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突然變異源 γ-線 處理가 在來種 小粒콩의 植物學的 特性에 미치는 影響
李喜鳳,金基勳,金哲民,朱珽一 충남대학교 농업과학연구소 1998 농업과학연구 Vol.25 No.2
This experiment was carried out to obtain a basic information for new variety development. The local soybean (Glycine max. L) lines used were endowed from Chungnam Agricultural Research and Extension Services. These lines were planted at upland farm of Chungnam Nat'l Univ., College of Agri. after treatment with mutagen γ-ray. All characteristics measured were decreased due to the γ-ray treatment than check except the branches of main stem of the Hannam and plant height of the Sobak. Especially the Sobak and the Eunha among these lines were shown very sensitivly than others treated with γ-ray of 15Krad. Of characteristics surveyed the nodes per plant was very sensitive to γ-ray, while the grain weight per plant, the pods per plant and the branches per plant were gradually decreased to further radioactivity about γ-ray treatment. In the Pungsan and the Sobak lines there were not shown significant between major characteristics at treatments including check. Other lines were also not shown positive correlation among characteristics except between stem diameter and branches(0.64*), grain weight and plant height(0.77**) at check of the Eunha, between stem nodes and stem diameter(0.65*) at check of the Kwangan and between number of pods and stem diameter(0.70*) at check of the Danyeop. From result this experiment, some of lines used were to be appeared characters of interest, for example, such as the short stem and the early flowering. Therefore these lines were needed more advanced generations for stability and performance.