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Propagation of Arundinella hirta Clonal Population in Songnen Plain of China

Yang Yunfei Zhang Hongjun Zhang Baotian (Institute of Grassland Science, Northeast Normal University, Changchun 130024)  
Arundinella hirta is a typical clonal grass which possesses tillering nodes that can live as long as 4 years. It was observed that the grass in either the pasture for cutting use or grazing grew with an age structure of expanding type, and it appeared that grazing could promote the formation and development of tillers of the 2nd and the 3rd age classes. The productivity of the 1st-class tillers was obviously higher than that of the 2nd-class. The population of A. hirta, judged by its expanding potential, would maintain its role as a dominant population in the plant community on the pasture for cutting use, while on the pasture under grazing it would become a dominant species.
【Fund】: 国家自然科学基金
【CateGory Index】: S812.3
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