Bordeaux mixture - a well-known and loved by gardeners drug.Use it for over a hundred years.For the first time this substance was used to combat fungal diseases of grapes.However, over the years it has established itself as a very good tool for the treatment and also a lot of other cultures.In particular, apply Bordeaux mixture for tomatoes.
When used Bordeaux mixture
It so happens that the bushes of different varieties of tomatoes begin to dry from the root to rot.This happens often before the plant has had time to collect the fruit, the result can be completely deprived of the harvest.This - a consequence of the disease, which is called "late blight".To combat it is recommended to use copper preparations.Perhaps the most effective of these is precisely the Bordeaux mixture for tomatoes.This tool is referred to as fungicides - a drug used to combat fungal diseases of various crops.Treat them vineyards, fruit trees (eg, apples and pears), vegetables and ornamental plants.From vegetables Bordeaux mixture is used for tomatoes, cucumbers, and many others.With it is possible to get rid of garden plants such diseases as macrosporiosis and blight.Since the solution of Bordeaux mixture hardly kept, it is better to buy in the form of the components and breed on their own.
How to prepare Bordeaux mixture
The structure of this material consists of two components: copper sulfate and hydrated lime.The secret preparations is that they must be mixed with water separately, and joined together in the form of a solution.Typically used for tomatoes Bordeaux mixture in a concentration of 1% or less (0.5 or 0 to 75 percent).To make a one percent solution in an amount of 10 liters, taking 100 grams of copper sulfate and a slightly greater amount of lime (about 150 grams).This is to ensure that the resulting mixture gave an acidic reaction, which is characteristic of sulfate.Copper sulfate is dissolved in a small amount of warm water (about a liter), and then water is added to the total liquid volume was 5 liters.In another vessel the lime dissolved in 5 liters of water to obtain a so-called lime slurry.Dishes can only use glass or plastic, metal is not suitable.Further, the lime solution is poured a thin stream of vitriol dissolved, stirring occasionally.The finished material is necessary to drain and use immediately.The color of the mixture is to be a turquoise sky.If the substance is sold in the store, it is applied to the guide explaining how to breed Bordeaux mixture.It is also advised to check the resulting solution to acidity.The fact that such a reaction liquid may spoil the leaves of plants.Therefore, in the liquid for 3 - 4 minutes lowered nail.If it is covered by a reddish patina, it indicates the presence of acid.Then you need to add a little more milk of lime.
How to apply Bordeaux mixture for tomatoes
solution was sprayed with a bed on which tomatoes planted bushes, at the first sign of the disease.Use of from 5 to 10 liters per 100 square meters.It is recommended to repeat the treatment again after about 10 or 15 days.The maximum number of treatments per season must not exceed four.
We must not forget that the Bordeaux mixture is poisonous to humans and animals.Therefore it is necessary to use protective equipment (gloves), thoroughly wash hands and face.Before eating fruits should be thoroughly washed and sprayed green bushes should not be given to cattle feed.