Leaf anatomy and carbon discrimination in NAD-malic enzyme Panicum species and their hybrids differing in bundle sheath cell ultrastructure

biopolymere biopolymers carbon carbone carbono chloroplaste chloroplasts cloroplasto feed crops feuille genetica genetics hojas hybride hybrids leaves malic enzyme oxidoreductases oxidorreductasas panicum coloratum pastizales pastures plant anatomy plant vascular system plantas forrajeras sistema vascular de la planta suberin ultraestructura ultrastructure