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Revista mexicana de fitopatología

versión On-line ISSN 2007-8080versión impresa ISSN 0185-3309


YANEZ-JUAREZ, Moisés Gilberto et al. Phosphites as alternative for the management of phytopathological problems. Rev. mex. fitopatol [online]. 2018, vol.36, n.1, pp.79-94. ISSN 2007-8080.

Phosphites are compounds derived from phosphorous acid used as an alternative for the control of phytoparasitic organisms and their effectiveness has been tested against protozoa, oomycetes, fungi, bacteria and nematodes; however, compared to conventional synthesized fungicides, phosphites are generally less effective at reducing damage by phytopathogens. The phosphite ion is easily transported in the plants via xylem and phloem, so it has been used in foliar application, drench of plant root and neck, injection trunk, through drip irrigation mixed in the nutrient solution in hydroponics, seed treatment, aerial application in low volume, or as treatment in immersion of seeds and fruits. The mechanisms of action involved in the prophylactic effects of phosphites are diverse and include the stimulation of biochemical and structural defense mechanisms in plants and direct action that restricts the growth, development and reproduction of phytopathogenic organisms.

Palabras llave : potassium phosphite; biostimulant; control of phytopathogens.

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