Influence of foliar sprays with Copper and Zinc on the resistance of citrus rootstocks to gumosis caused by Phytophthora citropthora.
Maǧallaẗ al-Anbār li-l-ʿulūm al-zirāʿiyyaẗ/Maǧallaẗ al-anbār li-l-ʻulūm al-zirāʻiyyaẗ