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玉米雌穗总粒数在抽丝后18d决定;败育粒在抽丝后8-28d决定;抽丝后3-4d内抽出花丝的,基本上能成为有效粒。高产栽培时,措施及气候因素对晚败粒及雌穗中下部败育粒的影响显著。
The total number of maize ears in the spinning 18d after the decision; aborted grain 8-28d after spinning decisions; 3-4d after drawing the filament, basically can become effective tablets. High-yielding cultivation, the measures and climate factors on late grapes and mid-lower part of the ears of abortion grain significant effect.