Chongqing Huifan Technology Co., Ltd , https://www.hfsecuritytech.com
The control of soybean bacterial spot disease can be used at the beginning of the disease with 3% enzymatic wettable powder 600 to 800 times, or 25% methamphetamine wettable powder 800 times, or 30% colubrum ammonia solution 350 Double liquid, or 20% copper thiobacillus suspension 600 times, or 20% Thiosin copper suspension 300 to 500 times, or 72% of agricultural streptomycin sulfate soluble powder 4000 times and other spray, every 10 to 15 Once a day, depending on the condition prevention 1 to 3 times. Pay attention to alternate medications to delay the development of pathogen resistance. Carbendazim and thiophanate-methyl were used as agents for the control of fungal diseases and had no preventive or therapeutic effect on the disease.
Soybean leaf red spot is got spot disease
Soybean bacterial spot disease mainly infects leaves and pods and can also harm petiole and stems. The leaves were infected and yellowish green sores appeared at the beginning of the foliage, and they gradually bulged to form a polygonal or irregular red-brown small bubble spot. There were yellow halos around the lesion. The epidermis was punctured after rupture, and the back of the lesion rose. obvious. In severe cases, lesions merge to form large patches of brown spots, and the tissues turn brown and die, appearing to be fire-like. The lesions at the beginning of the lesion were reddish-brown, round dots, and later became dark brown and brownish slightly raised.