Keep these four points in mind in summer apple management
1. Bagging Key points of bagging operation: 1. Before bagging, make sure to prevent insects from entering the bag to ensure that the bag is healthy; 2. The bagging operation is completed within half a month; 3. The fruit bag is sealed to avoid falling and water in order to prevent pests and diseases from entering the fruit bag; 4. The fruit bag should not be close to the fruit to prevent sunburn. 2. Prevent the second physiological fruit drop Need to pay attention to the following situations: 1. Fruit trees are less nutritious in storage; 2. Fruits hang more; 3. Pruning is too heavy; 4. Too much nitrogen fertilizer is used, and new shoots will grow; suggestions: Poor tree vigor and moderate hanging fruit trees: topdressing high-phosphorus and high-potassium fertilizer spirit + bucket fertilizer, the purpose is to promote young fruit development and flower bud differentiation; The tree is vigorous and hanging fruit trees: thin application, gun application of high-phosphorus and high-potassium fertilizer, or leaf spray of phosphorus and potassium foliar fertilizer, promote the differentiation of flower buds of fruit trees; Saplings: Use high-phosphorus and high-potassium water-soluble fertilizer to control shoots and flourishes, and promote flower bud differentiation. Three, branch management For trees that grow too vigorous, they need to be stripped and controlled to prevent nutrient consumption from affecting the flowering of fruit trees. Precautions for girdling: New shoots with a high degree of lignification will not be girdled; varieties that are prone to flower (such as Gala, Red Star, Huang Marshal, etc.) will not be girdled. Four, pest control Attention should be paid to the prevention and control of pests such as small borers, aphids, leaf rollers, scale insects, spider mites, and early leaf fall disease, scab, ring disease, anthracnose, etc., to ensure that the fruit is safely put into the bag. The dosage form of the medicament should also choose water or powder as far as possible. Do not use medicaments containing heavy metals (copper preparations, etc.) to avoid affecting the smoothness of the fruit surface. Disclaimer: Some articles on this website are transferred from the Internet. If the legal rights of a third party are involved, please inform this website for processing. phone Puyang Linshi Medical Supplies Co., Ltd. , https://www.linshimedicals.com