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When choosing planting, we should pay attention to the quality control, remove the branches and leaves in time when there are pests and diseases, spray some pesticides and insecticides, pay attention to the environmental sanitation in the garden, timely drainage after rain, and pay attention to ventilation.
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Pesticides can be sprayed, and sufficient light time needs to be ensured, and the wolfberry tree should be properly supplemented with nutrients to resist pests from itself.
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We should spray fungicides, spraying Bordeaux solution at the beginning of the disease, or 50% carbendazim 1000 times the solution.
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At the beginning of the disease, fungicides, Bordeaux solution or 50% carbendazim 1000 times should be sprayed.
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Diseases and pests of wolfberry and its control.
1. Lycium berry black fruit disease occurs from May to August, harming green fruits, flower buds and flowers. After the onset of the disease, the fruit appears with brown lesions. Prevention and control measures:
Ditch drainage and remove diseased fruits. The fruiting period is 1:1:
100 Bordeaux liquid spray, spray 600 times of 50% antibacterial special wettable powder immediately after rain.
2. Root rot occurs in late June and is more serious from July to August. At first, the roots are blackened and gradually decay, and then the aboveground parts wither and the whole plant dies. Prevention and control measures:Water the roots with 1000-1500 times of 50% methyl tobuzin or 1000-1500 times of 50% carbendazim.
3. Fruit flies mainly harm young fruits, 2-3 generations in 1 year, and their pupae overwinter in the soil. Prevention and control measures: with 80% dichlorvos emulsifiable concentrate 1000 times or 40% dimethoate emulsifiable concentrate 1500 times, spray 1 time every 7-10 days, spray 3-4 times, can also use poisonous soil to kill the adults in the initial feather or manually remove maggots.
Fourth, wolfberry aphids harm young shoots, leaves, and young fruits. Occurs in 1 year for multiple generations. The most serious damage is from late May to mid-July. Prevention and control measures: 2000 times of 40% dimethoate emulsion, spray once every 7-10 days, and spray 3 times in a row.
5. Goji gall disease for more than 1 year. Adults begin to lay eggs in mid-to-late April, and then the larvae invade the tissues, causing the tissues to become deformed, turning into blue-black mole-like galls. The following year, the new shoots were harmed.
Prevention and control measures: In the early stage of occurrence, spray with 1500-2000 times of 40% dimethoate emulsion.
Sixth, wolfberry negative mudworm adults, larvae harm young leaves, serious can be completely eaten up. Three generations occur in one year, and the most harmful is from June to July. Prevention and control measures:
From July to August, spray 1500-2000 times of 40% dimethoate EC or 1500 times of 80% dichlorvos EC, spray 1 time every 7-10 days, and spray 3-5 times.
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When the new shoots of wolfberry grow, the beetle like the goldenrod insect often occurs, bites the new leaves and pulls the feces, which seriously affects the growth of the large-leaved wolfberry, and it is advisable to spray insecticides in spring when the wolfberry has just sprouted, spray 1 time every 10 days, spray 3 or 4 times in a row, and strictly prevent the pest from laying eggs on the bud tip.
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