Fusarium wilt Symptoms: Pepper wilt is one of the main diseases of pepper. At the early stage of disease, a large number of lower leaves fell off, and water-stained decay was found on the base of the stem near the surface. Sometimes the disease occurs only on one side of the plant, resulting in longitudinal, stripe-shaped necrosis. The aboveground stems and leaves quickly dehydrate and necrosis and show a blue and dry form. Finally, the whole plant dies. The root system of the diseased plant was also watery and rotted like the base of the stem. The cortex was easily peeled off, and the lignified part of the root system turned dark brown. In wet conditions, white moldy plants grew on the diseased part. Control measures: 1 Strengthen field management. Cultivate strong and strong seedlings, cultivate high glutinous rice, prevent flooding, and do not make continuous crops. 2 chemical control. In the initial stage of disease, spray 50% carbendazim WP 500 times, or 40% polysulfide suspension 600 times, or 14% urea ammonia solution 300 times to irrigate the roots. The average per irrigation solution is 250 grams. The degree of occurrence of disease, continuous irrigation 2 to 3 times. Bacterial wilt Symptoms: At the beginning of the disease, the main damage is the foliage. First, the diseased branches and leaves wilted and gradually spread to the whole plant. The color of the whole plant turned pale, and finally the leaves turned brown and brown. The most striking feature is that the appearance of the stem of the diseased plant is not obvious, and the vascular bundle becomes brown in the anatomical disease. When the slice is moisturized, it can be seen that milky mucus overflows from the vascular bundle, which is different from the wilt disease. Control measures: 1 Agricultural control. In accordance with local conditions, we must use disease-resistant seed varieties, adjust soil pH, combine soil preparation, apply proper amount of lime, and generally apply 50 to 100 kg of lime per mu, so that the pH value of the soil is slightly alkaline and inhibits the growth of pathogens. Increase the application of phosphorus and potassium fertilizers, spraying 100 mg / kg of boric acid solution to promote vascular bundle growth and enhance disease resistance. Pay attention to drainage after the rain, timely inspection, found that the diseased plants were immediately removed and burned, lime disinfected disease strains. 2 chemical control. 100-200 mg/kg streptomycin sulfate, or 30% BT WP 500 times, or 77% WP 500 times, or 14% Ammonia Bronze 300 times Spray once every 7-10 days, continuous control 3 times, the effect is better. fresh frozen red shrimp Red Shrimp,Frozen Red Shrimp,Fresh Red Shrimp,Delicious Fresh Frozen Red Shrimp Zhoushan Junwei Aquatic Products Co., Ltd. , https://www.junweiaquatic-intl.com