2024 Author: Gavin MacAdam | [email protected]. Last modified: 2023-12-16 13:38
Cherry trees can be found in almost every garden - at first they delight the eye with their magnificent flowering, and then generously endow us with a bountiful harvest of juicy cherries. But bountiful harvests do not always happen and not for everyone - sometimes the cherry begins to dry out immediately after flowering. Why is this happening, and how to deal with such a scourge?
Possible diseases
In most cases, drying out of cherry trees after flowering indicates the presence of some kind of disease, most often fungal. Especially often cherry trees are attacked by moniliosis. That is why gardeners should be alarmed by weather conditions conducive to the reproduction of harmful spores of moniliosis or no less dangerous coccomycosis. Damp and cool weather in spring will certainly affect the duration of flowering, but if the weather turns out to be rainy and at the same time warm during the formation and pouring of berries, the fungus will feel in its element and will begin to multiply very quickly, rapidly covering neighboring trees. Only timely and competent prevention can save you from such troubles. And if there are prerequisites for the development of various ailments, preventive measures should be carried out much more often! However, it is important not to forget that all treatments must be stopped at least twenty days before the start of the harvest.
What should preventative measures include?
In order for fruit trees to grow healthy and fully develop, it is extremely important to strictly follow the rules of agricultural technology. And timely preventive treatments will help to destroy possible infections at the time of their inception.
If any damage is found on the tree bark, then they must be thoroughly disinfected and covered with garden varnish. It is equally important to take care of the near-stem circles, as well as collect all the fallen leaves in a timely manner. In addition, cherry trees need to be whitened regularly (this recommendation applies equally to trunks and skeletal branches), and their branches should be thinned from time to time according to the principle "so that the sparrow can fly."
Even in the tightest area, each cherry tree should have ample feeding space. Ideally, it is best to plant cherries on well-ventilated hills or slopes. As for the seedlings, the best option would be to purchase seedlings of cherry varieties resistant to moniliosis. And it is not worth deeply deepening their roots when planting, since the cherry does not tolerate deep planting - in this case, its roots can simply begin to rot.
Watering should be timely, but not excessive - watering the cherry is also useless. And, of course, in no case should you forget about regular preventive treatments! Immediately, as soon as the snow melts, both the trunk circles and the trees themselves are recommended to be treated with a Bordeaux mixture called "Extra" or a three percent Bordeaux mixture, and the plants are sprayed on the green cone with a one percent solution of copper sulfate. Before the trees begin to bloom, they must be treated for moniliosis with the effective preparation Horus, and the most suitable preparations for prophylactic treatments during the growing season will be the same Horus, as well as Topsin, But and Abiga Peak ".
What if the cherry is already drying?
If dark rings appear on the cuts of cherry twigs, it means that the trees are already infected with moniliosis: after a while, the leaves will begin to dry out, and the drying of the leaves will be followed by the necrosis of the branches. When moniliosis is detected, all branches should be cut off further than the places of drying visible to the eye (from these places, another five to fifteen centimeters of the healthy part are usually cut off), after which all plant residues are burned. All twigs drying up during the summer season must also be removed in a timely manner.
Sometimes spotting (klyasternosporiosis) can also cause cherry blossoms to dry out. This dangerous ailment even affects the roots: flower and leaf buds gradually turn black and fall off, the formed leaves become like a sieve, and the berries that remain hanging on the branches are mummified and turn into dangerous carriers of spores. In this case, the harmful mycelium is destroyed with the help of Bordeaux mixture and copper oxychloride.
When infected with coccomycosis, small red dots appear on top of the cherry leaves, and it will not be difficult to notice tiny pinkish spores on their backs. The leaves begin to turn yellow and fall off, and the berries stop pouring. In any case, you will have to say goodbye to the harvest of the current year when infected with coccomycosis, but the trees themselves can still be saved - for this, flowering trees are treated with a solution of copper sulfate (3.5%). If by some miracle it was possible to save the harvest, then at the end of the collection of berries, they are treated with "Horus", and the soil is thoroughly spilled with a solution of urea (forty grams of urea is taken for each liter of water). This approach will not only save fruit trees, but also protect them from dangerous infections in the future!
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