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Epoxiconazole is a fungicide active ingredient from the class of azoles developed to protect crops. In particular, the substance inhibits the metabolism of fungi cells infesting useful plants, and thereby prevents the growth of the mycelia (fungal cells). Epoxiconazole also limits the production of conidia (mitospores).
Fludioxonil is a synthetic phenylpyrrole chemical introduced by Ciba-Geigy (now Syngenta) in 1993 for use as a non-systemic fungicide. It is a structural analog of the natural fungicide pyrrolnitrin. It is used for the treatment of crops, particularly cereals, fruits and vegetables, and ornamental plants.
Acibenzolar-S-methyl is the ISO common name [3] for an organic compound that is used as a fungicide. Unusually, it is not directly toxic to fungi but works by inducing systemic acquired resistance, the natural defence system of plants. [4] [5] [6]
It can survive up to two years without a sugarbeet crop being planted. Once attached to the plant the fungus penetrates the tissue and begins to infect and kill nearby tissue. [161] As the disease progresses these individual rotted spots begin to come together to form massive areas of dead tissue. This causes severely infected leaves to ...
Translaminar fungicides redistribute the fungicide from the upper, sprayed leaf surface to the lower, unsprayed surface. Systemic fungicides are taken up and redistributed through the xylem vessels. Few fungicides move to all parts of a plant. Some are locally systemic, and some move upward. [3] [4]
The solubility of benzimidazole fungicides is low at physiological pH and becomes high at low pH. In plants, carbendazim, thiabendazole and fuberidazole are mobile, i.e. systemic, and benomyl and thiophanate-methyl are converted to carbendazim. [2] This conversion also occurs in soils and animals. [1]