Cabbageworm, fighting methods

Butterfly cabbage scoopsButterflies of cabbage scoops can vary considerably in size. The length between the outstretched wings of the pest is up to 5 centimeters. Front wings are brownish gray, bright, have two broken white spots. The edges of the wings can have the form of teeth with strips of yellow-white or white. Behind the wings are gray or dark gray. On the front legs of pests, you can see spurs when you look closely. Butterfly scoops fly mainly at night, they are attracted by sugar, light and flowers, which are rich in nectar.

A cabbage scoop for a season can breed three numerous offspring. The number of generations depends on the weather and the habitat of the cabbage scoop. In the northern regions of the country pests can only get one generation, however, in the southern regions - as many as three. Observe the flights of these butterflies can be from the first of May to the end of October.

The female under favorable conditions is able to postpone up to 2700 eggs, which she masks under the inner side of the leaves. After a while there are caterpillars, which are the main pests of cabbage. The color of the caterpillars can vary - from green to brown. The body of the caterpillar of the cabbage scoop is covered with dark spots. Through difficult conditions of survival these pests can winter as a dolphin or as a larva. They hibernate in the ground, burrowing to a depth of up to 10 centimeters.

Caterpillars feed on cabbage leaves throughout their life, but they can also get into the heads. They pollute the vegetable with excrement, as a result of which it spoils and decays, and also has holes and the fruit becomes not commodity. Basically, the scoops eat cruciferous or cabbage plants. But in addition to these species, the pest can devour and many other plants.

Caterpillars eat about 70 plants, among them: cabbage, apple, columbine, spinach, lettuce, pear, hemp, radish, tobacco, rhubarb, potato, buckwheat, sunflower, pear, peach, plantain, henbane, cloves, chrysanthemum, peach, rhubarb and others.

How to deal with cabbage scoop

The fight against pests at an early stage of their development will allow you to save the crop. One of the simplest methods are pheromone traps, which are hung from May to early September. This method allows you to destroy butterflies of two generations of pests. During the day, butterflies are difficult to find, and at night they fly out for mating and laying eggs.

Using traps, you will achieve:

- find a cabbage scoop at the location of the trap.

- by the number of butterflies you can estimate the size of the population, and with a large number you will be forced to use an insecticide to destroy them.

If you install a large number of traps, you will catch a large number of scoops, thus limiting the development of their population in this area.

Also, for plowing protection, plowing plowing is used, it is possible to cultivate the aisles during mass pupation, to destroy flowering weeds, and also to use insecticides. Biological enemies of pests are Trichogramma, which destroy the eggs of the scoop.

Of the preparations for pest control, it is worth mentioning: Lepidotsyd, Dypel, Actellik, Zeta, Carbofox, Phytoverm and others.



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