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防虫网对西瓜主要害虫黄守瓜、菜青虫的控制效果为100%,蚜虫的控制效果为80%。并明显改善小气候环境。网棚内西瓜叶片叶绿素含量比网外高5.46%-7.15%;单株叶面积比网外高11.9%-18%;可溶性固形物含量比网外高4.5%-5.9%;防虫网内1hm2产量比网外高4710kg。
Insect net watermelon main pests Huang Shougu, cabbage worm control effect of 100%, aphid control effect of 80%. And significantly improve the microclimate environment. The content of chlorophyll in watermelon leaves was 5.46% -7.15% higher than that in the net shed, the leaf area per plant was 11.9% -18% higher than that in the net and the content of soluble solids was 4.5% -5.9% 4710kg higher than the net.