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Seasonal plant treatments with copper sulfate

copper sulfate for garden plants Copper sulfate is used by gardeners to treat plants against fungal and viral diseases. Cultivated plants with external signs of copper starvation are also sprayed with a solution of copper sulfate..

For dressing use solutions of low concentration of the active substance (2-3 g per 10 l of water). Top dressing is carried out during the formation of the ovary and in the summer. Plants with yellow curled leaves are sprayed with this solution every 10 days for a month. After treatments with copper sulfate, the color of the leaves will turn green.

Using a solution of copper sulfate in the preparation of “Bordeaux” liquid

To treat plants from fungal and viral diseases, it is necessary to prepare a disinfecting solution of copper sulfate. The percentage of copper sulfate in such solutions is 0.5% –1%. The concentration is chosen based on the condition of the plants and the degree of damage to their leaves by the fungus.

Copper sulfate solution is a strong fungicide. He will help to cope with:

  • with scab;
  • anthracnose, clasterosporium and other spots;
  • curly peach;
  • rot;
  • viral diseases.

Such a remedy is used to combat aphids, leafworms and weevils..

To increase the effectiveness of treatments with copper sulfate, you can mix the solution of the drug with lime. You will get a suspension of the consistency of liquid sour cream, which will linger on the branches and trunk of trees – “Bordeaux” liquid.

If you add 700 g of carbamide to 10 liters of a half-percent copper sulfate solution and treat the plants with this agent in early May, then you will disinfect and delay the blooming of flower buds for a week. This will allow you to wait out the spring frosts and carry out the first nitrogen fertilization, which means you will get a good harvest..

For the preparation of a fungicidal solution, a powder of a coarse or fine fraction is used. The crystals of the drug must be well dissolved in water..

What plants can not be treated with copper sulfate

Spring treatment with the drug is carried out for fruit trees, strawberries and blueberries. Such plants are not treated with a solution of copper sulfate:

  • chokeberry;
  • irgu;
  • viburnum;
  • black negus gooseberries;
  • honeysuckle;
  • blackberry.

These berry bushes have strong immunity, so they are not prone to rot and viral diseases..

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