影响大豆杂交成活率因素初探
以下是小编帮大家整理的影响大豆杂交成活率因素初探,本文共3篇,供大家参考借鉴,希望可以帮助到您。 影响大豆杂交成活率因素初探 在早春温室内大豆人工杂交试验中发现:花蕾大小、授粉时间、去雄和授粉间隔时间等因素对杂交成活率有一定的`影响,其中以花蕾大小、授粉时间的影响为主.一般花蕾大的(未自花授粉之前)、授粉时间在上午7~8时,杂交成活率高,而去雄后次日早晨授粉与同时授粉对成活率影响较小,但前者杂交荚
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