For fruit selection, select the secondary branches of the jujube in the young fruit stage (string-shaped results) for bagging.
Spray the fungicide 1-2 times before bagging the fungicide, and spray the fungicide and bacteria-killing fungicide once, and then spray once more every 10 days.
Before fruit thinning, remove diseased fruit, insect fruit and stunted small fruit before bagging.
Open the "U"-shaped fruit bag with a length × width of 7800 mm × 550 mm or a length × width of 6500 mm × 550 mm (stretch the bag as round as possible), and pull it from the lower part of the second branch in the result Go to the second branch (new branch of the year), and fix the fruit bag on the second branch with the tie on the fruit bag.
Bagging time for jujube orchards with separate prevention and control of cracked fruit should be carried out during the white maturity period or before the rainy season; for jujube orchards for comprehensive prevention and control of cracked fruit and black spot disease should be carried out 10 days before the white ripening period or when the longitudinal diameter of the young fruit reached 2 to 3 cm. , The best period of bagging is about 20 days. If the bagging time of jujube orchards for the comprehensive prevention and control of cracking and black spot disease is not mastered, the effect of preventing and controlling black spot disease will be poor.
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