In recent days, even the rainy weather has had an adverse effect on the growth of peppers. If it is improperly managed, it will cause the falling of the peppers and the serious occurrence of diseases and insect pests, which will affect the yield and quality of the peppers. Therefore, it is necessary to strengthen management and focus on the following points in the management:
I. Exclude water in the fields
Peppers are not tolerant to drought and are more resistant to earthworms. Even after rain or heavy rain, such as the accumulation of water in the field, they can easily cause oxygen deficiency in plant roots and water damage. Therefore, when there is accumulated water in the field, it is discharged in time to maintain good permeability of the root system and ensure normal growth of the pepper.
Second, cropping
Through cultivating, breaking soil compaction, improving soil ventilation, reducing soil moisture, promoting the development of pepper roots, and creating a more suitable soil environment for pepper growth. The cultivator should be close to the roots and deep in the rows to avoid injury. The cultivator also has the effect of eliminating weeds and disinfecting the soil.
Third, reasonable pruning
When pruning pepper, keep the main culm and 2-3 lateral branches, the lower axillary buds should be wiped out, and cut the internal litchi, old and sick branches, remove the old leaves, diseased leaves, to improve ventilation and light conditions in the field to promote the upper Branch growth and fruit elongation and enlargement. At the same time pay attention to earth and promote new roots.
Fourth, control of stems and leaves
Even the rainy weather can easily cause peppers to grow in length. For pepper plants with overgrown vegetative growth, luxuriant stems and leaves, and rare flowers and pods, plant growth regulators such as paclobutrazol, chlormequat, or chlorpyrifos can be used to control the growth of stems and leaves. Inhibits vegetative growth, promotes reproductive growth and ensures more than one flower.
Fifth, foliar fertilizer
Insufficient sunshine during rainy weather, less nutrients produced by plants, and reduced ability to absorb nutrients in roots. Therefore, the use of rainy weather without rainy gaps, foliar fertilizer, spraying 0.5% -1% urea plus 0.3% potassium dihydrogen phosphate plus 0.2% borax aqueous solution, to supplement the nutritional deficiency of pepper, and promote growth.
Sixth, early fertilizer
There are two peaks of growth in the whole growth period of peppers. After the first spikes are seated, they reach the peak of the first result. Since high temperatures in summer will inhibit the results, there will be a brief period of vigorous vegetative growth, followed by a decrease in temperature. The peak of reproductive growth occurred and the second peak appeared. Topdressing should focus on ensuring nutrient supply at the peak of the second result, and no top-dressing or top-dressing should be performed once. In the early flowering period of the pepper, 10-15 kilograms of N, P and K compound fertilizers are topdressed; in the full fruit period of the pepper, the compound fertilizer with the main components of phosphorus and potassium is topped with 15-20 kilograms.
VII. Strengthening pest control
At present, the temperature is high and the humidity is high, which can easily cause diseases such as epidemics, soft rot, scab, anthrax, viral diseases, and aphids. According to the occurrence of pests and diseases, pesticides should be used to prevent and control roads. 58% metalaxyl MnZn wettable powder 500 times or 64% antivirus 600 times liquid or 50% mancozeb wettable powder 600 times liquid spray control; soft rot, scab with agricultural streptomycin And Nongda 120 spray control; anthrax with 80% mancozeb 600 times spray control; virus disease with 20% hydrochloric acid moroxydine copper 500 times spray control; aphid can be used 10% imidacloprid WP 1500 times Liquid, 3% acetamiprid EC 2000 times or 4.5% beta-cypermethrin 1000 times spray control.
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