Effects of metal chelators on leaf senescence in maize and hydrangea

agentes nocivos aging anatomia anatomie anatomy arbustos ornamentales blanchissement bleaching cereales cereals chelating agents chlorophylle chlorophylls clorofilas contaminantes contaminantes industriales crops cultivos cultivos de grano desintoxicantes detoxicants dicotiledoneas dicotyledons drugs economic plants elements envejecimiento facteur nuisible feed crops feed grasses fer feuille fisiologia fonction physiologique glumiflorae grain crops gramineae gramineas graminee grasses heavy metals hierro hojas hydrangea hydrangeaceae industrial crops industrial pollutants injurious factors iron leaves medicamentos metal metales metales pesados metals monocotyledons oil crops ornamental plants ornamental shrubs physiological functions physiologie physiology pigment pigmentos pigments plant anatomy plantas plantas azucareras plantas feculentas plantas forrajeras plantas industriales plantas oleaginosas plantas ornamentales plante plante de culture plante industrielle plante ornementale plants polluant polluant industriel pollutants procesamiento processing quelatos rosales starch crops sugar crops traitement transition elements vieillissement zea mays