Through observations in recent years, the author found that the death of pepper pods generally began to occur from the month of March, and greenhouses and open field peppers can occur. In mid-May to late June and mid-June, the epidemic period was high. According to the investigation and analysis, the death caused by various diseases is caused by the infection of various diseases. In the same period, many diseases can be found in the same plot. These diseases include: disease, bacterial wilt, root rot, and white peony disease. In addition, the cause of death caused by pepper fusarium wilt and due to excessive fertilization caused by burning roots and other physiological diseases. According to the law of the death of dead feces and absorbing advanced management experience in the field, through comparative tests of pharmaceuticals, we have formulated a set of effective comprehensive measures to prevent death of Chili peppers. 1. Take comprehensive agricultural control measures to reduce the amount of bacteria in the soil. Conditional plots are required to avoid continuous cropping with Solanaceae, melons, etc., and to implement dry crop rotation. 2 To promote lime in vegetable fields, disinfect soil and adjust soil pH. In general, 75-100 kg of lime is applied per 667 square meters (1 mu). The interval between lime application depends on the specific plot, and it is usually applied every 1 year. 3 Adopt advanced protection cultivation measures such as nutrition seedlings and plastic film covering to reduce the chance of pathogen infestation, and adopt a series of agronomic measures such as timely planting, cultivating strong seedlings, timely transplanting, deep ditch sorghum, rational fertilization, and scientific management. Pepper's own resistance to disease. 4 Select a crossbreeding seed that is resistant to disease and high yield, and conduct seed treatment. Xiangyan No. 19, Xiangyan No. 21, Hangzhou Jijiao Jilin Changjiao, Hongza No. 5 and other varieties can be used. Seed treatment can be soaked in warm soup. 2. Soil disinfection can be carried out in three steps: first step seed bed disinfection. Select the vegetable garden soil that was not the eggplant or melon before making the bed soil. According to four kinds of diseases that are prone to occur: epidemic disease, bacterial wilt, root rot, and white peony disease, BPH, Mn, Zn, and thiophanate-methyl were used as disinfectants. Use 8 grams of the above agents per square meter of nursery bed, add 100 times the amount of fine dry soil and mix well, and then mix well with 30 times the amount of soil on the soil, take 1/3 of the soil and cover the bottom. After the remaining 2/3 over the seeds. Generally, every 667 square meters of Daejeon Pepper needs a seedbed of 10 square meters, and 80 grams of each of the above agents is required. The second step is seed bed disinfection. Using the same agent, generally, every 667 square meters of Daejeon's pepper needs to be divided into seedbeds of 30 square meters. Calculated on the basis of 5 grams per square meter of seedbed, 150 grams of each of the above-mentioned medicaments should be used, and a total of 45 kilograms of fine dry soil should be added at a dose of 100 times. After even, spread evenly on the seedling bed, and then mix it with the seed bed with 10 cm bed soil and transfer the pepper seedlings. If the use of nutrition seedlings nursery, can be used directly dry soil and 30 times the nutritious soil mix about 1300 kg directly installed. The third step empty planting hole disinfection. The same agent can also be used. The general dosage is 500 grams for each 1000 strains of the above 3 agents, and a total of 150 kilograms of fine dry soil with a dose of 100 times. Mix well and apply directly to the planting hole to disinfect. 3. After the above-mentioned measures have been taken, if there are still dead peppers, it is necessary to use medicines to irrigate the roots. The cause of death was first analyzed, and then the agent was selected for the cause, for example, 500 mg of aluminum phosphonium aluminum manganese zinc, 500 times of metalaxyl manganese zinc, and 600 times of DT500 or green copper for controlling bacterial wilt. Liquid, control root rot and white tinea citric acid with 700 times or 500 times. Focus on prevention and control center peripheries and surrounding peppers, on average 200-300 grams of liquid per plant, 7-10 days medication 1, do not water during the medication. Continuously irrigating 2-3 times can basically control the occurrence of dead pods in pepper.
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