Cruciferae flea: methods of struggle
Sooner or later, any trucker has tocollide with pests that encroach on its harvest. Aphids, a bear, caterpillars, slugs, weevils, a Colorado beetle ... The list can be continued if not infinitely, then very long. One of the most common pests, which causes a lot of trouble for gardeners, is cruciferous flea.
The cruciferous flea nourishes a special weakness for cabbage, radish, radish, rape, mustard, turnip - in general, to to the plants of the Cabbage family. Thanks to gastronomic predilections, the cruciferous flea and got its name - before the Cabbage family was called Cruciferae.
Cruciferous flea winters in the surface layersoil. It awakens in the early spring, as soon as the soil recoils, and already then the truck farmers need to be fully armed. First, while the seedlings have not yet risen, the cruciferous flea will feed on weeds from the Cabbage family - a shepherd's bag, rape, etc. Then it switches to seedlings and sprouts of cabbage vegetables. Cruciferous flea gnaws small leaves in leaves, as a result, the leaves wither and the plant dies.
How to deal with cruciferous flea? The best method of struggle is prevention. Since early spring, regularly weed out cabbage weedsso that the flea can not spread from them to your garden. The cruciferous flea grows particularly intensively in hot and sunny weather, so in such weather it is necessary cover the beds with transparent non-woven material, allowing air to pass through.
If you zazevalis, and the fleas still appeared on your site, you will have to fight them. For struggle apply spraying with folk remedies or chemical preparations. Chemicals are more effective, but more harmful. So choose you.
One of the most common folk methods of combating the cruciferous flea - spraying plants "at risk" with ashes, dusting with tobacco dust, ash or black pepper, tansy or celandine powder, a mixture of tobacco dust and ash or hydrated lime (the mixing ratio is 1: 1 or 1:2, per square meter of garden requires 20-30 g of mixture). But you need to carefully process the top and bottom of the leaves, treatment should be at least three times, the interval between treatments - 4-5 days.
In addition to tobacco, cruciferous flea is afraid of other plants of the Nightshade family, for example, tomatoes. So for pest control you can use decoction of tomato leaves. It is necessary to take 2 kg of dry leaves or 4 kg of stepsons(crushed fresh green leaves) and soak in 10 liters of water for 4 hours. Then you need to boil the tops on low heat (half an hour for dry leaves, 2-3 hours for fresh), cool and drain the broth. Before spraying it should be diluted with water in a proportion of 1: 1 or 1: 2 and add soap (40 grams per 10 liters of diluted broth).
Some truck farmers spray plants vinegar solution. To make it, you need to dilute 0.5 liters of 9% vinegar or 1-2 tablespoons in 10 liters of water. 70% of acetic essence. The resulting solution is sprayed with beds with plants in dry weather.
Of the chemicals most commonly used bank or actellic. Strictly speaking, bancol is a biopreparation, itsthe basis is a substance that is extracted from marine annelids. Actellik dissolved in water (20 ml of the drug per 10 liters of water), spraying 10 square meters of the garden leaves a liter of solution. You can also use kemifos, fufanon, decis, intavir and other insecticides. Sprinkle plants in the evening, no later than 20 days before you are going to harvest. If you want to eat salad or radish in early summer, it's better to do with folk remedies.
You can also use it to fight the cruciferous flea glue traps. Between the plants you need to spread out the greased plywood leaves. The flecks stick to them like flies to a sticky tape.
To protect yourself against the invasion of fleas in the next year, you need in the late fall, thoroughly dig up the soil on the beds where cabbage crops are grown. The cruciferous flea hibernates in the upper layers of the soil, so when digging, you turn the insects to the surface, and they die with the first colds.