shouxian,yingxuanzehuaduoyunchengshuzhan,qiehuazhudesangezhutouduichengwujixing,huaduoxiabudeguataimeiyousunshang,guataishangrongmaoshumishidangdecihuajinxingshoufen,bingzhuyishiyongdangtiankaifang,qiehuafenjiaoduo,huafenyansexianhuangdexionghuajinxingshoufen,yibaozhengshoufenzhiliang。
其次,在上午的9~11點進行授粉,這是因為這時棚內的溫度正處在25℃~30℃的de範fan圍wei之zhi內nei,且qie棚peng內nei的de濕shi度du適shi當dang,雌ci花hua剛gang剛gang開kai放fang,柱zhu頭tou上shang的de黏nian液ye較jiao多duo,容rong易yi將jiang花hua粉fen粘zhan住zhu,從cong而er保bao證zheng授shou粉fen質zhi量liang。如ru果guo菜cai農nong在zai下xia午wu授shou粉fen,雄xiong花hua上shang的de花hua粉fen就jiu會hui逐zhu漸jian衰shuai敗bai變bian褐he,雌ci花hua的de柱zhu頭tou也ye會hui逐zhu漸jian幹gan燥zao,從cong而er導dao致zhi授shou粉fen失shi敗bai,或huo者zhe授shou粉fen不bu良liang,結jie出chu的de果guo實shi為wei畸ji形xing瓜gua。
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