Characterization and manipulation of embryogenic response from in-vitro-cultured immature infloresences of rice (Oryza sativa L.)

cal callo callus cell division cultivo in vitro culture in vitro culture media cytoplasmic male sterility desarrollo embrionario division cellulaire embryogenese embryon somatique embryonic development genotipos genotypes haploidia haploidie haploidy histologie hybride hybrids in vitro culture inflorescence inflorescences inflorescencias medio de cultivo milieu de culture oryza oryza sativa pflanzenbau phytohormon plant growth substances somatic embryos somatische embryogenese sustancias de crecimiento vegetal