Spring is the best time for controlling diseases and pests of fruit trees. In this period, it is necessary not only to make nutritional supplements, but also to prepare for the fruiting of fruit trees. At the same time, pest and disease prevention and control work must be done to lay a foundation for high yields.
First, handle the disease tree
The diseased branches and rotted roots were cut off and coated with compound carbendazim and mancozeb. Clean up the dead trees, clean up the trees that have died from the disease, and clean up the tree hole soil. At the same time, expand the hole to 100 square centimeters, 60 centimeters deep, fill in 20 centimeters of soil miscellaneous fertilizer, and 20 centimeters of new soil to prepare for the coming year. Replant trees. Examine the dried fruit branches and remove the eggs from the dried fruit branches.
Second, tree pruning and shaping
The inner bud, back branch and cross branch without flower buds are cut off from the root (after cutting and painting is dry and shrink-proof), and after the fruit is picked, the summer trimmer is cut, and the inner fistula and the back branch that need not to be left are removed.
Third, pay attention to watering
Spraying medicine combined with spring fertilization, poured water on the orchard. Before flowering, pour it again every other month to ease the drought and reduce the temperature so as to delay the flowering time of fruit trees. At the same time, it is necessary to spray 5 degrees lime sulfur in time to disinfect the trees. By “whiteningâ€, the temperature of the tree is delayed, so as to delay the flowering time, so that the flowering fruit trees can be in a more suitable pollination temperature environment, thereby increasing the fruit setting rate.
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