Rules for processing cucumbers with Bordeaux liquid
The processing of cucumbers with Bordeaux liquid has been known for a long time. Due to its availability, ease of preparation and use, as well as fairly good efficiency, the mixture is in demand among many gardeners.
Rules for processing cucumbers with Bordeaux liquid
Bordeaux liquid is the world's first fungicide that was randomly created in France at the end of the 19th century.
Advantages and disadvantages of the method
The benefits include:
- availability and low cost;
- long-lasting lines of protection (adheres well to plants);
- effectiveness of action;
- versatility of use (treatment and prevention);
- safe for insects pollinating the plant.
The disadvantages are:
- if it enters the human body, the mixture is hazardous to health;
- cooking requires strict adherence to all the rules and proportions (an improperly prepared mixture can bring great harm to cucumbers).
Indications for use
Bordeaux liquid for different varieties of cucumbers is an excellent remedy for the treatment and prevention of many diseases. It should be mentioned that this method is quite long-term, since this agent adheres well to plants. It must be remembered that Bordeaux mixture cannot be used when mixed with other preparations.
The first spraying of cucumbers can be carried out only when the plant already has 2-3 true leaves. The procedure must be repeated at intervals of 10-12 days 2-3 times. The last time to process cucumbers should be 25 days before harvesting the fruits.
Basic rules la
- It is best to spray in the morning and evening.
- To avoid leaf burns, treatment is strictly prohibited in rainy weather, during strong dew and heat.
- You should try to spray the cucumbers in such a way as to minimize the ingress of liquid onto the soil near the plants.
Treatment
The mixture is used to treat copperhead disease, bacteriosis, olive spot, downy mildew (peronosporosis), antakarosis, septoria and other types of spotting.
In case of anthracnose disease, you should immediately start spraying the cucumbers. This should be done every week and stopped a week before harvest.
For the purpose of treatment, cucumbers should be sprayed with a 3% solution, and in the future - only with a 1% solution. On an area of 10 sq. m. use about 1.5 - 2 liters of the finished mixture.
Prevention of various diseases
Treatment will protect the plants
Fungicide protects cucumbers well from clasterosporium disease, scab and fruit rot. To do this, it is necessary to process the plants in early spring.
Bordeaux liquid is an excellent preventive measure for cucumbers. For this purpose, spraying is carried out on the surface of the leaves evenly on both sides.
Mixing rules
The proportions for the preparation of a 1% mixture are as follows: for 10 liters of water (preferably rainwater), it is necessary to use 100 grams of lime and copper sulfate. It is best to use a wooden, glass, or earthenware container. A mixture prepared in a metal or enamel bowl, due to reaction with metal, will lose all its useful properties.
Mixing
The mixing procedure takes place in 2 containers: in the first, copper sulfate is combined with 5 liters of water, in the second, the same is done with lime. The optimal water temperature for this procedure is 30-40 degrees. The prepared solutions should be filtered, only then they should be connected together.
It is important to remember the sequence: a solution of copper sulfate should be slowly poured into limestone, stirring constantly. A reaction will occur and the mixture will turn bright blue.
To prepare a 3% solution, only the proportions of the components should be changed. For 10 liters of water, you will need 300 grams of copper sulfate and 400 grams of lime. The cooking technology remains unchanged.
Preliminary check
Before you start treating plants with Bordeaux liquid, you need to check it for correct preparation and the amount of copper sulfate in the composition. To do this, use a litmus paper or a steel object, which must be lowered to the bottom of the container with the mixture.
If the amount of vitriol in the prepared mixture exceeds the norm, a reddish bloom will appear on the metal. This means that lime must be added to the solution. After that, you need to do a second check.
Security measures
The mixture is quite toxic to the human body. When working with it, you must use protective equipment: gloves, protective clothing and a hat.
- If the particles of the substance enter the stomach, the person will feel weakness, pain in the abdomen, and vomiting may begin.
- With severe poisoning, heart pain and cramps may appear.
- When particles enter the body by inhalation, a person's temperature rises, sweating, vomiting, and headaches are observed.
At the first symptoms of administration, you should immediately consult a doctor.
Conclusion
The mixture is a fairly affordable tool for the prevention and control of many diseases of cucumbers. Its components can be purchased at any hardware store. Despite its simplicity and availability, this fungicide in action is not inferior to many modern means.