LEWIN Halogen Operating Lamp series Operating shadowless lamp can widely be used in diversified operation occasion to meet the demand of the illumination, CAD/CAM overall reflection optical system and a multi-revolving surface reflector of more than 4000 mirrors, its illumine depth is up to 1200mm,the lamp could reach a center illumination of 80000-160000lux, Halogen Operating Lamp is the ideal illumination instrument of the modern operating theater.Advanced Irsorb filter can absorb 99.6% infrared and 99.8% ultraviolet,and special heat transfer design, an excellent cold-light effect.
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For strawberry virus disease, comprehensive measures should be taken to prevent it. (1) Use virus-free strawberry seedlings. This is the most effective and fundamental way to prevent strawberry virus disease. (2) Soilless cultivation or disinfection of the soil before the strawberry is colonized. (3) Timely use of imidacloprid, acetamiprid and other drugs to control aphid and other transmission media. At the beginning of the disease, it can be treated with sodium nitrophenolate, sodium linacillin, or virus A20% dodecyl acetic acid copper WP. (4) Regularly update the strawberry varieties and use resistant varieties. (5) Avoid joint or interplanting with Solanaceae crops that are susceptible to viral disease.
Comprehensive prevention of strawberry virus disease
Virus disease is the main disease of strawberry, which often leads to dwarfing plants, declining growth, chlorosis, yellowing and dulling of leaves, shrinking and crumpling, less fruit set, small fruit, and low yield. The disease may be caused by a variety of viral infections. Commonly there are strawberry mottle virus, light yellow edge virus, inlay virus, and wrinkle virus. A virus has many symptoms that are not obvious, and most of the diseases are two or more viruses. Compound infection caused. Due to its latent infection characteristics, the affected plants cannot express symptoms quickly and are often neglected in production.
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