An assessment of allelopathic effects of Oryza and Leersia genotypes
1989
Watanabe, N. (Gifu Univ. (Japan). Faculty of Agriculture)
The objective of this study was to assess the allelopathic effects of several genotypes of Oryza and Leersia. The soils which seven genotypes of Oryza and five genotypes of Leersia were previously cultivated on, were prepared for the assessment of allelopathic effects. The germination rate, seedling growth and photosynthetic activity of Oryza sativa L. cv. Nipponbare were suppressed when the soils came from cultivation of Leersia genotypes. More intensive allelopathic effects were observed in Leersia genotypes than in Oryza genotypes
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