Grapes are subject to a number of diseases which negatively affect quality and quantity of harvest. But if to care for plants and to carry out preventive measures, problems can be avoided with ease.
It is required to you
- - baking soda;
- - vitriol;
- - medicines "Topaz" or "Fundazol";
- - Bordeaux liquid.
Instruction
1. Most often on grapes gray decay which strikes not only green part of culture, but also berry meets. On plants there is white raid, and in process of development of disease - decay. To protect rod, you carry out processing by alkaline solution – on 10 l of water of 70 g of baking soda. Irrigate grapes from spray. This way is especially good as prevention from decay and leaf-eating caterpillars.
2. True mealy dew (Oidium) is also widespread disease of plants. On rod there are gray spots, raid that leads to dying off of greens and cracking of berries. Process as prevention grapes the medicines "Topaz" and "Fundazol" - attentively read application instructions. If the plant is already struck, irrigate its two times at an interval of 20 days. Before winter surely sprinkle grapes of 5% vitriol solution.
3. Mildya, or the wrong mealy dew, with enviable frequency strikes grapes. Besides, disputes of mushrooms do not perish in cold weather that leads to annual damage of foliage and fruits. The disease is shown by yellow spots, then the plant begins to dry. It is possible to be protected from misfortune if during emergence of kidneys to process rod of 2% solution of the Bordeaux liquid. Do not forget to remove the struck leaves not only from plants, but also from the earth.
4. Slightly less often grapes suffer from bacterial cancer which develops as a result of improper handling of bush or because of too fierce winters. At plant the neck is surprised, there is outgrowth which gradually increases. At once remove new growth, and process the place diesel fuel. But grapevines in this case rather seldom survive. If you notice that the plant perishes, dig out and burn it – it does not make sense to make multiple copies cherenkovaniye as there is probability that the new bush will be with the same defect.