Management of persimmon trees before and after flowering
The management of persimmon trees before and after flowering persimmon trees belong to light-loving crops. Close planting cultivation pays attention to ventilation and light transmission, which is the main measure of high-yield management. Persimmon trees bear axillary buds, so it is very important to remove strong and long branches and strengthen nutrition accumulation of branches and stalks. Pay attention to amino acid coating before flowering, promote flower bud differentiation, overcome big and small years, and promote early hanging fruit is the focus of the work. (1) in view of persimmon branches, paulownia, horn spots, anthrax infectious Chengde disease spots, fruit growers are advised to take the following measures to prevent and control. The main results are as follows: 1. Meinongxin multi-element 1 jin or Si-Ca-mg-K fertilizer 1 jin was applied to each plant to restore healthy growth. 2. When using amino acid coating rod, Ningnanmycin or Beibo can be added. The method is to mix Ningnanmycin or Beibo into 50 times solution and amino acid mixed coating rod. (2) measures to protect flowers and fruits: 1 spray "Yunda whole tree fruit" at 1/3 times + rich road boron 1000 times at intervals of 5 days, spray again. (2) spray "Baofengling" at 1/3 times of bloom + 1000 times of rich boron at intervals of 3mi and 5 days. (3) the plan to prevent corner spot, charcoal bureau and round spot disease after anthesis. 1. Carbendazim 2000 times + rich potassium 800 times + Jinke 1500 times; 2, isobacteria urea 6000 times + Haierfeng 800 times + Zhengshuai 1500 times; 3. Beibo (or Ningnanmycin) 800times + rich potassium 800times + complete victory 1500 times; 4,70% Haili produces 1000 times of thiophanate + 1500 times of Yunda (1500 times) + Kecko 800times; 5. Cuibei 7500 times + rich potassium 800times + Yundaanzhi 1500 times. Spraying Cuibei once can effectively control the occurrence of pathogen infection for 60 days, and spraying on branches can effectively prevent the occurrence of stem rot, charcoal bureau and angular spot disease.
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Foliar topdressing of persimmon after fruiting
Timely fertilization when the transverse diameter of the fruit is 4cm and the fruit size is basically fixed, strong fruit fertilizer and pre-harvest fertilizer are applied, mainly quick-soluble nitrogen, phosphorus and potassium fertilizer, urea 1.5 kilograms, potassium dihydrogen phosphate 0.75 kilograms per tree, or nitrogen, phosphorus and potassium compound fertilizer 1 kilogram, or 1 kilogram after rain.
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Shaping and winter pruning of persimmon trees
Persimmon belongs to light-loving crops. Close planting should pay attention to ventilation and light transmission, which is the main measure of high-yield management. Persimmon results in axillary buds, so it is very important to remove strong long branches and strengthen nutrition accumulation of branches and stalks. It is very important to pay attention to amino acid coating before flowering, promote flower bud differentiation, overcome age, and promote early hanging fruit.
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