Phytophthora – fungal disease to which plants of family of nightshade family are often subject. Appears during the rainy period, mainly in the second half of summer. About scales of problem it is possible to judge by digits. For example, agriculture of Russia because of phytophthora annually loses about 4 million tons of potatoes.
The danger of this disease consists in its instant distribution. As a rule, potatoes get sick with the first and if tomatoes grow at row, then in 8-10 days decay will appear also on them. To struggle with phytophthora is the most effective preventive measures. It is necessary to begin with planning of landings. Tomatoes need to be planted as it is possible further from potatoes. Besides, it is necessary to provide annual alternation of landings not to land tomatoes on the same place. Ideal option when tomatoes return to bed not earlier than four years later.
It is necessary to be engaged in prevention of phytophthora not only during the summer period, but also in off-season. After harvesting the remained tops of vegetable needs to be utilized or burned, or to dig in specially on that the allocated place. It is desirable and if the phytophthora nevertheless has visited bed, then it is obligatory to remove top soil on 4-5 cm.
Toeplitz needs to disinfect sulphurous gas or solution of copper vitriol in the fall. Indispensable condition of prevention of diseases of tomatoes is their correct watering. It is necessary to water seldom, but it is abundant, drenching the soil on depth of roots. It is necessary to do it without retting leaves and in the first half of day that by the evening the soil from above has dried out. It will be useful to spray plants with garlic infusion. It is necessary to make it four times: before formation of ovary, in 10 days after the first spraying, then with interval in two weeks to repeat the procedure still twice. For this purpose via the meat grinder it is necessary to pass arrows, cloves and leaves of garlic. To fill in one and a half glasses of this substance with water and to insist within day. Then solution to filter and add to it 1.5 g of margantsovokisly potassium at the rate on water bucket. Also spray tomatoes with infusions of ashes, iodine and chloride calcium and even mushrooms – tinder funguses. Here the choice of methods is rich, but the main thing is to remember constantly that without integrated approach not to defeat phytophthora.