究竟有何影响
What the impact is
以上为机器翻译结果，长、整句建议使用 人工翻译 。
甘蓝型油菜属于常异花授粉植物，一般认为自交不会产生衰退现象，但多代连续自交对甘蓝型油菜究竟有何影响鲜见报道。
Brassica napus L. is an often cross-pollinated plant, and is not generally considered selfing recession, but it was little reported about effects of selfing on main traits of Brassica napus L.
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