Occurrence and prevention of pepper plant resting

During the hot and rainy season in summer (late July), the plants grow slowly, the leaves are yellow, and it is easy to fall and fall. Or appear thin skin, or symptoms such as stiff fruit, called rest.

1. The cause of the plant is due to the high ambient temperature and the fact that the result is moved away from the main stem, causing the plant to grow weak.

2. Open field preventive measures In June, nitrogen fertilizer was applied to meet the demand for nutrients in the results period. Watering in time to keep the soil moist, avoid flooding with large water, and pay attention to flood control. Cut off the inner lychee and the old diseased branch at the right time, and remove the old leaves from the lower part of the plant. Leave 2 leaves on top of the third-level branches, and leave 1 for the newly grown branches. Timely to the roots to cultivate soil. Foliar spray of 0.2% urea or potassium dihydrogen phosphate solution. Pruning regeneration can also be used to improve plant growth. About 15 days before pruning, the plants need to be topped several times to prevent the plants from forming new shoots and prompting the lower branches to germinate early. Cut off at 5 to 6.7 cm before the second quarter of the "four-door bucket" fruit branch. The weak branches should be heavy and the strong branches should be light. They should be trimmed from mid-July to mid-August. In combination with top dressing, watering is continued for 2 to 3 times. After 4 to 5 days, side buds are germinated, 2 to 3 side buds are selected, excess side buds are removed, and new leaves and flower buds are grown after 15 days. Fruits are harvested in early September and flowers can be treated with plant growth regulators. Pay attention to the prevention and control of pests and diseases and post-freezing.

3. Precautionary measures for protection can determine the pruning time according to plant growth and local climatic conditions. After 9:00 am on a sunny day, the upper branch of the "four-door bucket" result position was cut and sprayed with 50% thiophanate-methyl WP 800 times solution or 1:1:200 Bordeaux mixture. Strengthen the topdressing and watering after pruning. During this period, it is not advisable to loosen the soil and cultivate the soil to the roots. And maintain a higher temperature to promote new shoots. After the end of September, the shed film was buckled in time, and the cover was used to keep warm.

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