How to process cucumbers so that the leaves do not turn yellow

The content of the article

• How to process cucumbers from diseases
• How to spray cucumbers from pests
• How to process cucumbers with a lack of nutrition
• Zelenka and iodine for cucumbers

The gardener’s task is to get a good harvest. Unfortunately, when growing cucumbers, yellowing of the leaves often occurs with spots or along the edges. To solve this problem, it is necessary to establish the cause of the phenomenon, take concrete actions aimed at preserving the crop.

How to process cucumbers from diseases

Yellowness on the leaves are a sign of the following diseases:

• Cucumber mosaic – the virus infects young leaves a month after planting. Aphids serve as a peddler.
• Fusarium disease is a fungal disease that leads to thinning of stems, browning of tissues. High soil moisture contributes to the spread of infection..
• Pitiosis is a fungus that affects the root system. A prerequisite for its development is unbound moisture in the soil..
• Peronosporosis – harmful in all phases of the development of garden crops, dangerous even for seedlings. Fungal disease propagated by spores.

How to process cucumbers so that leaves do not turn yellow with spots? Biological preparations that do not pose a threat to the human body help to overcome pathogenic bacteria. The products contain beneficial bacteria that suppress pathogenic flora. Preparations are used for processing seed and as garden crops develop:

• Trichodermin;
• Planriz;
• Pentaphage C;
• Fitosporin M;
• Gamair;
• Alirin B.

How to spray cucumbers from pests

Another reason for the yellowing of cucumber leaves is pests that suck the juices from plants. These include:

• Whitefly is a small butterfly only 1.5-3 mm long. The parasite adores high temperature and plentiful humidity..
• The spider mite is a pest less than 1 mm in size, has a rounded shape and rare bristles. The parasite hides on the leaves below or under lumps of earth, does not like high humidity.
• Aphids – small soft-bodied insects of yellow-green color. The parasite is voracious and fertile..

How to process cucumbers so that leaves from pests do not turn yellow:

1. Against whiteflies, a folk remedy helps – tobacco planted around the perimeter of the garden. The accumulation of these pests on leaflets and stems can be treated with Inta-Vir, which causes paralysis in insects.
2. The spider mite is afraid of spraying with garlic or onion infusion (200 g of husk per bucket of water).
3. Aphids do not tolerate treatment with ash (200 g per 10 l of water with 50 g of grated laundry soap) or Inta-Vir.

How to process cucumbers with a lack of nutrition

Leaves turn yellow with a lack of nutrients – potassium, magnesium. Dark green veins indicate a lack of iron, manganese. With copper deficiency, the upper part of the plants dries. How to sprinkle cucumbers so that the leaves do not turn yellow? Plants can be treated with top dressing:

• Pumpkin Agricola – contains a set of useful trace elements;
• fermented liquid infusion of manure, diluted with water (proportion 1:10);
• urea per 1 tbsp. l per bucket of water for 1 sq. m .;
• ordinary ash obtained after burning wood or grass.

Zelenka and iodine for cucumbers

Folk remedies are successfully used by vegetable growers in the fight against diseases of garden crops. Zelenka for cucumbers has an antiseptic property. Copper, which is part of the preparation, makes it a valuable fertilizer, especially useful on marshy soils. Iodine for cucumbers in the greenhouse with the right dosage heals plants for diseases, improves the growth of vegetable crops.

How to process cucumbers so that the leaves do not turn yellow? Do this:

• Add zelenka (10 ml), serum (2 l), urea (50 g) to 10 l of water. Process cucumbers at the beginning of flowering and a couple more times at weekly intervals. Instead of whey, milk is suitable.
• Mix water (9 L), skim milk (1 L) and iodine (10 drops). Spraying cucumbers with serum with iodine should be done so that the foliage and the soil under it are moistened.
• Combine serum (1 L), water (10 L), iodine (40 drops), peroxide (1 tbsp.). Treat plants infected with late blight, 2-3 times in the evening at intervals of 10-12 days.