September Jujube Garden Cognac Work

In September, the jujube fruit enters the coloring period and gradually matures. This is also an important period before harvest. Management must relax.

1. Disease prevention and control. The main diseases in this period include rust, ringworm disease, anthrax, black rot, fruit rot, and fruit nectar. You can choose Longmeng Fulian (ectrazole carbendazim) and Boqing Zaozao (Diclofenac).醌), Taisheng (Manson manganese zinc), thiophanate-methyl (thiophanate-methyl), agricultural streptomycin, etc. to control, generally need to control twice, sprayed before picking fruit 7 to 10 days best , to prevent the fruit from harvesting and harvesting caused a lot of fruit.

2. Pest control. During this period, the weather turns cold, and it is necessary to flexibly determine whether it is necessary to continue spraying control according to the occurrence of pests. Insect pests mainly include peach borer, green-letter locust, American white moth, and giant bridge worm, and may choose top brachyne (chlorpyrifos), shandan (endosulfan), Haodandan (toxic xinxin), Tianlongbao (cypermethrin), Accelerated (Mordovir), Azide, etc. were used for prevention and treatment. It is important to note that pesticides with low toxicity and low residual pesticide must be used for spraying in the harvest period.

3. Leaf spray fertilizer. Adding 0.3% urea and 0.5% potassium dihydrogen phosphate solution or spraying dragon's mandarin from 1000 to 2000 times for foliar spraying can promote the enlargement and coloration of jujube fruit, improve the photosynthetic function of the later leaves, and increase the body weight. The accumulation of nutrients and vigor will lay a foundation for the high yield of jujube trees in the coming year.

4. Anti cracking fruit. A 0.2% to 0.3% solution of calcium nitrate or calcium chloride is sprayed once every 10 to 15 days.

5. Pick up falling wind dates. Falling wind falling on the ground, some with bacteria, some with pests, to pick up and clean up in time, to take out of the park buried deep treatment, prevention and control caused secondary hazards.

6. Base fertilizer. Due to better soil moisture conditions this year, basal fertilization can be applied during the ripening period and before harvest. Basal fertilizer was the best during this period, and the leaves still had high photosynthetic function. The sunlight was sufficient, the autumn was warm, the temperature difference between day and night was relatively large, and the fertilizer had a long time to decompose in the soil, which was conducive to the accumulation of organic nutrients.

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