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1.清园 有很多的果树病虫,如叶蝉、卷叶蛾、潜叶蛾、锈壁虱、红蜘蛛等以及叶斑病、轮纹病、炭疽病、腐烂病、锈病等病原菌,均在园内枯枝落叶和杂草中越冬。如将这些枯枝落叶和杂草彻底进行清理,集中带出园外烧毁或深埋,对防治这些病虫害有重大意义。 2.深翻 蝼蛄、金龟子(蛴螬)、金针虫、地老虎等地下害虫,冬季均生活在土中;桃小食心虫、尺蠖、蚜虫等害虫喜欢钻地缝、杂草内产卵或以蛹、幼虫等形态越冬。宜在土壤封冻前或早春深翻园地,刨松树盘,把害虫翻至地面冻死或被鸟类啄食。如再浇一次封冻水,对闷死越冬虫卵、幼虫和蛹效果更好。此外,深翻还可将土壤表面带
1. Qingyuan a lot of fruit pests, such as leafhoppers, leaf roller moths, leaf moths, rust ticks, spider mites and leaf spot, ring rot disease, anthracnose, rot disease, rust and other pathogens are in the park Within the litter and weeds in the winter. If these litters and weeds are completely cleaned up, they will be brought to the outside to be burned out or buried deeply, which is of great significance for the prevention and control of these diseases and pests. 2. deep turn 蝼 蛄, beetles (蛴 螬), insects, land tigers and other underground pests, winter are living in the soil; Peach beetle, rude 蠖, aphids and other pests like to drill through the seams, weeds lay eggs or pupae, Larvae and other forms of winter. Should soil before freezing or early spring deep turn the park, planing pine disc, the pests turn to the ground frozen or pecked by birds. If again pour frozen water, suffocating overwintering eggs, larvae and pupae better. In addition, deep plowing can also bring soil surface straps