Strong tree is fundamental
"Rotten disease is a spring, and if you weaken it, it will be strong. If you force it, it will die." The farmer said that the fruit tree resists rot disease. Tan Wanhai said that the most thorough and effective way to solve the rot disease is to allow the fruit trees to eat well and drink well, and to develop the weak tree into a moderately dominant tree. The first is the spraying of leaf fertilizer on the tree, the amino acid coating on the trunk, and the biological bacterial fertilizer on the ground to form a three-dimensional full-scale feeding program. The second is to curb Tianniu, Red spider, and cotton leaf to damage the dried leaves of fruit branches, prevent early defoliation, ensure photosynthetic support, smooth digestion, and normal development of tree bronchi. The third is that the weak trees have a large amount of load. They must be reasonably loaded and cannot be overloaded. 4. Always clean the parasites and dead tissue on the branches.
Prevention is the key
Tan Wanhai told reporters that apple tree rot disease has two relative peak periods of disease onset and periods of suspension throughout the year. The first peak period is from March to April. In early March, it is the best time for pre-preserved rot disease. When the rot spot grows into large wheat grains, 300 times love is used (20% fenostramide, a Small packets of 10 grams of water 6 pounds) spray treatment, you can eliminate the lesions. If the lesion grows to black bean particle size, it should be manually removed. From May to June, it was the first stop period, and the germs did not expand. The second peak period is from July to September, and the onset period is lower than the first peak period. Before the fruit sprouts, after bagging, after the deciduous tree main spray Wang Wang + love can (ie, a bottle of 500 grams of water + water 20 kg + love can be 20 grams) to prevent the bacteria infection, pay attention to the non-permeability of the fungicide can not Go to spray.
Treatment is guaranteed
Small and medium wounds were scraped off, and 10 to 25 days after the spraying of the bactericide, two high penetrant bactericides were sprayed continuously. The effect was better and healing was faster. Large wounds, to a pack, two support, three bridges. Rotten wounds are too large, affecting the normal operation of nutrients in fruit trees, it is necessary to accelerate wound healing with mud packs, protect exposed wood from cracking, and not be affected by sunburn and germs. Large wounds close to the ground can be piled up with soil or bagged with fertilizer and soiled up to 10 cm above the wound to ensure that the wounds heal and produce 30% of the regenerative cortex. Bridging can use bridging under the tree or two bridging bridging methods to bridge one or more bridges to make up for damaged feeding channels.
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