Aphids on zucchini: how to process and spray, how to get rid of a photo

Gardeners who first discovered aphids on zucchini do not know how to treat the plants. To protect them, chemicals, folk remedies, manual collection of pests are used. The result of these actions can be improved if preventive measures against insect invasion are carried out in a timely manner. After all, they can safely survive the winter, eat weeds, and in the summer move to the leaves of zucchini and suck the juice out of them.

Reasons for appearance

Zucchini is most often affected by melon aphids. Its larvae spend the winter among weeds, and with the onset of spring at temperatures above +12 ° C, they begin to multiply actively.First, pests feed on weeds, then they switch to vegetable crops. Aphids develop well with the onset of warm and humid weather.

The following signs will help you recognize an attack by these insects:

• twisted foliage;
• withered buds;
• light shed aphid shells and sticky goo;
• many larvae on the back of the leaf;
• the appearance of a large number of ants in the greenhouse.

Pests pollute the surface of the foliage of zucchini, disrupting their development and nutrition.

What aphids look like on zucchini

Aphids populate bushes from July-August. Outwardly, it is dark green, even black is found. The length of the pests is from 1.5 to 2 mm. They feed on the juice from the leaves, which immediately begin to curl, and the flowers and ovaries fall off.Insects live on squash leaves in colonies that can grow very quickly and dot the entire foliage.

Processing methods

How to spray zucchini, gardeners decide after finding a lot of pests. But it is better to prevent their development long before planting. In autumn, the remains of the harvest are burned, fires are made in the beds where the aphids were found.

Don't plant the same crops every year in the same place. Between them it is worth planting plants whose smell will scare away pests. It is recommended to dig up the earth twice - in autumn and spring.

Outdoor

Not taken timely measures to destroy insects lead to the cessation of the growth of vegetables. Aphids carry pathogenic microbes that affect the entire culture. There are several methods for dealing with aphids:

1. The larvae are picked by hand, diseased leaves and flowers are removed and burned, sticky traps are placed, pests are washed off with water.
2. Plants that like hoverflies, earwigs, lacewings are planted nearby. Bird feeders are placed on the garden plot.
3. Complex fertilizers are applied, plants are regularly watered and weeded.
4. Zucchini is treated with chemicals.
5. Vegetable crop is sprayed with herbal infusions, solutions with ash, soap or soda.

Attention! For planting, varieties of zucchini should be selected that are more resistant to aphid invasion (Aeronaut, Partenon, Gribovsky). Their dense dark green leaves suffer less from pests.

In the greenhouse

Greenhouse zucchini require protection in the form of prevention. Her methods include compliance with the norms for top dressing, maintaining optimal humidity up to 80% and temperature up to 25 ° C, thorough destruction of weeds.

In the greenhouse, you need to remove a 5-centimeter earthen layer. Experts recommend changing the greenhouse soil completely every 5 years. Glass parts should be washed with copper sulfate, wooden parts should be whitewashed. Inside, you need to light a sulfur bomb.

Attention! Before trying to kill aphids in a greenhouse, you need to get rid of the ants.

Drugs

There are many good remedies on offer today. Their correct application will protect the site and destroy insects in 24 hours. The procedure is carried out when there is no rain and wind, as the poison can be washed away or blown away.

Chemical

You can treat zucchini with chemicals. When the plants are actively growing, it is allowed to spray them with a 1% solution of copper sulfate.

How to process plants, gardeners decide.But if the aphid crop is heavily overwhelmed, it is effective to use Karbofos, Aktara, Tanrek, Kinmiks. The solution is prepared before use. At the same time, it is important to observe a time period of 20 days between processing and harvesting.

Folk remedies

Among experienced gardeners, the following infusions are most common to help get rid of insects:

1. Wood ash (2 cups), laundry soap (70-100 grams), water (10 liters).
2. Tobacco (50 grams), soap (10 grams), hot water (1 liter).
3. Onion (70-90 grams) or garlic (40-60 grams), warm water (10 liters).
4. Celandine (1 kilogram), boiling water (2-3 liters) - later hot water (7-9 liters).
5. Yarrow (800-900 grams), boiling water (2 liters), hot water (8 liters).
6. Green dandelion leaves (400-500 grams), hot water (10 liters).
7. Tomato tops (1 kilogram), water (10 liters). Needs to be boiled. Then dilute up to 3 times.
8. Potato tops (fresh - 1200 grams, dry - 60-80 grams), water (10 liters).

Will fertilizer help against aphids?

Zucchini with resilient, strong and dense leaves resist pests well. In order for the plants to gain strength, regular watering and phosphorus-potassium fertilizers are necessary. The following complex top dressings will help to increase the resistance of a vegetable crop:

1. Agricola-5 increases resistance to disease and bad weather. The drug can be sprayed on the roots and foliage 5 times a year. The advantage of fertilizer in an environmentally friendly composition.
2. He althy Turbo helps to absorb nutrients perfectly. Used watering the roots every 2 weeks. The product contains many useful substances.
3. Clean leaf accelerates plant development and resistance to infections, insects. Fertilizer can be applied dry, as well as in the form of a solution under the root or on the foliage. The advantage of fertilizer is compatibility with organic preparations.
4. Multiflor builds culture immunity, increases growth, nourishes the roots. It is used in the form of root and foliar dressings. The advantage of using is a small expenditure and complete assimilation of all elements.

Precautions

For the safe use of folk remedies and chemicals, you must adhere to the following recommendations:

• use personal protective equipment - gloves, closed clothing, respirator;
• do not exceed the indicated dosage;
• do not eat vegetables for 10 days after spraying.

The main mistakes in the fight against aphids

To effectively deal with insects, you must follow these rules:

1. Unnecessary plants from greenhouses must be removed. After all, aphids especially like to use weeds for wintering.
2. When buying seedlings, you should first check for pests. Otherwise, there is a risk of self-introduced aphids to the site.
3. Nitrogen fertilizers, useful for the growth of the green part, should not be applied in excessive quantities. Too powerful foliage can attract other unpleasant parasites.
4. No need to plant zucchini near bird cherry, viburnum and linden. These crops are also chosen by aphids for wintering.

Aphids on zucchini are not easy to defeat. The combination of all available methods is able to protect plants from the reproduction of pests. If you carry out prevention in the fall and spring and follow the rules of the fight, you can not meet these insects in your garden at all.

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