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1.化瓜现象多在低温季节设施栽培的西瓜上出现,对采收期和产量影响较大。表现为带花的子房和较小的幼瓜生长停滞,幼瓜表皮褪色,由顶部开始逐渐枯黄、干瘪、萎缩,直至干枯或脱落。这种化瓜现象,可导致头批西瓜早期产量下降35%~50%,上市期推迟。2.化瓜原因(1)营养生长与生殖生长不协调由于整蔓不合理,或水分和温度管理不善,“促”与“控”关系不协调,植株茎
1. melon phenomenon and more in the cultivation of cold watermelon season on the emergence of watermelon, harvested on the yield and greater impact. The performance of the flowers with the ovary and the smaller growth of cucumber stagnant, cucumber epidermis faded from the top began to gradually yellow, shriveled, atrophy, until dry or fall off. This melon phenomenon, can lead to the first batch of watermelon early production fell 35% to 50%, the listing period postponed. 2. The melon causes (1) vegetative and reproductive growth is not coordinated As the whole manor irrational, or poor water and temperature management, “to ” and “control ” uncoordinated relationship, plant stems