Effect of haulm type on some agronomic traits [yields, starch content, disease resistance] in potatoes

agentes nocivos agronomic characters amidon anatomia anatomie anatomy biological control breeding breeding aims canopy carbohidratos carbohydrates champignon couvert crops cubierta vegetal cultivar cultivars cultivos disease resistance diseases economic plants enfermedades fungosas facteur nuisible fungi glucide hortalizas (plantas) injurious factors lutte biologique mildews mycose mycoses objetivo de mejoramiento organic compounds papa pest control methods phytophthora plant anatomy plantas plantas feculentas plante plante de culture plante racine plants polyholoside polysaccharides pomme de terre potatoes productividad productivity profitability rendement rendimiento rentabilidad resistance to injurious factors resistencia a la enfermedad root crops root vegetables starch starch crops symptome symptoms vegetable crops yields