According to apple production cycle. A new type of pollution-free apple production plant diseases and insect pests prevention and control technology can be divided into eight times
bud
Control object: 1. Apple rot disease, such as ring spot winter disease 2. Mites, scale insects and other diseases.
Prevention measures: scrape rot decay of Ann 50-100 times 100 times + fluorosilicone azole daub; 4-5 degrees wave beauty lime sulfur mixture qing garden.
Note: in late February remove trap belt, burned; Topdressing urea 0.5 kg/plant.
Flower show red phase
Control object: 1, rot, ring spot; 2, starscream, Jin Wen fine moth, small apple leaf moth.
Prevention and control measures: 5% of the fungus poisonous clear water 100-200 times; 2000 times of 40% chlorpyrifos ec; Coated borax 0.3% 0.4%, suspension of pesticides, prevention and control of the sex lures.
Note: insecticidal lamp hanging to 10 mid to late; Sex lures control to late August; The release of osmia.
Xie Hua after 10-15 days
Control object: 1, the spot defoliate disease, ring spot; 2, small apple leaf moth, aphids aphis starscream, Jin Wen fine moth, small peach budworm.
Prevention and control measures: JiaWei salt 1500 times; Yellow plate.
Note: thin flower thinning, 20 centimeters 1 inflorescence.
Xie Hua after 20 to 25 days
Prevention and control of objects: the ring spot, spot defoliate disease, anthrax, 2, aphids, small apple leaf moth, starscream, peach leaf moth, Jin Wen fine moth.
Prevention and control measures: 500-600 times more than 50% of manganese zinc; 1600 times 2.5% effort; His mite element 2500 times, and love to receive 6000 times as much.
Note: thin flower thinning, 20 centimeters stay the inflorescence, early may topdressing phosphate, potash, 0.5 kg, bagging.
After bagging
Object: control efficacy, spot defoliate disease, ring spot and rot, starscream, aphids, 2 small apple leaf moth, Jin Wen fine moth.
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