What are the prevention and control measures of apple tree silver leaf disease?

Apple is the most common fruit we eat. Although apples are delicious, the whole process of growing apples is really a lot of work, especially for diseases, some diseases are really stubborn, once infected, it is very difficult to eradicate, today we want to bring you to know the prevention and treatment of apple tree silver leaf disease. And get a general idea of the types of apples.

I. varieties of apples

Apple, a fruit rich in vitamins, is roughly divided into red, green and yellow, and the taste is also roughly divided into three types: sour, sweet and sour. There are many varieties, which can be eaten all the year round, summer and autumn, and cellar in spring and winter. There are about 100 apple varieties. But the most common ones are as follows: 1. Red Fuji 2, Gala 3, Sangsa 4, Red General 5, Jin Light 6, Golden Crown 7, Red Star (Snake) 8, Hongyu 9, Jonagin 10, Australian Green Apple 11, Guoguang 12, Jin Shuai and so on.

2. Prevention of apple silver leaf disease

Fruit growers who grow apple trees are most worried about such problems as the yellow leaves of apple trees. The most common infection site of apple silver leaf disease is the leaves and branches of apple trees. How can we prevent it? The first step is to clean up the orchard, to do careful and thorough cleaning, and to cut down those trees that have silver leaf disease and are incurable, and to burn them in a distant place together with those diseased branches and leaves. To minimize the chance of overwintering survival of silver leaf disease.

III. Control measures of silver leaf disease in apple trees

1. Clear the garden thoroughly before sprouting and take precautions in winter.

2. In the spring, an investigation was carried out near the orchard and found that on the trunk stump of poplar and willow trees, if the fungus fruiting body was found, it should be immediately cut off with a knife and disinfected with medicine.

3. In winter or other seasons, the pruned branches should be burned in time, and do not leave a fence in the orchard in winter. Strengthening tree potential, strengthening fertilizer and water management and protecting wounds are important measures to prevent apple tree silver leaf disease.

4. Folk prescription: red-skinned garlic is peeled and pounded into mud. From May to July, small holes are drilled at the base of the main trunk of diseased fruit trees, and 20cm is used to punch one, which is suitable to pass through the pith. Mashed garlic is stuffed into the hole, do not exceed the bark cambium, it will burn the bark. After sealing the mouth with soil, and then using plastic cloth strip to wrap the hole, the cure rate of this method is very high.

All right, that's all for the prevention and control of apple tree silver leaf disease today. Friends who like it are welcome to forward, comment and share. For more information, welcome to follow Tuliu.com. I'll see you next time. Bye.