Method for preventing stalk break of asparagus lettuce

Abstract

Provided is a method for preventing stalk break of asparagus lettuce. The method comprises the steps that deep tillage and bed forming are carried out on a field block where asparagus lettuce is planted, and then a proper amount of plant ash is evenly scattered and exposed to the sun for 7-10 days to reduce the stalk break bacterium source of soil; trichoderma agent is mixed with water and sprayed to the bed surface 7-10 days before planting, and growth of stalk break bacteria is effectively resisted through reproduction and growth of beneficial bacteria of trichoderma; before the asparagus lettuce is prepared to be planted, enough base fertilizer is applied according to a conventional method, the soil is covered with a mulching film, field humidity is reduced through the effect of the mulching film, and after holes are punched in the mulching film according to the planting spacing of the asparagus lettuce, the asparagus lettuce is planted. By means of the method, occurrence of the stalk break of the asparagus lettuce can be inhibited at low cost, secondary soil contamination caused by use of chemical pesticides is avoided, and normal production of the asparagus lettuce is promoted.

Description

Technical field [0001] The invention relates to a method applied in agricultural production to inhibit the occurrence and prevalence of lettuce sclerotinia. Background technique [0002] Sclerotinia is the main disease in lettuce production. This disease is a soil-borne disease. It is prone to epidemics under the conditions of medium, low temperature and high humidity. The plants with severe disease often rot and collapse, so that the lettuce production has no output. At present, passive chemical control is mainly used in the prevention and control of the disease, and the control effect is poor only when the disease is found. Contents of the invention [0003] In order to improve the prevention and control effect on lettuce sclerotinia, the invention provides a method for preventing and treating lettuce sclerotinia. By using the method, the occurrence of lettuce sclerotinia can be more effectively inhibited, thereby ensuring proper output of lettuce. [0004] The technica...

AI Technical Summary

Problems solved by technology

[0002] Sclerotinia is the main disease in the production of lettuce. This disease is a soil-borne disease. It is prone to epidemics under the conditions of medium, low temperature and high humidity. The plants with severe disease often rot and collapse, resulting in no production of lettuce.

At present, passive chemical control is mainly used in the prevention and control of this disease, and it is often found that there is a disease to control it with drugs, and the control effect is poor.