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Observation of turf characters of the first hybrid filial generation of Buffalograss and its heterosis determination

WANG Xiao-rong~1, LI Duo~2, NIU Jian-zhong~(1,3), LI Rei-fen~4, LIU Guo-qing~5, ZHOU He~1 (1 Department of Grassland Science, College of Animal Science of China Agricultural University/Beijing Key Laboratory of Grassland Science, Beijing 100094, China;2.Beijing Oriental-Clover Landscape & Turf Main Taing,Inc.Beijing 100029,China;3. The Heaven Garden, Beijing 100050, China; 4. Beijing Agro Biotechnology Research Center, Beijing 100089, China; 5.Beijing OASIS Turf Technology Center,Beijing 100094,China)  
There were eight buffalograss(Buchloe dactyloides)parents, four male and female each, by incompletely diallel cross design, the degree of turning yellow,leaf color of the parents and the offsprings were determined. The heterosis of the degree of leaf turning yellow and the leaf color were also mensured. The heterosis of buffalograss leaf turning yellow was low, difference existed in the heterosis of leaf color. And the same parent had different heterosis value in different cross groups.
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