How to Control Strawberry Fusarium Wilt
Prevention and control methods: 1. Seedlings should be quarantined, disease-free nurseries should be established, seedlings should be sterilized and disinfected by tree protection generals in time before transplanting, disease sources should be reduced and rotation should be carried out; 2. Disease-resistant varieties should be used to remove diseased plants and burn them in time. Disinfect the disease points with quicklime or 500-fold liquid 3. Strengthen the management, timely spray Zhuangtiiling strong pollen fertilization quality during the flowering and fruiting period of strawberries, have a strong cyclic fruit setting rate, promote fruit development, no deformities, no empty shells, no blighted grains, good uniformity, improved quality, and continuous high yield of vegetables and fruits. 4. Chemical control: starting from the middle of June, 50% carbendazim wettable powder 600 times 700 times liquid plus new high fat film 800 times liquid, or 70% mancozeb 500 times solution plus new high fat film 800 times liquid, once every 15 days, a total of 5 times for 6 times. Soak the seedlings with 300 × 500-fold solution of 20% methyl topiramate and 500-fold solution of new high-fat membrane for 5 minutes before planting, or use the solution to protect the roots of tree generals and sterilize them.
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Postharvest management of apple trees
The leaves of apple trees basically finished before late September, and the organic nutrition accumulation of early deciduous fruit trees decreased significantly, which affected the late differentiation of flower buds and the flowering and fruit setting of next year, and had an adverse effect on the overwintering of fruit trees. rot and early defoliation disease will also aggravate. In order to reduce losses, winter and spring should focus on some remedial work.
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There is a knack for preventing strawberry deformities
1. The flowering period of strawberries cultivated in protected areas is early, and there are few early flower-visiting insects, so bees can be reared in the shed when the first batch of buds are formed. 2-3 boxes of bees are kept in each standard shed, and the beehives are evenly placed around the shed. The pollination rate can be more than 95%, and the bee release time is 8: 00 a.m. and 3: 04 p.m.
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