Influence of phosphate fertilization on the growth and nutrient status of micropropagated apple infected with endomycorrhizal fungi during the weaning stage B. Branzanti, V. Gianinazzi-Pearson and S. GianinazziAgronomie, 12 10 (1992) 841-845DOI: https://doi.org/10.1051/agro:19921018