How to prevent and cure walnut anthracnose?
What harm does anthracnose do to walnuts? How to prevent and cure walnut anthracnose? Also ask experienced netizens to help introduce the harm and control methods of walnut anthracnose in the farming network, which are listed in detail below for netizens' reference. Harm of walnut anthracnose: anthracnose generally occurs from June to August and is serious in orchards with heavy rainfall, weak walnut trees, dense branches and leaves and extensive management. Brown to dark brown round or subround spots appear on the pericarp of walnut damaged by anthracnose, with sunken center and small black spots, sometimes in the shape of concentric rings. When the air humidity is high, there are pink protuberances on the disease spot. The disease spot can be connected into a piece for a long time, making the fruit black, rotten or early. The disease spot of the leaf is irregular, mostly in strip shape. The diseased leaves are withered and yellow, and the seriously diseased leaves all turn yellow. Prevention and treatment of walnut anthracnose: method 1, remove diseased branches, diseased fruits and diseased leaves and burn them centrally. Strengthen tree management and improve ventilation and light transmission conditions. Method 2. When the rainy season is coming, spray Bordeaux solution of 1-100 Bordeaux (copper sulfate: lime: water) every 10-15 days to prevent diseases. Method 3. When a disease occurs, 40% carbendazim wettable powder can be sprayed 1000 times, 75% chlorothalonil 600 times, 70% topiramate 800 times, once every 15 days, 2-3 times continuously. Pruning methods of Walnut trees Management methods of Walnut trees in Autumn and Winter
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How much fruit do walnut trees bear?
How much fruit do walnut trees bear? What are some ways to make a walnut tree bear more fruit? Please also have experience to help introduce the improvement of living standards walnut more and more popular, while walnut is also the most emerging play new products, but the low fruit set rate of walnut fruit is the most headache for fruit farmers, for this reason tilled...
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What are the methods of prevention and control of pear diseases and insect pests in winter?
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