Processing cucumbers Bordeaux liquid known for a long time. Due to its accessibility, ease of preparation and use, as well as fairly good efficiency, the mixture is in demand among many gardeners.
- Advantages and disadvantages of the
- Indications for use
- Basic Rights la
- Treatment <
- Prevention various diseases
- Rules for the preparation of the mixture
- Mixing
- Preliminary check
- Security measures
- Conclusion
Rules for processing cucumbers with Bordeaux liquid
Bordeaux liquid is the first in world fungicide which was randomly created in France at the end of the 19th century.
Advantages and disadvantages of the method
Advantages include:
- accessibility and small cost;
- long lines of protection (holds well on plants);
- effective action;
- versatility of use (treatment and prevention);
- safe for insects pollinating the plant.
Disadvantages are:
- when it enters the human body, the mixture is dangerous to health;
- preparation requires strict observance of all rights and proportions (incorrectly cooked mixture may bring great harm cucumbers).
Indications for use
Bordeaux liquid for different varieties of cucumbers is an excellent tool for the treatment and prevention of many diseases. It should be mentioned that this method is quite long-term, since this tool is well kept on plants. It must be remembered that the Bordeaux mixture can not be used when mixing with other drugs.
The first spraying of cucumbers can be carried out only when there are already 2-3 true leaves on the plant. 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 picking the fruit.
Basic rights la
- It is best to spray in the morning and evening.
- To avoid leaf burns, processing is strictly forbidden in rainy weather, during severe dew and heat.
- You should try to spray the cucumbers so as to minimize the ingress of liquid onto the ground near the plants.
Treatment
The mixture is used to treat copperfish, bacteriosis, olive spotting, downy mildew (peronosporosis), anta carosis, septoria and other types of spotting.
If you have anthracnosis, immediately start spraying cucumbers. This must be done every week and stopped a week before the harvest.
For the purpose of medical treatment, the cucumbers should be sprayed with a 3% solution, and subsequently only 1%. On an area of 10 square meters. m. they use about 1.5 – 2 l of the finished mixture.
Prevention of various diseases
The fungicide protects cucumbers well from claustosporiosis, scab and fruit rot. To do this, you need to process the plants in early spring.
Bordeaux liquid is an excellent preventive measure for processing cucumbers. To this end, spraying is carried out on the surface of the leaves evenly on both sides.
Rules for preparing the mixture
The proportions for the preparation of a 1% mixture are as follows: 10 liters of water (better rain) it is necessary to use 100 grams of lime and copper sulphate. It is best to use a wooden, glass or clay container. A mixture prepared in a metal or enameled container due to the reaction with the metal will lose all 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 temperature for this procedure is a water temperature of 30-40 degrees. The prepared solutions should be filtered, only then they should be connected together.
It is important to remember the sequence: the solution of copper sulfate should be slowly poured into the lime, constantly stirring. A reaction will occur, as a result of which the mixture will turn a bright blue color.
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 proper preparation and the amount of copper sulfate in the composition. To do this, use a litmus test or a steel object that 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 coating will appear on the metal. This means that lime must be added to the solution. Then you need to re-check.
Safety Precautions
The mixture is quite toxic to the human body.When working with it, it is necessary to use protective equipment: gloves, protective clothing and a hat.
- If particles of the substance get into the stomach, a person will feel weakness, abdominal pain, vomiting may begin.
- With severe poisoning, heart pain and cramps can occur.
- If particles are inhaled, the person rises in temperature, sweating, vomiting, headaches.
At the first symptoms of administration, you should immediately consult a doctor.
Conclusion
The mixture is tsya sufficient means available for the prevention and control of many diseases of cucumber. Its components can be purchased at any hardware store. Despite its simplicity and affordability, this fungicide in action is not inferior to many modern means.
