The symptoms of anthrax are round or near-circular lesions on the stem segments or stalks, 4 to 8 mm in diameter, pale brown to off-white, with black spots on top, arranged in a roulette, and orange-red sticky when wet. Mass spore mass. There are often chlorotic halos around the lesions. As the disease progresses, the overall appearance is light brown rot. In the high temperature, high humidity and more rainy season, it is most susceptible to the disease.
Prevention and treatment methods found that lesions were timely excavated, and then coated with charcoal powder (or ash) to facilitate the healing of wounds as soon as possible. Spray bactericide regularly to prevent the occurrence of disease. Commonly used agents: 50% carbendazim WP 500 to 800 times, 50% thiophanate-methyl wettable powder 500 to 800 times, 50% polysulfide suspension 500 times. Can also be used 75% chlorothalonil WP 1000 times plus 70% thiophanate-methyl WP 1000 times, the control effect is better than a single use.
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