How should Yali pear be managed after it is fruited?
How should Yali pear be managed after it is fruited? Please give guidance to Yali pear results, you can refer to the following methods for management: first, fertilizer and water management. This period is the perfect period of flower bud differentiation, and the demand for fertilizer is more urgent, so we should pay close attention to the application of quick-acting fertilizer. According to the size of the tree and the amount of fruit, each plant was topdressing 1.5-3.5 kg of high-nitrogen, low-phosphorus and high-potassium three-element compound fertilizer, foliar spraying 0.3% potassium dihydrogen phosphate solution, or Yongye life element 500-fold solution twice, in order to promote fruit expansion and increase fruit sugar content. Heavy rainfall in the rainy season, we should pay attention to timely discharge of stagnant water, so as not to cause retting roots. Second, hanging branches and supporting branches. Fruit expansion increases the pressure on the fruit branch. In order to prevent the fruit branch from splitting and breaking, the fruit branch should be hoisted with a grass rope or propped up with a bifurcated pole. Third, pest control. At present, it is the rainy season, high temperature and high humidity are conducive to the occurrence and spread of the disease, which should be paid close attention to. 1. Scab. It is a devastating disease of Yali pear. Great efforts should be made to strictly control it. Spray prevention before rain, spray prevention after rain, hit hard in heavy rain, fight every rain. 40% of the main drug DuPont Foxing 10000 times, or can kill 32, 000 times, or 10% difenoconazole 3000 times. two。 Ring disease. Use 80% tebuconazole 5000 times, or 68.75% DuPont Yi Bao 1200-1500 times, or 60% B 1000 times more. 3. Yellow powder bug. Use 10% imidacloprid 2000 times, or 5% acetamiprid 1500 times 4.5% cypermethrin 2500 times. 4. Kang's pink scale. Use 48% chlorpyrifos 1000 times 1500 times 2.5 times kung fu 2000 times. 5. Heart eaters. Use cypermethrin 1000 times 4.5% cypermethrin 1500 times. Click for more pear tree planting techniques click to get more fruit planting techniques
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What should I pay attention to when bagging Yali pears?
What should I pay attention to when bagging Yali pears? Please help to introduce Yali pear bagging should pay attention to the following five points: (1) appropriate retention of fruit. Generally, 20 leaves are needed for each fruit to provide nutrition. (2) bagging immediately after fruit thinning in mid-late May in general northern fruit areas, and should be completed before the first ten days of June. (3) be careful before bagging.
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How to fertilize Yali pear scientifically?
How to fertilize Yali pear scientifically? Please give guidance to pear tree fertilization is generally divided into base fertilizer and topdressing two kinds. Base fertilizer should be applied in early autumn, and the amount of base fertilizer should account for 70% and 80% of the annual fertilizer application. Topdressing should be applied three times a year. The first time was pre-flowering fertilizer, which was applied in the middle of January and 20 kg compound fertilizer per mu. The second time is strong fruit fertilizer, in.
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