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Rust


Rust


The rust can be caused by a plurality of agents and affects all the most common garden essences and the turf according to a very precise symptomatology. Initially small yellowish spots appear on the affected subjects, in particular on the area of ​​the leaves and of the ridges, spots which later on evolve into reddish pustules. These pustules contain the spores of the fungus and, once opened, help spread the disease. In the most serious cases of this disease the affected plants can reach death and in general the turf will come to present as a whole a reddish coloring. The disease develops at rather high temperatures, between 20 and 30 °, although in winter the fungi survive in infected tissues to resume development as soon as the climatic conditions improve.
The defense against rust must take place in a preventive and repetitive manner, using products based on copper or zinc, which must be sprayed preventively every six months and in the event of illness every ten days. To combat the onset of the disease, resistant varieties can be used, or excessive stresses may be avoided for the turf which, as has been said, favor the development of the disease. Also try to limit the duration of leaf wetness.
If these agronomic practices were not enough you can use fungicides that are usually used against more harmful diseases such as the "dollar patch".