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Growth and maintenance of patch of miscanthus sinensis 1. dynamics of shoot population and its relationships to expansion of patch area


, : Growth and maintenance of patch of miscanthus sinensis 1. dynamics of shoot population and its relationships to expansion of patch area. Japanese Journal of Ecology 29(4): 397-402

The relationships between the dynamics of shoot population and the expansion or increment of patch areas of M. sinensis were investigated from 1975-1977. A few new shoots emerged at early spring and the main shoot gain was observed from early summer to late autumn. The latter period corresponded to the expansion period of patch area. The course of areal increment of the patch did not agree with that of shoot gain. The contribution of new shoots to patch area increment showed a marked seasonal variation. Three tillering times were distinguished during this period, suggesting that the 3 tillerings formed different distributional patterns of new shoots. Shoot loss had 3 peaks a year, early summer, autumn and winter. These shoot losses had little effect on patch area. Many of the secondary and the tertiary tillers overwintered and these overwintered shoots played an important role in the ear production of shoot population.

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