The rot caused by Pythium quinquefaciens has been severely harmed in recent years. It mainly damages tomatoes that have just been in the seedling-reducing stage, and is susceptible to high temperatures and high humidity. It is commonly known as "stem blight" and is not harmful to the root system, but it will cause damages as the disease progresses. Dead tree.
The main hazard is that the surface of the earth is about 2-3 cm above and below, resulting in dark brown lesions that gradually expand upwards. After a week around the stems, the lesions turn brown, become soft and contract.
High temperature and high humidity are the main causes of morbidity. During late fall and summer planting, the damage is severe. If the larvae are too large and the outside temperature exceeds 30 degrees Celsius, the disease will be greatly affected.
Control methods: available toxins, fluoride, B-aluminum, fine metalaxyl manganese zinc irrigation or spray stem base.
Nuts Seed Kernel include walnut kernel, sunflower seeds kernel, sunflower seed kernel etc., which are excellent food with rich nutrition.
Seed Kernel,Kernel Fruit,Walnut Kernel,Pumpkin seed kernel, sunflower seed kernel
Xi'an Gawen Biotechnology Co., Ltd , https://www.seoagolyn.com