Fruit Tree Current Management Technical Guidance
Due to the continuous high temperature in the previous period and no effective rainfall, the drought in most of the orchards was aggravated, which should arouse enough attention from the technicians and farmers. In the near future, the control of anthracnose, ringworm, brown spot, and leaf-eating pests should also be the focus of orchard disease management.
Cultivation advice
1. Autumn basal fertilization: With the arrival of the third peak of root growth of fruit trees, autumn basal fertilization is of utmost importance. Fertilizers are mainly organic fertilizers, combined with basal fertilizers, and a certain amount of full-price compound fertilizer is added.
2. Irrigation: According to weather conditions and fruit tree production needs combined with autumn Shi Jifei timely irrigation, the fruit is not harvested, pay attention not to flood irrigation, control cracking.
3, late-maturing Fuji do a good job in taking paper bags, picking leaves, transfer fruit, shop reflective film preparation, bag taking time according to the weather conditions, when the temperature difference, the humidity is right when the bag to avoid the high temperature at noon to prevent the burning.
4. Shut down the orchard in a timely manner and open the light path to promote coloring.
5. Management of new planting and sapling trees: In order to ease tree vigor and balance growth, on the basis of pulling branches in spring and summer, continue to pull branches and angles for various types of branches with small angles. To promote the growth of branches full and robust, at the same time, in conjunction with top dressing, timely replenishment, fat supplement.
Plant protection measures
(a) manual control
Regular inspections of orchards, artificial removal of diseased shoots, diseased fruit, and destruction of orchards; timely removal of rot lesions, smearing of chemical protection; artificial indentation of wormholes, filling in medicine signs, cotton wool, etc.
(II) Chemical Control
1, Apple
(1) Prevention and treatment time: before harvesting
Targets for prevention and control: Anthrax, ringworm, anthracnose leaf blight, brown spot, coal contamination, and leaf insects.
Prevention opinion: fungicides: 43% tebuconazole 3000 times +70% thiophanate-methyl 700 times; insecticides: 5.7% amphoteric salt 5000 times.
Pear
(1) Control time: After harvesting
Control objects: pear scab, pear anthracnose, brown spot, and leaf insects.
Prevention advice: Bordeaux mixture 1:3:240. Severe round blobs in leaf insects should be specifically controlled.
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