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Question: mushroom ??

Hello everybody…
I state of having a young garden, I sowed in March and at first the grass was really beautiful, dark green and very dense ... little by little, however, patches of grass formed on the lawn where the grass was clearer and where growth was very slow. these patches from small slowly have become bigger and bigger to cover almost the whole garden ... they have become yellowish and in some small points even brown !!
even if you drink regularly on most of the garden the growth has stopped and the points where the grass has remained as it was at the beginning are now very small ... among other things, I notice many flies that rise when I cut it ...
guys, what should I do ???????

Answer: mushroom ??

Dear Ivan,
the symptoms you describe suggest a fungal turf disease; the yellowing of the foliage, together with the presence of gnats, also seem to indicate the main cause of this fungal disease: poor soil drainage. There are two cases, or water excessively, or the ground, in those points, does not allow water to flow out, and therefore stagnates, creating an ideal environment for the development of fungi, among which the most typical is Rhyzoctonia solani . Attacks by Rhyzoctonia develop particularly during periods characterized by hot climate, and only in the case of high humidity and stagnant water; this mushroom, typically, draws the grassy mantle of circles, almost perfect, where the grass dries up in a few days, and nothing can germinate there, as this fungus also attacks the seeds and young seedlings. The only known method to combat this fungus is to spray the lawn with mixtures of fungicides, in the nursery you can surely find it. Clearly, if your lawn suffers from poor drainage, it might be worth solving this problem too, or the diseases will recur. After having cured the fungus, it would perhaps be advisable to practice a deep aeration of the lawn, and to consider watering a little less, only when the soil is perfectly dry.
The turf, during the warm months, is preferably watered during the night hours, obviously using an irrigation system; if you don't have it you can simply place a simple sprinkler in the center of the lawn, of those that attach to the water pipe; at the tap put a timer, to make sure that the sprinkler starts one evening and one no (if it is very hot and the lawn has always dry ground or sets the time you want), and you irrigate for at least half an hour, so as to wet the ground in depth. Even in the height of summer, watering is not necessary every day if done this way, because the soil is soaked well in depth for many hours, and therefore it is not necessary to repeat the irrigation often.