This problem is typical for old and over-thickened plantings. It is not difficult to notice it: on the leaves it is olive and slightly velvety spots, the kidneys begin to fall off, and small swellings form on the cortex. All this is quite possible to prevent. Of course, it is easier to choose the most resistant varieties to this problem. And what exactly it is necessary to process apple trees from scab in the spring, we will consider in this article.
Protection of apple from scab
The safest option than allowed to treat a scab on apple trees is to process biological preparations. The most popular among gardeners are preparations "Fitosporina" and "Gamair". The solution is prepared according to the instructions, it is used three times: first, the tree is sprayed during the budding period, then immediately after flowering and at the very beginning of the formation of the fruit.
Gardeners of the old generation will answer the question of how to treat a scab on apples, in favor of the Bordeaux mixture. This is the oldest and most trusted reception. Treatment of apple-tree from scab with a mixture of lime and copper sulphate is carried out already in five stages. As in the first case, we first work on the formed kidneys, then twice during the bud blossoming, after flowering and immediately at the beginning of the fetal formation.
From the scab on the apple trees, the modern preparation of the complex effect helps. He does not wash the water from the rain, but the impact is inside and out. The most famous drugs against the apple tree scab of this group are "Rake" and "Skor". The treatment of apple-tree from scab with "Raek" preparation is carried out four times, and the result after work of "Skora" is visible after two. If the task is to find the answer to the question, how to treat apples from scab in the spring in cold regions, it is worth paying attention to the drug "Horus". It will be quite effective at + 3 ° С. Processing in two sets, lasts about a month. Also, you need to wait for the bud to unfold, and then the green cone phase.