1、 Pest

1. Aphid: aphid is a common pest, which is harmful to many plants. Spray the young plants with 1-1000 times of pesticide or the juice that will kill the young plants in a timely manner after eating it for 1000-1000 times

2. Root mites: root mites will harm plants with bulbs, cause the roots of plants to fall off, and the bitten parts will rot and stink. It is usually controlled with 1000 times of dimethoate emulsion or 4000 times of fenpropathrin emulsion. Because it is in the soil, it should be killed by root irrigation

3. Thrips: thrips harmful to tulips are mainly distributed in the south of China. Its adults and larvae will suck the juice on the leaves, turn it brown and fall off. Pests often occur from July to August. They should be sprayed with fenvalerate or qixingbao emulsion 800 times

2、 Disease

1. Sclerotinia disease: after tulip disease, yellow or brown round spots will appear on the scales, and Sclerotinia will infect the stems. This virus is mostly in the soil, so it is necessary to do a good job of disinfection before planting, remove the diseased plant in time after the disease, and spray Bordeaux solution or zinc substitute for control

2. Virus disease: the virus disease will cause tulips to degenerate. It will damage the leaves and petals and make them spot. In severe cases, it will rot. The spread of this disease is mainly due to aphids. Therefore, we should pay attention to prevention and control during the growth period, and pull out and destroy the diseased plants to avoid mutual infection

3. Base rot: base rot damages the bulbs and roots of tulips. There will be small classes at the base of the bulbs, which will only rot and stink. Generally, it should be harvested in advance in a dry climate to avoid being burned. After pilling, it should be soaked in brexite solution, which can also help it prevent diseases