Cabbage white butterflies - the dangerous wrecker for cabbage, turnip, swede, horse-radish, garden radish. Though butterflies also do not eat above-mentioned vegetables, however their posterity - caterpillars, never wish to regale on the cultures of family cruciferous.
How to save cabbage from butterflies of cabbage white butterflies
To save harvest from butterflies, it is insufficiently simple to process once vegetables special solution, it is necessary to follow preventive measures also. To lower infection with cabbage white butterflies of bed with cruciferous cultures, it is necessary:
- after harvesting it is obligatory to remove the remains of cultures (leaves, tops of vegetable), to dig over beds;
- once a week to examine cultures (especially lower part of foliage) on availability of larvae;
- not to put cruciferous cultures closely to each other;
- to cover beds with cabbage the mesh material which is passing sunlight and air;
- to plant marigold on bed perimeter (however during setting of heads of cabbage to get rid of flowers).
Than to process cabbage from butterflies of whiteflies
For scaring away of cabbage white butterflies it is possible to use various infusions of herbs and odorous substances. Butterflies do not transfer strong smells therefore spraying of vegetables by special structures is very good preventive method from whiteflies. The following infusions and solutions suit for obratka of cabbage:
- one kilogram of tomato tops of vegetable which is filled in with three liters of water and infused 12 hours;
- 50 grams of the ammonia solution dissolved in 10 liters of water;
- 25 ml of the valerian dissolved in three liters of water;
- 500 grams of pine or fir-tree needles infused within 10 hours in water bucket.
It should be noted that for more effective effect of solutions it is necessary to add liquid soap in calculation to them tablespoon on five liters of the prepared structure.
Than to process cabbage from butterflies and caterpillars
If preventive measures have not helped, and butterflies nevertheless have postponed larvae for cabbage, then in this case it is necessary to pass to industrial insecticides. Have perfectly proved the following medicines: Detsis, Aktara, Aktofit, FAS and the Spark (from caterpillars).