Why do melon leaves turn yellow in the open field and how to treat it

It is possible to get a good harvest of gourds if efforts are made to grow it. You should know in advance what difficulties you may encounter, this will help to warn them in a timely manner. And the questions: why worms appear in fruits, why melon leaves turn yellow in the open field, after studying this article they will not be able to confuse you. Treatment options differ depending on the type of problem.

Causes of yellowing melon leaves

Knowing the main reasons why the leaves of the grown melon still turn yellow, you can determine the method of its treatment. This will help you choose how to treat, as well as select the necessary fertilizers or growth stimulants.

Water shortage

Lack of moisture is one of the consequences of the beginning of the problems of the planted melon. She has a powerful root system, which penetrates deep (up to 1 m) into the soil and can independently extract water. But still, she needs watering, although not too plentiful.

It is enough to carry out weekly irrigation. Water should be used only warm, infused in a container under the sun. It is preferable to equip a drip irrigation system to avoid water drops on its above-ground part, and not cause yellowing of the stems on the melon.

Why do melons rot in too wet areas? Because waterlogging can initially cause rotting of the root system, and then the ground part begins to turn yellow.

Damage to the root system

How do you know if a melon is suffering from a damaged root system? This can happen if the plants are planted too close together. As a result, they will begin to turn yellow, and then disappear.

Lack of mineral s alts

You can clearly see the consequences of an insufficient amount of mineral s alts in the soil by looking at the leaves. At first glance, it can be assumed that the pests of the greenhouse are to blame. Dark places appear on the leaves, they wither and turn yellow.

What can be done in this case? Carry out complex feeding of gourds with nitrogen and mineral fertilizers.

Too much sunlight

Too intense sunlight is also an important factor why melon lashes dry out. Especially during dry times, this becomes the main reason when the leaves on melons grown outdoors dry and then dry completely.What should be done to get rid of this problem? For example, beds with planted plants should be covered with dry grass.

Causes of yellowing and falling ovaries in melons

Sometimes, it would seem, in a prosperous melon, for some reason, the ovaries that have appeared turn yellow and fall off, the leaves curl. To figure out why this happened, you need to find out what negative circumstances preceded this.

Lack of minerals

Insufficient amount of trace elements and minerals in the soil is one of the reasons why melon ovaries wither and subsequently fall off. In greenhouses, this is reminiscent of pest damage to the crop. You can cope with such a problem by introducing complex mineral fertilizers into the soil.

Not pollinated

In the absence of pollination, there is a high probability that the fruits will not be tied, and this will lead to abscission of flowers. To prevent this phenomenon, it is recommended to sprinkle flowering lashes with sweetened water to attract more insects. Or you can carry out pollination artificially.

No pinching

To promote normal development, gourds require pinching of the main stem. It is enough to leave 3 stems on the bush (one main and two side). If you do not follow the requirement, then this becomes the reason why the whips of melons dry.

Temperature jump

If the temperature during the day is much higher than at night, the development of all cucurbits is deteriorating. Under such climatic conditions, the negative process of drying the lashes during the fruiting period intensifies.

Causes of rotting melons

This can happen if the agricultural technology was not observed during cultivation. One of the reasons provoking such a phenomenon is the defeat of root rot. Often, rotting begins when crop rotation is not followed and seeds are planted in contaminated soil.

Weakened plants are more prone to rotting. Initially, the root system dries up, and then the foliage wilts and turns yellow. As a result of this process, the bush disappears. If rotting occurs during fruit ripening, then the harvest fails, as the fruit rots from the inside.

Diseases characteristic of gourds

Some types of diseases and pests do not allow a decent harvest of fruits. You should know the signs of diseases in order to know how to protect them from such problems. Gourds can be affected by various kinds of infections (viral, bacterial or fungal).

The most common diseases in cucurbits are as follows:

• ashtray (powdery mildew);
• fusarium wilt;
• anthracosis (dry verdigris);
• flower parasite broomrape;
• mosaic virus;
• ascochitosis.

Insects often harm planted gourds:

• spider mites;
• melon fly;
• melon aphid (cotton).

They usually damage the skin of ripe fruits and lay larvae in them.

The spread of diseases can start from affected seeds, as well as weeds or soil. It should also be noted that some types of diseases can be carried by insects. Therefore, timely pest control should be carried out.

Melon aphid

The defeat of this pest occurs by reproduction on the underside of the leaves of small insects. They suck the juice from the plant, which leads to its withering and falling off of the ovaries. This is why the leaves curl and the stems wither.

Fusarial wilt

This infection is caused by a special type of fungus. It penetrates through the root system from the soil. Initially, the roots rot, which leads to complete drying of the aerial part. From the first signs of the disease to the death of the plant takes from 1 to 1.5 weeks.

The danger of this disease is that it can spread throughout the area. Fusarium can occur at almost any stage during a period of high soil and air humidity. As a preventive measure, it is not recommended to plant a melon for several years in a row in the same area.

Anthracose lesions of melon

This type of fungal disease affects plants grown in greenhouse conditions. First, spots of a brownish-pinkish hue form on them, then the stems become brittle and the fruits rot.

Spider mite

Colonies of this parasite appear on young shoots, on the ovary or on the buds. Adults spin webs and lay eggs. The larvae feed on cell sap. Scars appear at the site of the bite, and the melon crop dries during the fruiting period. The parasites can then migrate to he althy plants. The eggs of this pest can remain viable for 5 years.

Broomrape

This is a parasitic plant species. It does not have a root system, but instead of them there are fleshy suckers that dig into the stem and feed on someone else's juice.

Because one broomrape produces more than a million spores, it is difficult to deal with this problem. You can use herbicides during pre-sowing tillage.

Powdery mildew

Peak of powdery mildew occurs in the second half of summer, if dry weather has established with minimal rainfall. Whitish spots appear, the foliage gradually turns yellow and disappears.

Melon Fly

This pest most often spoils the melon crop. Such a fly lays its larvae in ripe fruits. As they grow, they make moves for themselves, as a result of which the melon rots completely. You can recognize the presence of larvae by small holes in the peel. Affected fruits become vulnerable to fungal or viral diseases.

Control and prevention measures

Melons and gourds are treated with the same methods and apply identical preventive measures. To this end, weeds are removed in a timely manner, as well as the beds are cleaned from plant residues.

To strengthen the bush, shoots affected by the disease are cut off. It is important to carry out moderate watering of the soil in order to prevent stagnation of water or severe drying out.

As a pre-sowing soil preparation, deep digging and autumn tillage are provided. In addition, a disinfecting treatment of seeds is carried out before sowing. Formalin aqueous solution (40%) may be used.

Compliance with crop rotation is considered a prerequisite for the normal development of planted plants. In order to prevent waterlogging of the soil, melons are planted on high beds.

During the ejection of buds, the beds are treated with water with the addition of potassium chloride. To prevent infection with pathogens, it is necessary to loosen the soil and remove weeds.

To prevent and treat plants, acaricide preparations containing phosphorus or sulfur are used. Today, a biological method of control is also used by breeding a small fly phytomisa. Its larvae eat parasitic organisms during growth.

From chemicals used for spraying melon plantings:

• Karbofos (70 g of the product is added to 1 bucket of water).
• Aktellik (solution of 3 ml of the drug in 1 bucket of water).

If you want to treat the beds with chemicals, use laundry soap dissolved in water. It is enough to grate 1/3 of the bar and dissolve in 10 liters of water.

How to understand that the melon is gone?

You can understand that the melon has disappeared by external signs during the fruiting period: the fruits have a soft peel, dark spots, dents, cracks and punctures on it, the ripening time in this case changes, the liana dries. The fruit without mechanical damage on the peel is tastier.

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