Jujube fruit bagging anti cracking fruit

The diseases such as fruit cracking, black spot disease, anthracnose disease, and fruit shrinking disease have always been the problems that restrict the development of the jujube industry. In particular, fruit cracking occurs in autumn, often causing heavy losses to the fruit farmers. In recent years, the horticultural research institute of the Shanxi Academy of Agricultural Sciences has developed a technology for integrating anti-crack and disease-prevention techniques that can effectively prevent fruit cracking. The integrated technology takes the date of "multi-fruit bagging" as the core, and uses high light efficiency tree shape, chemical thinning and jujube fruit strings as the main supporting technology.

Select the fruit and select the second branch of the jujube fruit cluster (result) to carry out the bagging.

Spray fungicide on the bag before spraying the fungicide 1 or 2 times, and spray the fungicides to kill fungus and bacteria one at a time, and spray it once more every 10 days or so.

Clear fruit, fruit and stunted fruit before bagging.

Bagging method A "U" type fruit bag having a length and width of 7800 mm (550 mm) or a length and width of 6500 mm (550 mm) was opened (as far as possible) and the secondary branch was pulled from the bottom of the secondary branch in the result set. At the mother branch (new branch of the year), the fruit bag is fixed on the secondary branch mother branch by the tie strips on the fruit bag.

Bagging time The separate control of fruit cracking in the fruit orchard is carried out before the white maturation period or the rainy season; the comprehensive prevention and control of fruit cracking and black spot disease of the date garden is carried out 10 days before the white maturation period or when the young fruit longitudinal development reaches 2 to 3 cm. The best time for bagging is about 20 days. If the integrated control of fruit cracking and black spot disease in the jujube garden bagging time is not good, the effect of prevention and control of black spot disease is poor.

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