Great publicity of control techniques of spinach Fusarium wilt

Spinach has high nutritional value and is loved by many people, but in the process of spinach growth, spinach Fusarium wilt will bring fatal damage to spinach. Today, the editor shares with you how to control spinach Fusarium wilt.

1. Characteristics of spinach wilt.

Spinach Fusarium wilt generally occurs more seriously in the adult stage. The old leaves darkened and lost their luster, the mesophyll gradually yellowed, and the roots gradually became brown and withered. The plants with early onset were obviously dwarfed. When the weather is dry and the temperature is high, the diseased plants turn yellow rapidly. Under the condition of humid and low temperature, the diseased plant can survive for a period of time and sometimes grow new lateral roots, but it will die quickly in case of high temperature.

Spinach Fusarium wilt mainly spends summer or winter in soil or seeds with plant disease residues. Seeds can carry bacteria, and so can immature manure. The pathogen can spread with Rain Water and irrigation water and invade directly from the root wound or root tip. High temperature and humidity are beneficial to the disease, and the disease is easy to occur when the soil temperature is about 30 ℃, the soil is moist, the fertilizer is not fully mature, and underground pests and nematodes are easy to occur.

2. Control techniques of spinach Fusarium wilt

1. Avoid continuous cropping

2. Apply fully mature organic fertilizer and adopt the technology of formula fertilization to improve the disease resistance of plants.

3. Adopt high border or ridging cultivation, drain in time after rain, and flood irrigation is strictly prohibited.

4. the diseased plant in the center was removed in time, and 50% carbendazim wettable powder was sprayed 800 times, or 10% Zhiweiling water agent 300-400 times, every 15 days, 2-3 times in a row.

The above is the prevention and control technology of spinach Fusarium wilt brought by the editor of Tuliu.com.