Phytophthora spp. in pot plants grown in ebb-and flow systems with recirculation of the nutrient solution

cobre control de enfermedades copper crecimiento croissance cuivre cultivo en contenedor cultivos de invernadero culture en conteneur damage disease control electrical conductivity fer feuille fungal spores gerbera greenhouse crops growth hedera helix hierro hojas iron leaves noruega norway nutrient solutions pathogens phytophthora plantas de macetas plante de serre plante en pot pot culture pot plants pourriture des racines pythium root rots soluciones nutritivas solution nutritive spore fongique stems tallo temperatura temperature tige