At cabbage there are a lot of wreckers. To receive big crop of this useful and tasty vegetable, it is necessary to know in what ways it is possible to fight against them. And also there will be no preventive measures superfluous and.
Among wreckers of cabbage plants very first there are cruciferous flea beetles. Not to allow invasion of these insects, cabbage is strewed with mix from tobacco dust, ashes or lime in proportion 1:1. Besides, young plants can be oprysnut carbophos solution, spending 2 g of substance for 1 l of water. In about 5 days the procedure needs to be repeated.
Cabbage flies are the most dangerous to cabbage. Them lyot begins in May, and then in July. These wreckers lay on root neck of cabbage eggs and also on the lower part of stalk and in top layers of the soil near cabbage plants. In several days eggs leave white larvae which immediately bite into root and the lower part of stalk. At serious invasion of cabbage fly the harvests can die completely. Not to allow it, it is recommended to hold the next events: around neck of plant it is possible to fill mix from naphthalene, sand and ashes. Also use the lime slaked lime mixed with kreoline in the ratio 20:1. Not bad tobacco and road dust works as protection. Preventive measure against cabbage fly is high earthing up of plants. It causes growth of additional roots, and the plant becomes stronger and stronger. At detection of larvae on cabbage it is necessary to carry out spraying by carbophos 2 times at an interval of week.
Wreckers of cabbage are also caterpillars of butterflies. For example, green caterpillars scoops, gnawing through leaves, reach core of head of cabbage. They not only damage it, but also pollute the ekstrement. Caterpillars of the white butterfly, flavovirent with dark stains, strongly eat around cabbage leaves, leaving only rigid streaks. The heads of cabbage damaged by these wreckers badly develop, and sometimes at all perish. The main measure of fight against them is regular survey of plants and if necessary - destruction of eggs and caterpillars. It is possible to use ashes infusion for spraying. For this purpose in the evening in 10 l of water dissolve 1 glass of ashes and insist till the morning. Spraying is carried out prior to the beginning of summer of butterflies.
At damage of cabbage of plant louses, on plant it is possible to observe the leaves twisting from top to bottom which get pink shade over time. From folk remedies against this wrecker it is possible to use the following infusion: within a day infuse in hot water mix from tobacco and ashes. Take on 200 g of each substance on 10 l of water. Then infusion is filtered and add laundry soap for glutinosity. Spraying is carried out on bottom side of leaf.
Carrying out preventive measures against wreckers, it is possible to keep cabbage harvest.