Bean pests: how to deal

In order to provide the necessary protection of beans from pests, you need to know exactly how to deal with them. Sometimes the most proven and effective measures lose their power, because pests develop immunity to them. But it also happens that it is enough to observe only preventive measures. One of the important factor is the ability to identify a particular pest on your site. Today we will talk about what the main pests of beans exist. We will learn how to identify them and take preventive measures.

Bean pests: fighting the weevil

If you notice small black beetles on a bed of beans, do not hesitate - this is a caryopsis. A very voracious insect capable of destroying half of the crop. The grains pose the greatest danger after harvest, when the legumes have already been sent for storage. This pest is dangerous not only for beans and beans. Insects appear as soon as the air temperature warms up to 10 degrees. The lifespan of a caryopsis is similar to that of legumes. After the beetle wakes up, after the winter sleep, it is very active and immediately begins to destroy beans and beans. The bean pest lays its clutches at the same time, with the appearance of the first bean fruits. The hatched larvae feed on grains, they are completely eaten from the inside. She caryopsis lays more than 50 eggs. All of these pests feed on legumes, and can take over an entire garden at lightning speed. In order to grow, the larva takes several weeks, during which time it is able to destroy the entire crop. Only low temperatures and special preparations that are sold in every store for gardeners and gardeners can kill this pests of beans.

Bean pests: root weevil

This bean pest survives in all climatic zones, with the exception of the extreme north and tundra. The female weevil is extremely fertile. She is capable of producing over 800 eggs in one clutch. In rainy weather, beetles fall into the ground, where weevil larvae will calmly grow. The most favorable period for the appearance of this pest is heavy rains and rather damp weather. In severe drought, the weevil is not capable of grazing and multiplying. Tubers and roots of legumes go to feed the weevil, they do not touch the fruits. A month after the female has laid the clutch, fully adult and sexually mature beetles appear. It is not difficult for a pest of beans to move from one plant to another, gradually the whole garden with legumes becomes in the power of the weevil. The hibernation period for this insect begins only with the onset of frost. They usually hibernate in the upper layers of the soil. In the spring they become active and threaten the new bean crop.

Prevention and control of the bean weevil pest: - we try to sow beans at an earlier date, before the pest awakens; - in the fall we dig up the soil and sprinkle it with lime.

Insidious Whitefly

Whitefly is an insect vaguely similar to a moth. In the warm season, this bean pest can also be found in the open field, then it gradually moves to greenhouses and greenhouses. Whitefly destroys only young shoots of legumes. Since the leaves of the sprouts are very tender and juicy. Defending against this pest is pretty simple. Beans should be sown earlier. If you notice the presence of an insect in the greenhouse, then you should thoroughly ventilate the room. In addition to these three pests, aphids and slugs can attack beans, I fight these pests with the help of special products from a garden store.

Leaves affected by bean pests: photo