Growing cucumbers is often associated with a number of problems, in fact, and the plants themselves, and the fruit can be damaged by various pests, fungal diseases, viral or bacterial infections.Among the main reasons experts, commonly referred to as the wrong care of these vegetables.For example, on the moisture appears white rot, anthracnose, powdery mildew, the roots begin to rot at the same time.But the lowered humidity promotes spider mites.Moreover, they are often affected melon aphids.This disease can develop rapidly in the closed and in the open field.
If you notice white spots on the leaves of cucumber, then know that this may be a viral or fungal infection.For example, white mosaic of striking a hothouse plants: in this disease on the leaves of cucumber clearly distinguish star-shaped spots.With the development of the disease the whole sheet can be white, it will be only green veins.The fruit is almost not formed, and if they grow up, it looks very bad: they are mostly small and lumpy.Furthermore, cucumbers acquire peculiar color, consisting of a strip of yellow and white color.If you notice the development of a disease of cucumbers in the greenhouse, photo damaged fruit that is presented in the article, you definitely can not hurt.This will help you identify the disease in the future and remember it for a long time the first symptoms.
described seeing white spots on the leaves of cucumber, it is not necessary to wait until the plant begins to bear fruit, it is better to destroy it immediately.Of course, the fight against this viral disease is difficult, because in the beginning you need to disinfect the entire inventory, packaging and tools 5% solution of potassium permanganate.The remaining control measures are preventive: for sowing is better to take 2-3 summer seeds that are soaked in special hardener.Do not forget about the rotation in greenhouses should cultivate the soil before sowing.
But the white spots on the leaves of cucumber can be a sign of spider mites, in which case they appear as dots that will eventually lead to the drying of the affected leaves.On the bottom side of the leaves you will find barely visible cobweb.In order to get rid of spider mites, you have to collect all the affected leaves and burn them.In addition, the plant should be regularly treated with special chemicals - insecticides.And then watch carefully to ensure that they did not have around the weeds.
But if you notice dehiscent brownish and white spots on the leaves of cucumber, it askohitoz.When the disease becomes similar to a cucumber boiled, after some time, he may turn black and dry out.This infection affects the weak plants, it contributes to the development of the humid air, and its pathogen can persist in the soil, seeds, and in the unharvested crop residues.
In addition, your cucumbers can hit and powdery mildew - it shows white spots on the leaves.Over time, the whole surface thereof is covered coating, which leads to the death of shoots and young stems.
If you decide to engage in the cultivation of vegetables in the open or closed ground, it is better to know in advance all sorts of diseases of cucumber.And fight with them (before and after photos can confirm the effectiveness of its implementation), by the way, can be quite successful if you inspect the plant on a daily basis, regularly handle them, and delete the affected shoots.
