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송주현,김성기,박경열,김병현,이동우,Song, Su-Hyeun,Kim, Sung-Ki,Park, Kyeong-Yeol,Kim, Byeong-Hyeon,Ree, Dong-Woo 한국작물학회 1987 한국작물학회지 Vol.32 No.1
This study was carried out to investigate the effects of early planting and polyethylene film (P.E) mulch on early maturing soybean of Korean native cultivar Kyeonggi No. 114 in the Kyeonggi area. It was planted four times at the ten days interval from April I to April 30 in 1985 and 1986. The average soil temperature was 1-5$^{\circ}C$ higher under the polyethylene film mulch condition than the conventional cultural practice condition. Soil moisture content also was higher under P.E mulch condition. Days to emergence was shortened 5-16 days and days to flowering was shortened 3-5 days. The fresh pod yield was increased 12% more at the planting date of April 1 and April 10. Income was increased 70, 83, more at the planting date of April 1 and April 10 under the polyethylene mm mulch conditions.
보리밀에 있어서의 Seissor Emasculation에 對하여
李東右,曺章煥 진주농과대학 1962 진주농과대학 연구논문집 Vol.- No.1
1. 보리 밀에 있어서의 Scissor Emasculation의 實用的效果를 알고저 보리는 出穗 1日前과 2日前, 밀은 出穗 3日後와 4日後에 各各 葯의 上端으로부터 1/3, 1/2, 2/3를 切除하고 無授粉과 切除 1日 및 2日後에 授粉하여 結實率을 調査하여 보았다. 2. 보리는 出穗 1日前에 葯의 1/3 또는 2日前에 葯의 1/2을 切除하고 切除 2日後에 授粉한 것이 除雄도 安全하고 結實率도 좋았다. 3. 밀에 있어서는 出穗 3日後에 葯의 1/2, 出穗 4日後에 葯의 2/3切除로서 除雄의 效果는 있었으나 授粉後의 結實率이 낮았으며 實用化를 위해서는 좀더 檢討되어야 할 것으로 생각된다. 4. 이 除雄法은 造作上 注意와 多少의 熟練을 要하나 보리에 있어서는 實用的 價値가 있는 簡便한 方法이라 할 수 있겠다. 1. For the test of practical value of the scissor emasculation in barley and wheat, 1/3, 1/2 and 2/3 portion of each anther was cut away on 1 day & 2 days before heading in barley, 3 days & 4 days after heading in wheat, and then pollinated in some treated heads on 1 day and 2 days after treated, and some others were not pollinated, then seed set ratios were observed. 2. In the barley, emasculation was effective, and also seed set was good when 1/3 portion of the anther was cut away on the day before heading, or 1/2 portion of the anther was cut away on 2 days before the heading, when the pollination was completed 2 days later the anther was cut. 3. In the wheat, emasculation was effective when 1/2 portion of the anther was cut away on 3 days after heading, or 2/3 portion of the anther on 4 days after heading, however, the seed set ratio was low when the pollination was completed. A more detailed study shoud be required for the practical use of this emasculation method. 5. The scissor emasculation cam be used as a convenient method with a practical value, but a diminutive amount of experience would be required.