How to control pests and diseases in hotel landscaping.

Pest control measures are divided into agricultural control, physical control, chemical control and biological control measures. At present, chemical control measures are mostly used in routine production, and pesticide application is a common method. Physical control such as yellow board rebound, black light, sweet and sour liquid lure and other agricultural control: biological control such as main crop rotation, scientific use of organic fertilizer, scientific management and suitable cultivation methods mainly use natural enemies, such as Trichogramma, aphids, some biological fungi and other applied technologies. Aphids: When aphids occur, spray once every 7- 10 day for 2-3 times continuously. It can be killed with 40% omethoate or 40% omethoate 2000 times solution or 8% dichlorvos 1000 times solution. Scale insects: spraying 40% omethoate and 25% 1000-2000 times phoxim. If it is a rare potted variety, it can also be buried in the roots. For 2-3-year-old trees in the hospital, about 40g of 10% carbofuran can be used for each tree. Mites: 800 times of 20% imidacloprid wettable powder, or 2000 times of 50% long-acting sulfur emulsifiable concentrate, and 50% diclofenac emulsifiable concentrate 1000 times of spray.

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