Apple Tree June Management Measures

Apple Tree June Management Measures

The purpose of summer pruning and summer pruning is to adjust the tree structure, improve lighting conditions, balance tree growth, and promote vegetative growth to reproductive growth and transformation. There is space for the competition branches, upright branches and over-expanding branches to be twisted or short-cut, and there is no room for sparse elimination. The prosperous saplings are plucked when their tip length reaches about 40 cm. In early June, girdling or circumcision was applied to 4-7-year-old juvenile trees without flowers (Marshal's cultivar only circumcised 1 or 2) to promote flower bud formation. The girdling width is generally about 1/10 of the diameter of the branches. When taking care of the circumcision, do not injure the xylem. After peeling, use a newspaper or a thin film to wrap the edge of the knife to ensure that the ring is fully healed within 25 to 30 days.
Soil and Fertilizer Water Management In June, apple flower bud differentiation period, should pay attention to the use of nitrogen, phosphorus and potassium fertilizers. After the new shoot has been stopped for a long time, the topdressing of compound fertilizer is about 1 kilogram per tree. Large trees with more results can be more. Can be combined with spray spraying 0.3% ~ 0.5% of urea plus 0.3% of potassium dihydrogen phosphate for foliar fertilizer. Saplings have proper water control, and the result is that trees should be suitable for drought resistance to inhibit shoot growth, accumulate nutrients, and promote flower bud differentiation. At the same time pay attention to flood prevention.
Fruit bags are bagged in order to make the fruit surface smooth, bright color, and improve fruit quality.
Pest control After wheat was sprayed for the first time in the previous week, it was sprayed again every 20 to 25 days. In the middle, fungicides such as thiophanate-methyl and carbendazim can be used alternately to prevent diseases such as early defoliation, ringworm, anthrax, and the like. After the rain in early June, 5 tons of phoxim powder was applied underground in the orchard. Spray 5% Nisolut EC in late June. 50% monocrotophos 1000 times liquid, 40% water phosphoramidite 1000 times control pests such as peach borer, red spider, aphid, and gold leaf moth.

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