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一、裂果的原因 1.果实成熟期久旱而突然下大雨或大水浇灌而引起裂果。 2.葡萄果实喷施或浸催熟药剂乙烯利的浓度过高,或喷的时期过晚。都容易造成裂果和落果。 3.葡萄白粉病危害果实,7月下旬至8月上旬,白粉病重复感染蔓延极快,严重时造成裂果。 二、裂果的防治 1.在浆果着色期如果雨量稀少,土壤出现干旱时,要适当浇水,避免久旱后下大雨或浇大水。
First, the reasons for the split fruit 1 fruit mature drought a long time and suddenly under heavy rain or water irrigation caused by cracking fruit. 2. Grape fruit spraying or dipped ethephon concentration is too high, or spray too late. Are likely to cause cracking and falling fruit. 3. grape powdery mildew endangering fruit, from late July to early August, powdery mildew repeated infections spread extremely fast, causing severe cracking fruit. Second, the control of split fruit 1 in the berry coloring period if the rainfall is scarce, the soil appears drought, watering should be appropriate to avoid heavy rain or pouring floods after a long drought.