How to control rice blight by seedling?
How to control rice blight by seedling? Are there any effective prevention and control methods? Rice bacterial wilt is the number one disease of rice seedlings. Generally, rice bacterial wilt can be divided into two types: one is fungal bacterial wilt, the other is physiological bacterial wilt, also known as bacterial wilt. The following is an introduction to the pre-control and control methods of blight (for your reference). Prevention method one: strict seed coating and bed soil disinfection to reduce the amount of sowing. Before sowing, do a good seed treatment. First, dry the seeds for 1mi for 2 days, soak the seeds with clean water for 24 hours, wash them with clean water and dry until they are not dripping. Mix the seeds with 0.35kg (1 pack) of seeds with a dry nursery nanny and sow them evenly. Bed soil disinfection can use all kinds of multi-functional seedling nutrition agents or use 25% dimethazone 50g to water 30kg, irrigate 20 square meters of bed surface. The second prevention method is to adopt small arch shed to raise seedlings, the seedling bed should be high and high, apply sufficient base fertilizer, increase phosphorus and potassium fertilizer, improve the disease resistance of seedlings, reduce the moisture of bed soil, and increase the temperature of bed soil. The first control method is to carry out chemical control at the 1.5leaf stage of rice, choose 50% "Likujing" 25g or 38% "Ekuling" 30g, and irrigate 20 square meters of seedling bed with 30kg, which has better prevention and treatment effect on rice fungal blight. Once the disease occurs, it can be sprayed with 1000 times of dimethazone or 1500 times of liquid at the initial stage of the disease, the control effect is more than 95%, and the seedling growth resumes after 5 days. The first control method is to spray the leaves with the solution of "rooting powder" at the initial stage of the disease, so as to promote the rapid and multiple roots of rice and prevent the occurrence and spread of blight. Click to get more rice planting techniques click to get more food crop planting techniques
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What is rice sheath blight?
What is rice sheath blight? What are the hazards of rice sheath blight? Also ask friends to help introduce the harm of rice sheath blight: Rice sheath blight is also known as moire disease. The disease can occur from seedling stage to panicle stage. Leaf sheath infection produces dark green water-immersed edge blurred spots near the surface, and then gradually expands into an oval or cloud.
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How to control rice blight?
What are the hazards of rice blight? How to control rice blight? Also ask experienced netizens to help introduce the harm of rice blight and control methods can refer to the following introduction. The harm of rice blight 1. The harm of blight to rice buds: it occurs before or when it is unearthed, the buds of seedlings or.
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