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金鎭淇,崔京求,白南赫,陳星桂 全北大學校 1982 論文集 Vol.24 No.-
全北 平野地인 裡里地方에서 옥수수의 播種期와 地上部生育 및 種實收量과의 관계를 調査하여 다음과 같은 결과를 얻었다. 1. 播種期의 早晩이 莖葉의 生育 및 種實收量에 크게 영향을 끼치며 播種이 늦어질수록 出雄, 出絲, 生育日數가 짧아지고 地上部生育은 떨어지는 경향이다. 2. 莖葉生育은 4月 20日 播種을 基點으로, 種實收量은 5月 5日 播種을 基點으로 各各 減少되었다. 3. 地上部諸形質과 種實收量간에는 高度의 正의 相關이 인정되며 種實增收를 위하여는 莖葉生育은 크게 할 필요가 있다. Some results were gained through the experiment that was carried out with a single cross cultivar, Suweon 19, of maize (Zea mays L.) in Iri, the Jeonbug plain area, in 1980, to check relationships between growth characters at different sowing dates. 1. The foliage growth and grain yield were greatly influenced with planting season. The number of days to tasseling, silking, or maturing shortened and the growth of maize decreased as sowing was delayed. 2. The threshold sowing date for foliage production seemed to be April 20 and that for grain yield, May 5. 3. Highly significant positive correlation existed between vegetative growth and grain yield. This may mean that increasing vegetative growth is prerequisite to better grain yield.