Causes of pepper rotten fruit and its prevention

First, the rotten fruit caused by pepper blight

Most of the stem lesions occur in the decentralized area, first appearing water-soaked spots, dark green, then dark brown, soft cortex of the cortex, the branches of the disease are wilting and dying, when the disease is white, the disease is white. The incidence of fruit begins from the pedicle, and the water spots of the lesion develop to the fruit surface, which is like watery, grayish green, and then grayish soft rot has sparse white mold. After planting and initial flowering period, use 50% copper succinate (DT) 500 times solution and 72.2% Plex water 600 times solution, or 64% antivirus 矾 500 times solution, or 72% DuPont gram dew 700 times solution, or 58% Metalaxyl manganese zinc 700 times liquid prevention.

Second, the rotten fruit caused by capsicum sclerotia

The fruit is usually infected from the umbilical surface and spreads to the pedicle. The fruit turns brown first, sometimes with a light brown concentric pattern, and white hyphae grow at the lesion. Then part or all of the fruit is brown rot. In the early stage of the disease, 50% thiophanate-methyl WP 500 times solution or 40% sclerotium WP 1500 times solution can be sprayed, sprayed once every 7 to 10 days, and sprayed 2 to 3 times. The facility can be treated with 10% smog and 45% chlorothalonil, 250-300 grams per 667 square meters, once every 7 days, even 2 to 3 times.

这是一张辣椒烂果原因及其防治的配图

Third, the rotten fruit caused by pepper anthracnose

Capsicum anthracnose is mainly harmful to fruits. In the early stage of the disease, 80% Xinwansheng 1000 times solution, or 80% anthrax Fami 800 times solution or 50% carbendazim 600 times solution, or 70% methyl thiophanate 800 times solution can be used for prevention and treatment.

Fourth, the rotten fruit caused by soft rot of pepper

It occurs mostly in the near fruit stalk. The small water-stained dark green lesions around the sputum are rapidly expanding. The whole fruit turns green, soft rot, the tissue inside the fruit rots, and the diseased fruit is a large blister. After the peel is broken, the internal liquid flows out and only the skin is shrunk. Control: use 72% agricultural streptomycin 4000 times solution or DT bactericide 500 times solution, spray once every 7 days, even spray 2 to 3 times.

这是一张辣椒烂果原因及其防治的配图

5. Rotten fruit caused by pepper gray mold

The fruit onset starts from the fruit syrup, and the peel turns grayish white and is watery and soft rot. The lesion quickly spreads to half or whole fruit and is densely covered with grayish white or taupe. In the early stage of the disease, it can spray 50% speed Keling 1500 ~ 2000 times liquid, or 50% carbendazim 500 times liquid, or 70% mancozeb 500 times liquid, or 70% methyl thiophanate 1000 times liquid. Spray once every 7 days, even spray 2 to 3 times.

Six, the rotten fruit caused by pepper umbilical rot

Physiological diseases are caused by calcium deficiency due to abnormal water supply. At the beginning of the umbilical part of the fruit, there are dark green water-stained lesions, which are enlarged, shrunk, sag, brown, and often become black or rot due to parasitic other bacteria. In the early stage of the disease, 1% superphosphate or 0.1% calcium chloride can be sprayed, sprayed once every 7 days, and sprayed 2 to 3 times.


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