Genetic Diversity Analysis of Phenotypic Traits in Erianthus rockii Wild Species Studies on Innovation Germplasm of Erianthus rockiiI. Establishment of F1 Intergeneric Distant Hybridization of S.officinarum L. and Erianthus rockii and the Identification of F1 by SSR Molecular Markers Genetic Diversity Analysis for Germplasm of Erianthus rockii in China Analysis of the meiosis of pollen mother cells in Saccharum officinarum ? Erianthus rockii F1 hybrids by GISH