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果园主要病害有:苹果腐烂病、炭疽病、轮纹病、褐腐病、早期落叶病。果园主要虫害有:桃小食心虫、红蜘蛛、蚜虫、顶梢卷叶蛾、天牛、金龟子、刺蛾。1.发芽前(3月20日至4月初)(1)刮除腐烂病、干腐病、轮纹病疤,然后涂抹灭腐灵或40%福美砷50倍液加50ppm萘乙酸,1:1混合后涂抹。(2)
The main diseases of the orchard are: apple rot disease, anthracnose, ring rot disease, brown rot disease, early deciduous disease. The main pests in the orchard are: peach moth, spider mite, aphids, top tip leaf moths, beetles, beetles, thorn moths. 1. Before germination (March 20 to early April) (1) Scraping the rot disease, dry rot, rot on the rotten grain, and then smear decoloration 40% Fortum arsenic 50 times plus 50ppm naphthalene acetic acid, 1: 1 mixed smear. (2)