1. Mild rotten seed. In the process of cultivation of sprouts, especially in the case of agglomerates, the phenomena of rotten seeding are liable to occur. Most of the causes of mildew are rotting, mildew, and germinating seeds that are rotted and moldy under conditions of high temperature and high humidity. Good seeds can also become rotten if they are immersed in water for a long time, if they have poor ventilation, or if the temperature is too high or too low. Control methods are: use good seed (do not use green or yellow seed coat), eliminate inferior seed; when germination must strictly control the amount of water and temperature, do not collect water, maintain appropriate temperature, humidity and ventilation. In addition, seedlings must be strictly cleaned and disinfected.
2. Bacterial damping-off, damping-off and leaf spot control. Seedling rhizomes have water-stained spots, and later spots turn brown and the seedlings fall. The roots, rhizomes, cotyledons of peas, and other parts of legume sprouts turn black, and the seedlings grow slowly. These symptoms are all manifestations of damping-off and blight. The prevention and control methods are: thoroughly cleaning the nursery equipment; cleaning and exposure to the re-used substrate; soaking the seeds with warm soup; disinfecting the seed; strictly controlling the temperature environment to avoid overheating or underheating; enhancing ventilation, reducing air humidity; reducing watering volume and times Change the sprinkler irrigation to flood irrigation to prevent excessive air humidity. Foliar lesions: There are sometimes black pits on the cotyledons of radish sprouts, which are caused by a variety of fungal diseases. The prevention and control method is: changing the sprinkler irrigation into flooding irrigation water to prevent the water droplets from falling on the cotyledons; strengthen the ventilation and reduce the air humidity.
3. Shoots are not neat. The seedlings are not neat, so that the product rate of the product is reduced. In order to grow buds neatly, high-purity and uniform-sized seeds must be used in the production, so that uniform seeding, even watering, horizontal seedling plate placement, and frequent dishing , To create a uniform cultivation and management environment for seedlings, to promote the production of bud seedlings neat and consistent.
4. The sprouts are too old. In the process of bud seedling cultivation, in case of drought, strong light, high temperature or low temperature when the growth period is too long, etc., will cause the rapid emergence of bud fiber. Therefore, the above situations should be avoided in production management.
2. Bacterial damping-off, damping-off and leaf spot control. Seedling rhizomes have water-stained spots, and later spots turn brown and the seedlings fall. The roots, rhizomes, cotyledons of peas, and other parts of legume sprouts turn black, and the seedlings grow slowly. These symptoms are all manifestations of damping-off and blight. The prevention and control methods are: thoroughly cleaning the nursery equipment; cleaning and exposure to the re-used substrate; soaking the seeds with warm soup; disinfecting the seed; strictly controlling the temperature environment to avoid overheating or underheating; enhancing ventilation, reducing air humidity; reducing watering volume and times Change the sprinkler irrigation to flood irrigation to prevent excessive air humidity. Foliar lesions: There are sometimes black pits on the cotyledons of radish sprouts, which are caused by a variety of fungal diseases. The prevention and control method is: changing the sprinkler irrigation into flooding irrigation water to prevent the water droplets from falling on the cotyledons; strengthen the ventilation and reduce the air humidity.
3. Shoots are not neat. The seedlings are not neat, so that the product rate of the product is reduced. In order to grow buds neatly, high-purity and uniform-sized seeds must be used in the production, so that uniform seeding, even watering, horizontal seedling plate placement, and frequent dishing , To create a uniform cultivation and management environment for seedlings, to promote the production of bud seedlings neat and consistent.
4. The sprouts are too old. In the process of bud seedling cultivation, in case of drought, strong light, high temperature or low temperature when the growth period is too long, etc., will cause the rapid emergence of bud fiber. Therefore, the above situations should be avoided in production management.
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