Disease of cucumber powdery mildew and others: prevention and treatment

The most common cucumber disease -powdery mildew. In addition, these plants also infect such infections as mosaic and root rot. Against each of them there are their own methods of struggle, as well as preventive ones. Let us consider them in more detail.

Root rot is a dangerous disease caused byfungus. Infected plants begin to rot in the region of the root neck. As a result, the whip dies. This cucumber disease, like most infections, is easier to prevent than to treat later. Most often, plants are affected by soil and air humidity, for example, in greenhouses, as well as during sudden temperature changes. So do not water the cucumber too often. In addition, if it is expected to cool in the spring, the plants are covered with a film in the open ground.

If the disease is a cucumber, like rootrot, nevertheless showed itself, at its first signs the stalk into two internodes from the root is buried with earth. And, of course, care for such plants should be especially carefully: weed, loosen, feed. Strong cucumbers will better resist the disease. This is one of the main preventive measures. In addition, do not leave the last year's tops on the bed. It must be raked and burned.

Another disease of the cucumber - powdery mildew - affects the leaves of plants.

At the first stage, their surface appearscharacteristic white coating. Then the leaf blades begin to darken and eventually die off. The disease is caused, as in the first case, by a fungus of a special kind. The development of this infection is promoted by high humidity and insufficiently careful care of plants.

To combat powdery mildew apply 0, 10%suspension of funds "Figon" or "Karatan". The treatment is carried out as the plaque develops. However, spraying bushes can not be more often than once a week. Diseases of cucumbers in the greenhouse can be manifested more sharply than in the open ground, since the most favorable microclimate is created here. Therefore, with this method of growing plants they need to pay more attention.

Such a disease of cucumbers, like a mosaic, arisesalso often enough. It refers to viral. This is also an unpleasant phenomenon, which can lead to a significant reduction in yield. Most often, plants are infected with three types of this infection: yellow, white and green. On the leaves and fruits of the plant there are characteristic spots, after which the tissues begin to rot. At the first sign of infection should be watered soil 0.1% of potassium permanganate. It is also not bad to spray cucumbers with formalin (5%).

Diseases of cucumbers in pictures you can seeon this page. In addition to the above, there are other, no less unpleasant infections. In order to minimize the risk of infection, it is necessary to comply with agrotechnics: in time to feed, weed, loosen plants, and also prevent thickening. In this case, the cucumbers will remain healthy, and you will get just an excellent harvest both in the greenhouse and in the open ground.