The biological characters, genetic characters, cytological basis of sterility and fertility restoration to hybrid between leymus chinensis and Leymus cinereus were studes by means of morphology, cytology and SSR markers. The main results were as fellow:
(1) In comparison with parents, the hybrid F1 had superiority in growth vigour, leaf width and length, spike width and length. This morphological characters and glume shape of hybrid F1 can be used as morphology marker to identify hybrid.
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