According to the survey, Fuji apple red dot disease occurs in the Yantai area is relatively heavy, the disease rate accounted for about 30%, individual orchard tablets disease rate reached more than 70%. Apple red spot disease has seriously affected the economic income of fruit farmers.
Apple Red Spot Disease
On the basis of 2000 mm and over 80mm bagging, Fuji has no significant red spot disease or black spot disease. Its purchase price is 2.4-4.0 yuan per kilogram, and there are one or several red or black dots on the fruit surface. The purchase price is Kg 1.2, the price difference is larger. Therefore, solving Fuji apple red spot disease, black spot disease, and raising the economic income of the fruit growers are issues that urgently need to be solved in production. In the apple harvest season, there are many fruit growers who come to our company to consult this question. A considerable number of fruit growers said that when Apple just picked the bag, no red spots were found on the fruit surface, but after 3 to 10 days, the fruit surface There are some red spots on it.
Apple red dot disease prevention and control method
Prevention and control of apple red dot disease to grasp the prevention and treatment of spotted larvae before and after picking bag, effective pesticides for the control of diseased deciduous disease: 3.0% polyoxin 800 times, or 10% Polaroid 1000 times, or 80% Spray grams 800 times liquid.
Plant extracts refer to substances extracted or processed from plants (all or a part of plants) using appropriate solvents or methods, and can be used in the pharmaceutical industry, food industry, daily chemical industry and other industries.
There is a conceptual overlap between plant extracts and herbal extracts. The raw materials of plant extracts in my country are mainly derived from Chinese herbal medicines, so domestic plant extracts can also be called Chinese medicine extracts to some extent.
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