Offered Papers Theme A: Efficient Production from Grassland

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Plant production is partially determined by resource allocation among various organs (Monsi & Murata, 1970), however, studies on dry matter partitioning among different plant organs are scarce in general (Marceli, 1996), and lacking in Achnatherum hymenoides. This study compared dry matter production and partitioning among three commercial cultivars (Paloma, Nezpar and Rimrock) of A. hymenoides and identified growth and developmental characteristics that could indicate potential seed production. In addition, the relationship between an organ weight as a percent of total aerial plant biomass was assessed.

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Seed Production and Resource Allocation in Three Cultivars of Achnatherum Hymenoides, Nevada, USA

Plant production is partially determined by resource allocation among various organs (Monsi & Murata, 1970), however, studies on dry matter partitioning among different plant organs are scarce in general (Marceli, 1996), and lacking in Achnatherum hymenoides. This study compared dry matter production and partitioning among three commercial cultivars (Paloma, Nezpar and Rimrock) of A. hymenoides and identified growth and developmental characteristics that could indicate potential seed production. In addition, the relationship between an organ weight as a percent of total aerial plant biomass was assessed.