice choiceness and super low temperature store.