About copper wire, German technology and tomatoes

Gardeners world is divided into those who use the copper wire against Phytophthora, and those who think it is shamanism, obscurantism, and so on. N.

So I'll start with the science. Her respect and those and others.

About the German patented technology

The Germans have shown that if the winding copper wire tomato roots before planting the seedlings into the soil, reduces the risk of Phytophthora plants. The length of each piece of wire for a winding of about 50 cm, thickness 0.5 mm

Of course, not everyone will be able to gently wrap the roots, so there is a simplified recipe of German scientists. Putting in the area of ​​the roots of the copper foil, a small piece. Or tie indeterminate tomatoes copper wire.

The essence of the basic method is that the nutrient solution rising from the roots, is an electrolyte. He "prihvatyvaet" root zone of copper ions. Phytophthora in the presence of these ions dies.

about late blight

What is known about late blight?

Here fungus Phytophthora hit the wet sheet at a temperature of + 10 ° C to 15 ° C. So that he could settle down you need to 2-7 hours, the sheet was wet. Bush have time to dry for this time - a fungus weaken, and the temperature rises to 30 ° C die. No sooner - Phytophthora breathing through the stoma plate in sprout tissue.

There are about 40 species of Phytophthora fungus. The well dry-heated greenhouse, any of them will die within 1-2 hours. Save can only debate.

Fungus penetrates into the roots, fruits, leaves, their spores remain on the seeds, thrive on the surface of the wet soil.

In the 70-ies appeared most dangerous fungus Phytophthora, it propagates at a temperature of from 3 ° C to 27 ° C, at a lower humidity level, and multiplies rapidly.

Now, back to copper.

Unlike our old-fashioned way

In Russia, many copper wire with a diameter of 1 mm, pierce the trunks got stronger tomatoes. There are several variants, the wire anyway, carefully trimmed:

• During 2 weeks before transplanting into the soil or after 2 weeks, inner barrel is pierced by transverse through the backsheet. So that the plant has had time to recover from stress.
• Similarly pierced in the region of 5 to 10 cm from the soil with adult bush fruits anytime before fitoftornogo period. The resulting plant stress find it useful.

There are other options. Many satisfied, confident that copper saves their tomatoes from late blight.

And not a little evidence that the antiquated method does not work. This is easily explained by the fact that the epididymal situation is different.

My opinion

I am none of the above methods are not going to use.

• Copper in the fruit may be larger MAC (maximum allowable concentration).
• A similar planned amount of copper is easier to deliver to the leaves and fruits using copper sulfate. I have to poisons in the garden is not at all the soul
• There is a great alternative - the temperature. I liked the board for an hour to close the greenhouse in a dangerous period in the sun. Warm air of 35 ° C, all Phytophthora die. If there is heat in the greenhouse, turn it on. No copper excess and questionable.

I interested in your opinion.

I would be grateful for a subscription and share your experiences :)