Fusarium wilt in summer is the hottest season in summer, and it is the most vulnerable after the rain. In the early stages of the disease, water-like symptoms occur in the middle of the leaf blade or in the tip of the leaf that touches the ground. In severe cases, all the leaves are scalded and then completely dead. After the onset of the root strain, new strains can be sprouted, but sometimes the germinating leeks will continue to develop. Therefore, we must promptly prevent and control in order to avoid causing huge losses.
1. Reasonable rotation, planting Daejeon should choose fertile, organic matter more than sufficient field, should be irrigated before planting, sufficient basal fertilizer, per mu of fully cooked sheep ash and other farmyard fertilizer 3000 kg, 25% compound fertilizer 30 kg, Disinfect the soil by spraying the disinfection agent on the surface with 800 times the new high fat film.
2, to strengthen management, in the root period, the appropriate control of water, to avoid leggy, timely drainage; hot suffocating rain, we must pay close attention to use the well water poured quickly poured to reduce the ground temperature. Simultaneously spray 800 times of new high-fat film to form a protective film to prevent germ invasion by airflow. Spraying Zhuang stalks at the right time can make the stem thick, leaves thick, fresh leaves, plants, and natural taste.
3, chemical control, the initial stage of disease should be based on the requirements of plant protection with 75% chlorothalonil WP 600 times, or 58% metalaxyl MnZn WP 500 times and other targeted pharmaceutical spray control, every 5-7 Days, even spray 2-3 times; and spraying 800 times the new high-fat film to enhance efficacy, improve the utilization of effective pharmaceutical ingredients, consolidate the control effect.
China Daily chemical Suppliers
Here you can find the related products in Daily chemical, we are professional manufacturer of Daily chemical. We focused on international export product development, production and sales. We have improved quality control processes of Daily chemical to ensure each export qualified product.
If you want to know more about the products in Daily chemical, please click the Product details to view parameters, models, pictures, prices and Other information about Daily chemical.
Whatever you are a group or individual, we will do our best to provide you with accurate and comprehensive message about Daily chemical!
Hydrolyzed Keratin, Menthol, Daily Chemistry, Cosmetics Field
Xi'an Gawen Biotechnology Co., Ltd , https://www.ahualynbios.com