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콩 播種期에 따른 開花ㆍ成熟期 및 種實重의 品種間反應 差異
Yeaul Kyu Seung(成烈圭),Suk Ha Lee(李錫河),Yong Ho kim(金龍昊),Seok Dong Kim(金奭東),Kill Woong Chung(鄭吉雄),Chang Sik Moon(文昌植) 한국육종학회 1995 한국육종학회지 Vol.27 No.3
This experiment was carried out to get the varietal difference and year variation in flowering, maturity, and grain yield per plant for two years, 1991 and 1992, in response to five planting times each year from April 20 to July 10 with twenty days interval in fifty-five soybean varieties. The results were summarized as follows: Days from planting to flowering(DPF), flowering to maturity(DFM), planting to maturity(DPM), and grain yield per plant showed the highly significant variation for year, planting time, variety and planting time×variety. The variation of DPF and DPM by planting time was larger in early planting than late planting. The standard deviation(SD) of DPF was 11.4 at early planting, 4.0 at late planting, while the SD of DFM was 10.6 at early planting and 9.1 at late planting. The shortening degree of DPF by late seeding was small in early varieties and large in late varieties. Also, the early varieties showed less shortening in DPM duration by late seeding compared to the late maturing varieties. Yield per plant at early planting from April 20 to May 30 was almost same, but those at late planting from June 20 to July 10 was rapidily decreased.
Yong Ha Chu(朱勇河),Jeung Haing Oh(吳正行),Je Cheon Chae(蔡濟天),Yeaul Kyu Seung(成烈圭),Beom Young Son(孫範永),Kil Woong Chung(鄭吉雄) 한국육종학회 1996 한국육종학회지 Vol.28 No.3
This experiment was conducted to select useful breeding materials among eighty lines or varieties of summer type soybeans tested in the experiment field, DanKook University, Cheonan in 1993. Fourty-four to sixty-two days were observed as the range of days from planting to flowering and the average was 53 days. The range of days from planting to maturity was 112 to 127 days and the average was 117 days. Eighty-six percentage of tested soybean materials was white color of flower and green color of hypocotyl, while the remains were purple in both. Soybean entries with ovate, long circular and circular type of leaf were 6%, 73% and 21%, respectively. Large, medium and small leaf in the leaf area were 34%, 32% and 34%, respectively. Light green leaf color was observed as 15%, and green and dark green color were 70% and 15% among tested soybeans, respectively. Soybeans with tan pods were observed as 49%, brown and dark brown color were 14% and 37%. Erect type of pubescence was 36%, whereas curly and appressed type were 54% and 10%, respectively. Sparse, normal and dense pubescence density were 16%, 41% and 43%, respectively. Most soybean entries(63%) showed gray pubescence and the remains were brown color. Days from planting to flowering(DPF) showed highly negative correlation with days from flowering to maturity(DFM) and days from planting to maturity (DPM), whereas it was highly positively correlated with leaf area. Days from flowering to maturity was highly positively associated with days from planting to maturity, while it showed highly negatively correlated with leaf area. Days from planting to maturity was highly negative correlation with leaf area.