Farmers who grow peppers know that peppers are prone to premature aging, a phenomenon that is common in pepper growing. Many farmers think that premature chilling is caused by insufficient fertilization, so it will increase the amount of fertilization, and finally cause chilling of chillies. In fact, the premature aging of pepper is caused by a variety of reasons, according to the actual situation of the pepper to judge, and then the right medicine to solve. Let's take a look at the symptoms, causes and preventive measures of premature aging of pepper.
First, the symptoms of premature chilling
The plants are thin and short, the leaves are small and sparse, the leaves are dull and dull, the fruits are mature and the yield is low. Serious can cause premature death of plants.
Second, the cause of premature chilling
Chilli premature aging is mainly caused by insufficient water and fertilizer stamina, organic malnutrition, extensive management, pest damage and fruit falling.
Third, the prevention and treatment of premature aging of pepper
1, timely pruning
The main role of pruning is to prevent length, reduce nutrient consumption and promote plant multi-results. Practice has proved that the reasonable pruning of pepper can significantly increase its yield.
After the first batch of peppers have been harvested (the pepper meal is already in the rest stage), the 8 branches that grow above the four large branches near the base are cut off. At the same time, it is necessary to strengthen the management of water and fertilizer, which not only can reduce the excessive consumption of nutrients, but also make the four big branches near the base grow good ventilation, reduce the phenomenon of falling flowers and fruit, and increase the yield of pepper. The sweet pepper should be removed in time to remove the pepper and the pepper. Each plant retains 4 result branches, and the extra main branches are cut off.
2, remove the old leaves, yellow leaves
It is necessary to remove the old leaves, dead leaves and diseased leaves in the lower part of the plant in time to prevent the field from being closed. In this way, not only can the plant's nutrient consumption be reduced, but also the plant can prevent premature aging.
3, early harvest
Promote early harvesting of fruits, which can reduce nutrient consumption and prevent premature aging of plants.
4, timely topdressing
This is the key to providing adequate nutrients for plant growth and development and preventing plant senescence. The best time for top dressing is after harvesting the fruit. Generally, it can be combined with irrigation to trace the manure or nitrogen fertilizer or phosphate fertilizer for 3~4 times. Each 667 square meters can be applied with about 20 kilograms of potassium sulfate compound fertilizer, but it is necessary to dissolve the fertilizer in water, and it is not suitable for pits to avoid damage to the roots of the pepper.
5, irrigation and cooling
In the hot summer, irrigation can be carried out according to the weather and soil moisture. When irrigating, water should be poured to prevent the base of the ridge from damaging the roots of the plant.
6, prevention and treatment of pests
For whitefly, aphids, spider mites, and leaf miner, it can be controlled by Akthai 2000 times liquid + ketone or avermectin 1000~1500 times.
For the epidemic, it can be controlled with Amishida 1500 times. For anthracnose and powdery mildew, it can be sprayed with a 1000-fold solution. For Sclerotinia sclerotiorum and Botrytis cinerea, it can be controlled by Shijiale or Nongliling 1 000 ~ 1500 times liquid, and the serious disease can be mixed with 1000 times of high liquid, and the control effect is good.
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The above are the symptoms, causes and prevention measures of premature aging of peppers. Farmers should master the above prevention and control measures when planting peppers, prescribe the right medicine, avoid the phenomenon of premature aging of peppers, and reduce unnecessary losses. I hope the above can be used for pepper growers. They are helpful.
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