selection procedure造句怎么写

Their F_2 is backcrossed with 7902- 4, and F_2 of this backcross is backcrossed again with 40354, and then selected by using the modified pedigree and bulk selection procedure.

The selection procedure for R18 offered a referential example for breeding varieties highly resistant to verticillium wilt of cotton.

Overseas returnees who pass selection procedures must be familiar with local conditions, Hong said.