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Pharmaceutical Vials,Pharmaceutical Bottles,Glass Tube Vials,Injection Vials,Auto Sampler Vials Ningbo Zhengli Pharmaceutical Packaging Co., Ltd. , http://www.zlpharmapkg.com
Symptoms of injury: Mainly occur in fruits, especially fruit shoulders prone to sunburn, the disease is shiny, like transparent leathery, and later changed to white or yellow-brown spots, sometimes wrinkles, shrinking and hardening after the depression, flesh Turn brown. When the surface of the diseased area is infested with germs, grow black mold or rot. When the leaves are sunburned, the chlorophylls fade, and some of the leaves become bleached, and finally they turn yellow and die, or the leaf margins are dry and coke. Disease characteristics: fruit enlargement, dry weather, soil water shortage, fruit by direct light, skin temperature increases, evaporation consumes more water, fruit surface temperature is too high and burned. It usually occurs on the sunny side of the fruit. Control methods: (1) Selection of lush foliage. (2) Watering in time to reduce the temperature of the plants can avoid sunburn. (3) Increase organic fertilizer and improve soil water retention. Timely pruning and cutting right, promote plant growth, lush foliage, reduce the direct sun to the fruit. (4) In the high temperature season, the fruit surface is sprayed with 0.1% copper sulfate or zinc sulfate, or 27% high-fat film emulsion 80-100 times liquid to increase the heat resistance of the plant.