Analysis of routine medications
1. The conventional management is mostly treated in the whole garden. Few special treatments are applied to the fruits. In the late stage, various fruit problems such as gray mold, white rot, anthracnose and sour rot are obviously frequent;
2, the agents used are generally based on powder, water dispersion and other conventional dosage forms, large granularity, poor dispersion, serious pollution of leaves and fruit surface;
3. There is no effective way to distinguish between leaf disease and fruit disease prevention. To achieve ideal control effect, it is often necessary to increase the amount of drug used and the number of drugs used, and the cost of prevention is high and uneconomical.
Program:
1, the whole garden treatment, heavy spray ear: rich standard 2000 times + 1500 times + add rice + above ground, the whole garden spray together with the ground, focus on spraying the ear, easy to penetrate the medicine, completely remove the bacteria on the ear, After the grapes are bagged, they are in a sterile environment, reducing the incidence of late onset.
2, bagging and ear treatment: bagging and rest assured that each group is 30 kg of water, after 4 o'clock in the afternoon, the fruit is treated;
Need to pay attention to the grape bagging process
1. It is not recommended to use the bag combination and the swelling agent together.
2. After bagging, after spraying the pesticide for 7-10 days, you can spray the Bordeaux mixture in the whole garden. Pay attention to the high-humidity weather.
Reminder: Before bagging, it is necessary to do a good job of grape fruit thinning. The ear is too tight, the fruit is too dense, it is easy to cause the medicine to be impenetrable, the ventilation and ventilation are too bad, and it is easy to cause crack, gray mold and acid rot in the later stage.
3, try to choose water dosage form or water emulsion, suspension medicine, less water to disperse granules, wettable powder;
4. After spraying the medicine, shake the wire and let the drops of the medicine on the fruit pieces fall to prevent the formation of drug spots.
5. Before bagging, use the medicine dipping bag mouth
Before bagging, use the fungicide + insecticide (preventing scale insects) to soak the bag mouth to prevent the bacteria and insects from entering the bag and harm the fruit. After the drug solution is slightly dried, it can be bagged.
6. When bagging, the bag mouth must be tight
When bagging, the bag mouth must be tight to prevent rain, germs and insects from entering, and prevent various diseases and insect pests.
7. After the bag is finished, it must be watered in time.
After bagging, timely watering, watering can be added to rooting liquid fertilizer, borocalcium water soluble fertilizer, the effect of good control of grape day burning.
8, on the time: suddenly cloudy after the rainy days, do not immediately bag, because it will make the sunburn worse. After a day or two, the fruit is slightly adapted to the high temperature environment and then bagged; the bagging time is preferably before 10 am or after 4 pm, which can reduce sunburn.
9. Be careful not to grab the ears and granules by hand, so that the ears naturally reside in the center of the bag; after bagging, gently place the fruit bag under the blade and cover it with leaves to prevent sunburn (you can leave a little next to the flower spike) , 1-2 leaves topping)
10, pay attention to avoid overnight bagging, it is best to dry the front of the liquid, immediately behind the bag. Wet bagging is also not allowed.
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