What is balsam pear anthracnose and how to prevent it?

Diseased leaf disease gourd what is balsam pear anthracnose, how should prevent and cure? Please introduce the control methods of balsam pear anthracnose is an important disease of balsam pear, the occurrence of balsam pear anthracnose is more common, serious damage, the occurrence and control of balsam pear anthracnose are briefly introduced as follows: balsam pear leaves, stems, melon strips can occur. The main symptom is brown semicircular or round spot on the edge of the leaf, which is slightly sunken. Leaf disease spot is nearly round, varying in size, initially water-stained, and soon dried up in reddish brown, with yellow halos on the edge, often with several small disease spots together, showing irregular large disease spots. The disease spot is whorled with black dots. When it is wet, there are pink sticky substances on the disease spot. Under dry conditions, the disease spot is often cracked and perforated. The disease spot on the stem is grayish white to dark brown, slightly sunken, the surface can occur, the disease spot is nearly round, it is light yellowish brown at first, and then becomes reddish brown to brown, slightly sunken. When the humidity is high, the disease spot has a light pink mucus overflow, when the disease is serious, the disease department expands, which can cause melon strips to rot. Balsam pear control measures: first, select disease-free seeds; second, seed disinfection: soak the seeds with 55 ℃ warm water for 15-20 minutes, or soak the seeds with 40% formaldehyde 150x solution for 1 hour; 50% sulfamide 500 times solution soak the seeds for 1 hour, rinse the seeds with clean water and sow the seeds. Third, seedling raising in disease-free soil and high border plastic film mulching cultivation. The fourth is to strengthen field management. Timely removal of early diseased melons and diseased leaves to reduce the effective source of bacteria in the field. Fifth, chemical prevention and control. Timely chemical control in the early stage of the disease, 50% carbendazim wettable powder 500 times liquid, or 80% anthrax Fumei wettable powder 800 times liquid, sprayed once a week, 3 times 4 times in a row, the control effect is good. Click to get more balsam pear planting techniques click to get more vegetable planting techniques