What are the control measures for silver leaf disease in apple trees?

Apple is the fruit we eat most often. Although apples are delicious, the whole process of growing apples is really laborious, especially when it comes to diseases. Some diseases are really stubborn, and once contracted they are very hard to eradicate. Today we are going to learn about the control knowledge for silver leaf disease in apple trees. And also get a rough understanding of the types of apples.

1. Apple varieties

Apple, a fruit relatively rich in vitamins, is roughly divided by color into red, green and yellow, and by taste roughly into three kinds: sour, sweet, and sweet-and-sour. There are many varieties, and now they can be eaten all year round: in summer and autumn eat the ones in season, in spring and winter eat the ones stored in cellars. There are roughly about 100 apple varieties. But the more commonly seen ones are mainly the following: 1. Red Fuji 2. Gala 3. Sansa 4. Red General 5. Tsugaru 6. Golden Delicious 7. Red Star (snake fruit) 8. Jonathan 9. Jonagold 10. Granny Smith 11. Ralls Genet 12. Golden Delicious and so on.

2. Prevention of silver leaf disease in apples

For fruit growers who plant apple trees, what they worry about most is nothing other than problems such as yellowing leaves on apple trees. Silver leaf disease of apples most likes to infect the leaves and branches of apple trees. How do we prevent it? The first step is to clean up the orchard, and this must be done carefully, meticulously and thoroughly. Also, cut down those trees that have already contracted silver leaf disease and cannot be cured, and together with the diseased branches and leaves, gather them up and take them to a relatively distant place to burn. The overwintering survival rate of silver leaf disease must be reduced to the greatest extent possible.

3. Control measures for silver leaf disease in apple trees

1. Clean the orchard thoroughly before bud break, and do a good job of winter preventive measures

2. In spring, survey the area near the orchard. If fungal fruiting bodies are found on the trunks or stumps of willow and poplar trees, immediately scrape them off cleanly with a knife and disinfect with medicine.

3. In winter or other seasons, pruned branches must be burned promptly, and do not leave fences in the orchard in winter. Strengthening tree vigor, improving fertilizer and water management, and protecting wounds are important measures to prevent silver leaf disease in apple trees.

4. Folk remedy: peel red-skinned garlic and mash it into a paste. From May to July, on the base of the main trunk of diseased fruit trees, drill small holes, one every 20cm, with a depth suitable for passing through the pith. Fill the holes full of garlic paste, but do not go beyond the tree bark cambium, or it will burn and rot the bark. Then seal the openings with mud, and wrap the openings tightly with plastic strips. The cure rate of this method is very high.

Alright, that is all for today on control measures for silver leaf disease in apple trees. Friends who like it are welcome to forward, comment and share, and for more information welcome to follow Tuliu.com. See you next time, bye-bye