Main diseases and control methods of beans

   The main diseases of the beans include leaf spot, blight, blight, root rot and rust; insects include dip, earthworm, thrips, leaf miner, etc., and comprehensive prevention and control techniques should be used for prevention and control. The main methods to control pests and diseases are:

First, the selection of resistant varieties.

The second is to choose the field planting that has not been planted with legumes for more than two years.

Third, removal of weeds around the field, concentrated fire; sterilized soil disinfestation, trichlorfon Mushi is 0.5 kg or 0.5 kg Dimehypo, carbendazim 1 kg.

The fourth is to plant sorghum, open the drainage ditch to prevent waterlogging.

The fifth is to increase the application of organic fertilizer, rational topdressing, combined application of nitrogen, phosphorus and potassium.

Sixth is the rational use of chemical pesticides. Rust prevention and control with rust; leaf spot disease with dysentery, methyl thiophanate; blight with carbendazim, copper oxychloride, benzoate, disease with metalaxyl, pulic, antivirus, toxic Prevention and treatment; root rot is treated with carbendazim, diclosan, and anti-bacterial king. In addition to soil treatment, underground pests such as tigers can be used for trapping and killing: phoxim, trichlorfon, and dimethoate can be used to kill pesticides; and bran mixed with tribe can be used in the evening in the field. around. Hummer uses Kangfuduo, Qixingbao, high-efficiency heroes, etc.; 豇 螟 杀 杀 杀 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 Phoxim, good winter prevention.

 

 

 

 

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