White spots on the leaves of cucumber: is there cause for concern?

Growing cucumbers is often associated with a number of problems, because the plants themselves and the fruits can be damaged by various pests, fungal diseases, viral or bacterial infections. Among the main reasons experts are usually called the improper care of these vegetables. For example, from moisture appears white rot, Anthracnose, powdery mildew, while the roots begin to rot. But low humidity contributes to the development of spider mites. In addition, they frequently infestation of melon aphids. The disease can actively develop in both protected and open field.

If you notice white spots on the leaves of cucumbers, then you know that it can be viral or fungal disease. For example, white mosaic only affects greenhouse plants: in this disease on the leaves of cucumbers clearly distinguish between star-shaped spots. With the development of the disease the entire leaf may become white, it will be only green veins. Fruits are not formed, and if and grow, it look very bad: they are mostly small and lumpy. In addition, cucumbers are becoming a kind of color, consisting of bands of yellow and white. If you notice the development of a disease of cucumbers in the greenhouse, a photo of the affected fruits, which are presented in the article, you won't regret. This will help you to identify the disease in the future and for a long time to remember it the first symptoms.

Described Seeing white spots on the leaves of cucumbers, it is not necessary to wait until the plant begins to bear fruit, it is better to destroy immediately. Of course, to fight this viral disease is difficult, because first we need to disinfect all equipment, containers and tools with a 5% solution of potassium permanganate. The remaining measures are preventive: for planting it is better to take the 2-3 year old seeds that are soaked in special strengthening solutions. Do not forget about crop rotation in greenhouses should be used to treat the soil before planting.

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But the white spots on the leaves of cucumbers can be a sign of spider mites: in this case, they look like dots, which will eventually lead to drying of the affected sheet. The lower side of the leaves you'll find barely visible cobweb. In order to get rid of spider mites, you will have to gather all affected leaves and burn them. In addition, plants should be regularly treated with special chemicals-insecticides. And then carefully monitor so that around them there was no weeds.

But if you notice cracked, brownish and white spots on the leaves of cucumbers, it is Anthracnose. In this disease the cucumber becomes like boiled, after some time it can turn black and dry up. This infection affects the weak of the plant, its development is promoted by moist air, but preserved her agent can in the soil, the seed, and in unharvested crop residues.

In addition, your cucumbers can hit and powdery mildew – it appears white spots on the leaves. Over time, their entire surface is covered with a coating, which leads to the death of shoots and young stems.

If you decide to start growing vegetables in a closed or open ground, it is better to know in advance all kinds of cucumber diseases. And fight with them (the before and after photos can attest to the effectiveness of its implementation), by the way, can be quite successful if you will inspect the plants daily, regularly to handle them and remove the affected shoots.