What are the diseases and insect pests of jasmine?
What are the diseases and insect pests of jasmine? Please introduce the diseases and insect pests of jasmine as follows: 1, disease ① brown spot, cut off diseased leaves and diseased branches in time, spray 80% mancozeb wettable powder 500-700 times, or 80% mancozeb wettable powder 400-600 times, spray every 10-15 days, 3-5 times continuously. When spraying, it should be sprayed evenly on both sides of the blade. ② white silk disease was sprayed 1000 times in the base of the plant and the surrounding soil at the initial stage of the disease, and then sprayed again after 7-10 days. After that, 1000-fold solution of 70% thiophanate wettable powder, or 1000-fold solution of carbendazim, or 3000-fold solution of Luheng No. 1, or Luheng No. 2 were used to irrigate the rhizosphere soil to restrain the spread of the disease. After the seriously diseased plants are removed, the acupoints can be irrigated with 500 times of 50% Dysenamine water agent, or the disease points can be sprinkled with lime powder to disinfect the soil. Potted plants can be changed in time, and the cultivated soil (potted soil) and plants should be disinfected with 3000 times liquid of Luheng No.1. After putting on the pot, the site should be changed, and the pot plants should be maintained in a place with plenty of sunshine and air circulation. ③ anthracnose, timely removal of diseased leaves, diseased tips and destruction, foliar spraying 75% chlorothalonil wettable powder 1000 times, 12% green copper EC 600,800 times, 70% methyl thiophanate wettable powder 1000 times, 60% anthrax Fumei wettable powder 800 times, etc., choose one or more kinds of alternate use, spray every 5-7 days, spray 4-6 times according to the disease. 2. The insect pest ① leaf borer was sprayed with 1500-2000 times of dichlorvos emulsion or 1000 times of trichlorfon at the initial stage of larval occurrence. ② red spider can be sprayed with 3000 times of Nisolang emulsion, 1500-2000 times of omethoate emulsion, 2000 times of 73% paracetamol EC, etc., and two or more agents are used alternately every 5 days or so. ③ aphids can be sprayed with 3000 times of 50% aldicarb (aphid mist) wettable powder or 10000-20000 times of imidacloprid wettable powder. ④ scale insects can be brushed off manually, or sprayed with neutral detergent to water 150x liquid and 20% ultra-fine wettable powder 1000-1500 times. Click to get more jasmine planting techniques click to get more flower planting techniques
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What are the common diseases and insect pests of jasmine?
What are the common diseases and insect pests of jasmine? Please introduce the main diseases and control methods of jasmine during the growth period as follows: first, stem rot: the disease occurs at the base of the stem, the initial spot is brown spot, watery. The plaque expands longitudinally into stripes. The edge is dark brown, the inside is grayish brown, the tissue of the disease class in the later stage is rotten and split vertically, and.
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What is Bai Ling mushroom random bud, how should prevent and cure?
What is Bai Ling mushroom random bud, how should prevent and cure? Please give the introduction and control methods of Pleurotus ostreatus, that is, it does not show normal buds at both ends of the bag, but appears in the middle of the bag, which has a great impact on the yield. The following four points can effectively prevent the emergence of buds in Pleurotus ostreatus: first, the packing of bacteria bags should be standardized. Try to be as good as possible.
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