Rhizoctonia must have been heard by everyone, and blight is also known as dead seedlings. It is mainly caused by Rhizoctonia solani, which is caused by the infection of the fungus Subgermanium. The host range is wide. Except Solanaceae and melon vegetables, some leguminous and cruciferous vegetables can also be killed. The identification and prevention of seedling blight are briefly described as follows: 1. Symptom identification: The main damage to the seedling stem base or underground root, the initial oval or irregular dark brown lesions, diseased seedlings during the early days of wilt, night recovery, The diseased part gradually sag and shrunk. Some gradients are dark brown. When the lesion expands around the stem for one week, it dies and it does not fall down. The lightly diseased plants only showed spots with brown depression and did not wither. When the humidity of the seedbed is large, the faint brown spider silk mold is not evident in the diseased part. Bacterial disease does not produce flocculent white mold, lodging and slow progression, can be distinguished from damping-off disease. 2. Incidence and regularity: The mycelia and sclerotia are overwintering in the soil and can be rotted in the soil for 2-3 years. It is spread through rainwater, sprays, organic fertilizers and farm implements. Germ development temperature 20-24 °C. Freshly emerged seedlings and large seedlings can all be harmed, and most often occur later in the nursery. Where the bed temperature is high, soil moisture, the application of unripe fertilizer, sowing too dense, the seedlings are not timely, leggy, etc. are easy to induce the disease. 3, prevention and control methods: 1 agricultural control methods see damping-off. 2 Chemical control can be applied at the early stage of disease. The interval between application is 7-10 days, depending on the condition and even 2-3 times. Pharmacy selection: 75% chlorothalonil WP 600 times, or 5% jinggangmycin aqueous solution 1500 times, or 20% chlorhexidine EC 1200 times spray. If damping-off and damping-blight occur in a mixture, use 72.2% propamocarb 800 times solution plus 50% omeprazole WP 800 times to spray 2-3 tablets per square meter Rise. Gelatin Size 00 Empty Capsule,Hard Empty Gelatin Capsules Size 00,Halal Certificated Vegetable Empty Capsules,Empty Separated Halal Gelatin Capsule Ningbo Jiangnan Capsule Co., Ltd. , https://www.jncapsule.com