Categories: Pest control

Rusty stains on cucumber leaves: causes of occurrence

Spring… Favorite time of all gardeners, after all, it is at this time that the long-awaited work on homesteads begins. Cucumber seeds were one of the first to be sown in the open ground. If the weather is warm, then soon the culture will delight you with the first sprouts. What a disappointment, when you, already anticipating the crunch of fresh, fragrant cucumber, suddenly you notice on the young leaves of the plant disgusting spots of rust! What shall I do?

Possible diseases and their treatment

Rust on cucumbers


This is a sure sign, that the culture has been attacked by a fungal infection. If you do not get rid of this trouble, the disease is quite capable of deteriorating the health of the plant, and significantly reduce yields. Once the disease is identified, treatment should be started immediately. in addition, we must not forget about preventive measures, to prevent recurrence of the disease.

Black rot

At the beginning of the disease, cucumber leaves are covered with small reddish spots, and the edges of the affected leaf slightly change their shape. Gradually the damage spreads towards the center of the sheet, leading to its drying up and inevitable death. Blisters may appear on the damaged leaves later. If you do nothing, black rot will continue to develop, spreading on the stem of a cucumber, and the affected areas begin to secrete a sticky liquid. Fungicides are used to effectively control black rot.

anthracnose

The disease is provoked by a pathogenic fungal infection, which develops intensively at high temperatures and humidity. The first symptom of the disease is rusty spots on the leaves of the correct round shape. Uncontrolled development of the disease leads to the appearance of through holes in the affected leaves, giving the plant a burnt appearance. At the same time, spots will appear on the fruit, secreting a pinkish liquid in the morning. The main cause of the disease - water splashes, settle on the leaves of the plant.

Fighting the disease is not easy: in the early stages it can be defeated by the use of a fungicidal drug - Ben or chlorothalonil.

angular spotting

About that, that your cucumbers suffer from angular spotting, it is safe to say, if oily wet green spots appear on the plants, over time, acquire a rusty hue. Gradually the center of the lesion is torn, forming through holes in the sheet, secreting bacterial fluid. The same fate befalls the fruits of diseased plants: specific spots and white ulcers appear on them.

The disease develops especially well in warm conditions with high humidity. If you notice characteristic spots on your plants - immediately start spraying the beds with a solution of copper sulfate.

Video "Diseases of cucumbers and their treatment"

In this video, farmers share their experience of treating pink spots on cucumber leaves.

Prevention of cucumber diseases

All these diseases are easier to prevent, than to cure. Ensuring proper care and adherence to basic agricultural techniques are the best preventive measures, designed to maintain the health of cucumbers. Do not forget to do regular loosening of the soil around the bushes, gently water the cucumbers, preventing excessive splashing of water on the leaves.

Healthy plants are a guarantee of a quality and healthy harvest. Treat your garden with love, and he will thank you generously for the bountiful harvest!

Video "6 tips for all diseases of cucumbers"

The video tells about it, how to protect cucumbers from disease and get a high yield.

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