共 3 条
[2]
Influence of nitrogen form and NH 4 + -N/:NO 3 ? -N ratios on adventitious shoot formation from pear ( Pyrus communis ) leaf explants in vitro[J] . Hassan Abu-Qaoud,R. M. Skirvin,F. E. Below.Plant Cell, Tissue and Organ Culture . 1991 (3)
[3]
Adventitious shoot regeneration from in vitro leaves of several pear cultivars ( Pyrus communis L.)[J] . C. Leblay,E. Chevreau,L. M. Raboin.Plant Cell, Tissue and Organ Culture . 1991 (2)