Bulletin of the Faculty of Agriculture, Shimane University

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Bulletin of the Faculty of Agriculture, Shimane University 15
1981-12-15 発行

水稲日本晴に現われた変異の検討(その1) : 島根農試原々種圃に生じた異型個体の後代検定

On Anomalous Segregation of Culm Length and Heading Time Observed in the Rice Variety "Nihonbare"(I) : Progeny Tests of Variants Found in the Breeder's Stock Farm of Shimane Agricultural Experiment Station
Imaki, Tadashi
Adachi, Kazuaki
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Description
Many variants were found in the "Nihonbare" 's stock farm of Shimane Agricultural Experiment Station in 1973. Most of them were characteristically longer in culm length and later in heading time compared to "Nihonbare" pure plants.
Progeny teste of eight variants were conducted from 1974 to 1977. The segregations of culm length, heading time and/or awn density were identified in five of eight variants. It is suggested that this contamination was caused by the outcrossing with other stock varieties, perhaps in 1972.
NCID
AN00108015