As the temperature rises, peppers are prone to sunburn. The typical symptoms are rot in one side of the pepper fruit. When the humidity is high, it often leads to bacterial infection and the whole fruit rots. The fruit that causes sunburn is mainly small fruit and medium fruit.
Cause of disease Pepper planted too thin or improperly managed, so that the fruit of the pepper is exposed to sunlight, resulting in local overheating of the fruit, or even though the fruit is hidden under the leaf, but due to scattered light concentrated in the fruit, resulting in local overheating of the fruit, and the occurrence date Burning; A large amount of dewdrops appear on the fruit in the morning. After the sun shines, the dewdrop collects heat and causes burns to the fruit. Insufficient soil moisture during the noon or noon of the hot season may cause sunburn after a sudden rain.
The prevention and control methods are covered with shade nets to avoid direct sunlight on the fruits; appropriate irrigation to supplement soil moisture; early removal of diseased fruits to prevent bacterial infection; timely supplement of trace elements such as calcium, magnesium, boron, zinc, molybdenum, etc. Harvest, cloud 120, and other leaf fertilizers, improve the plant's comprehensive resistance.
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