The caterpillars eat the holes in the cabbage and eat the leaves. Talked about pest control methods mk.ru.
The easiest way to deal with caterpillars is to collect them by hand. From the end of April and throughout May, once or twice a week you need to inspect the cabbage plantings and independently remove the egg laying and caterpillar accumulations.
Among the preventive measures, experts distinguish effective: regular removal of weeds of the cruciferous family, planting in the aisles, the aroma of which repels cabbage whites: sage, marigold, mint, tansy and attracting birds. Also, the shelter of cabbage plantings with a mesh of small cells will come to the aid of gardeners. The material will not give females the opportunity to lay eggs on cabbage leaves.
It is also stated that the lifespan of a caterpillar is between 13 and 38 days. During this time, they can leave the cabbage unplanted without much effort.
an expert before announcedHow to make a pink hydrangea out of blue.