The application of apple buds is very important. First, it can effectively reduce the number of pests and diseases in the whole year and the cost of prevention and control. Second, it can prevent the flowering period from falling into cold. Third, it can supplement the flowering period and promote flowering and fruit setting. However, the young leaves in this period have not yet fully developed, and the drug resistance is poor. When using the drug, it is necessary to pay attention to the scientific and reasonable concentration of the drug solution.
In this period, we will focus on eradicating fruit tree rot disease, ring rot disease, mildew disease, early deciduous disease, and black pox pathogen. It can be controlled by DuPont Fuxing. The drug is resistant to rain erosion and has good control effect. 25 ml per bottle, 200 for water. In kilograms, you can spray 1 mu of land.
In this period, the insect control should focus on eliminating the wintering red spider eggs and a few hatching larvae. The spraying agent is: 5% Nissole emulsifiable concentrate, 200 ml per bottle, 400 kg of water, and can spray 2 mu of land. Followed by young leafworms such as leaf-rolling leafworm, gold-grained moth, and boat-shaped caterpillar, they can spray chlorpyrifos, 250 ml per bottle, 400 kg of water, and spray 2 mu of land.
Preventing flowering, pouring cold, spraying antifreeze, loving more than 6000 times liquid or protecting 8000 ~ 10000 times liquid, can effectively prevent the cold damage.
Supplementing flowering nutrition and promoting flowering fruit-boring boron is one of the 16 nutrient elements necessary for fruit tree growth and development, which can promote flower bud pollination and fertilization, avoiding “flowers and not real†or “real but not fruitâ€. 100 grams, 200 kilograms of water.
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