量的遺伝の研究(第14報) : A.水稲(d)出穂期の遺伝とその遺伝因子の量的支配価に関する研究 : (3)E_a及びE_b因子の量的作用とscaleについて

概要

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1. The present paper is one of the studies which have been carried out in order to clarify the modes of quantitative inheritance in main crops from their breeding point of view. In this study the F_1 -F_4 generations from the three crosses (A) DairyutoX Nabeshima, (B) NabeshimaX Rozinto and (C) DairyutoXRozinto were used. The total number of lines and individuals observed were 243 and 19264 respectively. 2. Rozinto is a variety of early heading with short culm, while Nabeshima a medium heading type with medium culm and Dairyuto a late type with long culm (Table 1). 3. The conditions of growing plants were the same as those of the previous report (SYAKUDO, 1948-b), with the exception of sowing and transplanting dates. The heading period was measured by the number of days from the sowing to heading. The heading of a plant was indicated by the date on which the tops of its earliest ear began to emerge from the leaf-sheath.
日本育種学会の論文
1956-08-31