Tuesday, October 3, 2023

Risk of fungal diseases in rainy season

Thus, he postulates that there is a range of more common fungi that can be found in crop fields within a few days of parasitism due to the optimal conditions for their establishment and growth occurring.

In the case of Olive Grove, RAIF used Repilo (fusicladium oleaginum) and reported that the symptoms on the leaves are particularly visible in plots where the soil retains more moisture, as these conditions are favorable for its development, mainly in places such as streams, ravines and shady areas. , where condensation of water is easy. Sheet.

Fungal germination requires free water at the site of entry into the conidia (reproductive elements of the fungus) and receptor tissue (usually the leaf), as well as a temperature between 8 and 24 °C. With an optimum of 20°C. C.

During the month of May, a typical sampling is being carried out in all biological control stations, detecting the presence in more than half of the plots in olive growing areas, but still with low values, as specified Is.

It has also been referred to as papillae of lead (Pseudocercospora cladosporioides), indicating that the meteorological conditions favoring its development are high relative humidity and temperatures between 5 and 30 °C. Preventive treatments against Repilo are also against this disease.

RAIF reminds that the best strategy against diseases, unlike pests, is preventive. As he elaborates, when the plant is susceptible and weather conditions suitable for its growth are present, action should always be taken, prioritizing prevention and/or cultural measures, which may be alternatives to chemical control. Are.

Before carrying out any phytosanitary control, RAIF recommends consulting the advisor of the association or cooperative to ensure the success of the intervention, it is also pointed out that when carrying out any type of chemical treatment, follow the indications of the technical advisor. must be followed, as well as the information appearing on the labels of the phytosanitary products used, respecting the safety time limits set by the manufacturers of these products.

(tags to translate)risk

Nation World News Desk
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