Barley net spot disease is a common disease on barley, and it is common. In some areas, it is more serious for susceptible varieties, and it is abundant from April to mid-May. Severely causing the leaves to die so that they cannot head or have very small tassels. The disease mainly occurs on the leaves, and sometimes it can also spread to the leaf sheath. The disease gradually develops upward from the lower leaf. At first it was a light yellow sub-class, which later changed to brown spots and eventually turned dark brown. Due to the varying shades of lesions, it appears as a reticular brown stripe, so it is called net spot disease, and lesions can be combined into intermittent strips for a long time. Prevention: 1, agricultural control: (1) Select seeds in disease-free fields and implement seed disinfection. (2) timely sowing, the implementation of rotation, deep plowing the soil, buried deep remnants of diseased plants, do a good job in trench drainage. 2. Chemical control: Spray 50% dinitrate WP 200 times, or 65% zeocin WP 500 times, or 50% carbendazim WP 1000 times when the disease starts. Or spray Baume 0.3? 0.8 degree lime sulfur mixture. Single Door Safe Box,Large Office Safe Box,Biometric Password Safe Box,Jewelry Safe Box Hebei Tiger Brand Group Jia Bao Cabinet Industry Co. LTD , https://www.cntigersafe.com