Without using pesticides, pests on vegetables can be eliminated, and hormone spray can also be used to pollinate fruits and vegetables in greenhouses. The industrialized production technology and application of natural enemies of vegetable pests that have been successfully researched a few days ago have made this wish of the majority of farmers a reality. This natural enemies biological control technology was successfully researched by the Hebei Academy of Agricultural Sciences and has advanced international standards. This scientific research achievement addresses the main pests of vegetables in China and proposes the use of artificial reproductive parasitic and predatory natural enemy insects (Hymenoptera: Trichogramma, T. chinensis, P. citri, etc.) to replace vegetable pesticides against chemical pesticides. Series technology. Using this result, the Trichogramma chilonis, Aphidoptera, and the cinerea nematodes in the greenhouse were released. The average parasitism rate was above 85%, and they were effective in controlling lepidopteran pests, greenhouse whiteflies, and whiteflies. A variety of aphids; the use of artificial breeding bumblebee pollination can improve the yield of 30% of vegetables, and can avoid the use of hormones caused by pollution and fruit deformities, very popular among farmers.
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