Bordeaux mixture on fallen leaves
In these days the garden is literally invaded by leaves, which fall on our lawns and become a problem for us. Some think that the best solution is to collect and burn them, others throw them together with green waste and still others amass them in shapeless heaps waiting for nature to take its course and decompose them.
Another possible solution is that which nature itself suggests: the leaf falls to the ground near the plant to bring back to the soil a part of the nutrients that have been used to build it (nitrogen, carbon, water, etc.)
In the garden things are not so simple, it is absolutely inappropriate to leave the fallen leaves on the lawn, because in short our grassy carpet would be supplanted by decomposed vegetable matter, moss and mud.
We can, however, gather the leaves at the foot of the trees and perhaps mulch hedges and shrubs, scattered on the ground where grass usually does not grow.
This could lead to a small phytopathological risk, in particular conditions of temperature and humidity, spores and larvae could find a very favorable environment for wintering. Consequently a peach tree affected by the peach bubble (Taphrina deformans) would present the same problem the following year, perhaps in a higher percentage.
However, there is a simple and practical solution: spray the leaves with the Bordeaux mixture.
There Bordeaux mixture It is a preparation with fungicidal action, widely used in fruit growing and viticulture. Excellent in winter treatments, to fall leaves and allowed in organic farming.
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Method of treatment
You can buy a preparation based on Bordeaux mixture already ready to use in any agrarian or specialized shop.
Follow the instructions and prepare the mixture, sprinkle the leaves abundantly at the base of the tree and then pass to the trunk, carefully spray the lower part near the roots and make sure that the preparation penetrates the fissures of the bark; then move on to the rest of the trunk and to the branches.
In this way you will protect the plant for the whole winter from the parasites that nest under the bark and at the same time will make the leaves “harmless” which subsequently decomposing will release nutrients (copper is also a useful element for the growth of the plant).
Even if the mush is allowed in organic farming Bordeaux it is still an irritating product; always perform treatments with mask gloves and eye protection. Let's defend ourselves first and then defend the plants.
How to prepare the Bordeaux mixture
If you want to prepare the Bordeaux mixture you will first need to equip yourself with a shoulder sprayer with a capacity sufficient for the treatment you need to do or at least a capacity proportionate to the treatment to avoid losing too much time filling the pump and redoing the pump every time. mush. For localized treatment on small plants, 1-2 liter pumps may suffice, while for gardens shoulder pumps are required. If the surfaces increase, on the other hand, car barrels with larger dimensions and therefore ideal for optimizing time and work on large surfaces can become indispensable. Once you have chosen the treatment tool, you will have to prepare the mixture with the Bordeaux mixture. Generally it is not anything complicated and it will be enough to buy a product and follow the instructions on the labels. Make the proportion if the quantities shown on the label are not the same size as your treatment and calculate how much product will be used for your use, after which you can start preparing the mixture. As we said in the previous paragraph, the Bordeaux mixture is an irritant product and therefore during its administration be careful to protect your mouth and eyes and make sure that your body does not come into contact with this product to avoid unpleasant consequences. So try to spray the product always downwards and stay close to the area to be treated to prevent the slurry from dispersing too far into the environment.