一、有you花hua無wu瓜gua的de原yuan因yin。有you的de農nong戶hu種zhong的de黃huang瓜gua隻zhi見jian開kai花hua,不bu見jian結jie瓜gua。究jiu其qi原yuan因yin主zhu要yao是shi由you於yu黃huang瓜gua植zhi株zhu體ti內nei細xi胞bao分fen裂lie失shi調tiao,導dao致zhi隻zhi開kai雄xiong花hua而er不bu開kai雌ci花hua,這zhe樣yang就jiu難nan以yi結jie瓜gua。當黃瓜植株枝葉藤蔓發育粗壯,就能增強其分蘖發叉能力,雌、xionghuayecainengzaitongzhutishangjunyundikaifang。ruohuangguazhizhuzaishengchangguochengzhongtengmanshitiaofengchang,jiuhuipohuaihuangguazhizhutidefenzhinengli,congerdaozhizhizhuzhikaixionghuabukaicihua,huozhizaimanshaochukaifeichangyouxiandejiduocihua。zheyanghuiyanzhongyingxianghuangguadechanliangheshouyi。
二、有you花hua無wu瓜gua的de防fang治zhi。防fang治zhi黃huang瓜gua植zhi株zhu隻zhi開kai雄xiong花hua不bu開kai雌ci花hua而er造zao成cheng不bu結jie瓜gua的de要yao點dian,就jiu是shi要yao嚴yan格ge控kong製zhi瓜gua蔓man瘋feng長chang,保bao證zheng黃huang瓜gua植zhi株zhu體ti生sheng長chang粗cu大da健jian壯zhuang,以yi增zeng強qiang黃huang瓜gua植zhi株zhu體ti“節外生枝”和雌、雄花同開的能力。具體方法為:當黃瓜植株長出4片以上真葉、瓜蔓長出約30-40厘米長時,每畝地用植物生長調節劑乙烯利萬分之三的稀釋液,或奈乙酸、三十烷醇5-10克,或助長素10克(上述藥劑任選一種即可),然後對水50-70公斤並攪勻,在黃瓜植株上均勻噴施1-2次,即可有效解決黃瓜因隻開雄花而引發的“不育症”問題。
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