Winter should pay attention to prevention and control of Artemisia halodendron
Chrysanthemum planted in winter is very susceptible to downy mildew. After producing a pale white to pale yellow downy layer on the leaves and leaves, the leaves turn yellow and brown and die. Therefore, winter should pay attention to the prevention of Artemisia halodendron to protect the leaves. Specific control methods: Artemisia halodendron planted in winter, after growing 3 to 5 true leaves, pay attention to inspection of the leaves and found that there are yellow-green to yellow-brown patches on the back and leaves of the leaves with pale white to pale yellow. In the case of peronospora, it is necessary to spray 600-800 times 58% metheuzine WP aqueous solution, or 800-1000 times 72% urea MnZn wettable powder aqueous solution, or 800-1000 times 69% ene. Manganese zinc wettable powder aqueous solution, or 500 to 600 times 64% frost Mn Zn wettable powder aqueous solution, etc. to control, spray once every 7 to 10 days, continuous spraying 2 to 3 times, uniformly wet all the leaves to start Dropping drops of water is appropriate to control the disease and restore the diseased plants to normal growth. Product categories of Geomembrane Welding Machine, we are specialized manufacturers from China, Geomembrane Hdpe Liner Welding Machine, Waterproofing Hdpe Geomembrane Welding Machine suppliers/factory, wholesale high-quality machine of Geomembrane welding R & D and manufacturing, we have the perfect after-sales service and technical support. Look forward to your cooperation! Geomembrane Welding Machine,Geomembrane Hdpe Liner Welding Machine,Waterproofing Hdpe Geomembrane Welding Machine,Hdpe Geomembrane Welding Machine Wuxi DIZO Ultrasonic Technology Company , https://www.dizosonic.com