Kiwifruit Cultivation Techniques: How to Prevent Kiwifruit Sunburn?
How to prevent kiwifruit sunburn? Please advise on methods. For kiwifruit sunburn, you can refer to the following methods for prevention: 1. Summer pruning: leave 2-3 more leaves above the topmost fruit to block direct sunlight; especially for Hayward and Jintao, more leaves should be left; 2. If conditions permit, spray water once every few days in the morning and evening, or prepare a 400-fold solution of Guoyou amino acids, which lowers the orchard temperature and quickly supplies nutrients; ...
How to prevent kiwifruit sunburn? Please advise on methods.
For kiwifruit sunburn, you can refer to the following methods for prevention:
1. Summer pruning: leave 2-3 more leaves above the topmost fruit to block direct sunlight; especially for Hayward and Jintao, more leaves should be left;
2. If conditions permit, spray water once every few days in the morning and evening, or prepare a 400-fold solution of Guoyou amino acids, which lowers the orchard temperature and quickly supplies nutrients;
3. Orchard mulching: wheat bran or wheat straw can be used as mulch. For example, Zhangjiangcheng Orchard in Mei County directly mulches between rows to reduce soil moisture evaporation;
4. For bagged fruit, open the ventilation holes; if the holes are small, they can be slightly enlarged to use ventilation to lower the temperature inside the bag, generally by 1-2 degrees.
5. For kiwifruit orchards that have not been given fruit-swelling fertilizer, increase potassium fertilizer or spray calcium lactate foliar fertilizer. Calcium can make the outer skin cells of the fruit stronger and more flexible and increase cell wall thickness, so as to resist sunburn or damage.
6. For fruit exposed to western sunlight, hang grass on the fruit or at the western exposure site, or use newspaper to create shade, reducing direct burning of fruit exposed to western sunlight.
7. Irrigate promptly during drought to lower the overall orchard temperature and reduce the occurrence of sunburn.
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