Vegetables covered anti insect net, basically can be exempted from Pieris rapae, Plutella xylostella, and other pests. According to the test, insect net control of cabbage caterpillar, diamondback moth control effect can achieve 94 - 97%, control efficacy against aphids was 90%.
Virus disease is a variety of vegetables on the catastrophic disease, mainly by insects, especially aphids. As insect nets cut off the main transmission pathways, therefore, greatly reduce the infection of vegetable viruses, control effect is about 80%.
In addition, anti fly nets can adjust the temperature, soil temperature and humidity, experiments show that: in the hot July or August, the temperature in the morning and evening was flat with the open field, while the sunny day is lower than the open field. Pest control network can reduce the indoor precipitation, sunny can reduce the indoor evaporation.