The principle of fruit thinning is generally carried out twice in the middle of June. The first time to remove the young fruit around June 20, the second time to determine the fruit in early July. The tree is stronger, the last year's branches are longer, and the more fruit is set, the smaller the amount is. The vigor of the tree is weak, and the last year's branches are shorter, and it has been unable to pick up new branches. The growth habit is different among varieties, which can be done according to fruit setting rate and physiological fruit drop.
Fruit thinning methods Before fruit thinning, according to the tree vigor, fruit setting and fruit setting ability, the tree should be used to control fruit. (1) For Jinsi jujube, it is better to hang 3 to 4 dates for each jujube; for winter jujube, it is better to take 2 to 3 dates for each jujube. The remaining dates should be similar in size. (2) The outer periphery of the canopy includes the skeletal branch tips. Keep the strong ones as much as possible. The weakened tip parts should be completely cleared or left in an appropriate amount.
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