苹果树①病虫害防治:除袋后为防治果实内潜伏病菌引发的轮纹烂果病,需喷一次甲基托布津、喷克等内吸杀菌剂,同时喷1次至2次300倍的磷酸二氢钾以促进着色。喷4%农抗120水剂800倍或科生霉素400倍混90%万灵可溶性粉剂5000倍;或4.5%高效氯氰1500倍,防治斑点落叶病、黑斑病、红点病、苹果小卷叶蛾等。②摘袋后喷洒 Apple tree ① pest control: In addition to the bag for the prevention and treatment of lurking rot disease caused by latent bacteria in the fruit, need to spray a thiophanate-methyl, spray and other germicide within the spray, spray 1 to 2 times 300 times the phosphoric acid Potassium dihydrogen to promote coloring. Spraying 4% agar 120 times 800 times or diclofenac 400 times agar 90% agar 50%; or 4.5% chlorothalonil 1500 times, preventing spot deciduous disease, black spot, red dot disease, apple Small leaf roller and so on. ② bag after the spray