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Responses of Sex Expression and Fiber Yield Components to Ethrel and RH-531 Treatments in Hemp
H.B. Kim(金興培),K.J. Kim(金炅濟) 한국육종학회 1971 한국육종학회지 Vol.3 No.1
1. Ethrel 및 RH-531을 大麻의 花芽分化期에 葉面撤布하여 雌雄植物의 數, 草長, 줄기의 둘레 및 重量에 미치는 效果에 對해서 硏究하였다. 2. 無處理에서는 雌植物이 91%이었는데 Ethrel 500ppm에서는 112%, Ethrel 1000ppm에서는 116%, 그리고 RH-531 1000ppm에서는 121%로서 이들藥處理가 雌植物의 比率을 增加시키는데 效果가 있었고 特히 RH-531 1000ppm이 效果가 가장 많았다. 그러나 藥劑撒布濃度가 높은 1000ppm에서는 全體의 植物體數가 減少하였다. 3. 植物體의 重量 및 草長은 藥劑撒布後 無處理에 比해 약간의 증감은 있었으나 별로 큰 差異가 아니었다. 4. 줄기의 最下位部의 둘레는 無處理에 比해 Ethrel 500ppm이 7.54%, Ethrel (1000ppm) 2.3% 그리고 RH-531의 3.31% 增加를 보이었으나 統計分析有意性은 없었다. Responses of sex expression, plant height, plant weight and diameter of the stem to Ethrel and RH-531 treatments were studied in a local variety of hemp(Canabis sative L.). Proportion of the female plants were much greater than the male plants at the different levels of the chemicals. Plant height and plant weight were not increased at any concentrations of the chemical treatment. Stem diameter measured at the base of the plant showed slight increases over the control being test at 500 ppm of Ethrel treatment but there was no significance in statistical analysis.
H. B. Kim(金興培),K. J. Kim(金炅濟),T. J. Min(閔泰鎭) 한국육종학회 1973 한국육종학회지 Vol.5 No.1
Different levels of Ethrel and RH-531 were applied on the leaves of winter barley at booting stage. Both peduncle length and plant height were significantly reduced at high levels of the chemicals. Plant height was highly correlated with (r=1) peduncle length. Grain weight also was influenced by the chemicals and more grain weight was obtained from treated plant than check. Crude protein percentage in the kernel was decreased by RH-531 but no effect by Ethrel.
浸透性殺蟲劑의 土壤施用이 배추 진딧물 防除에 미치는 效果
金炅濟,李炳天,吳允重 동국대학교 대학원 1974 大學院硏究論集-東國大學校 大學院 Vol.4 No.-
This experiment was Conducted to study the efficiency of Aphid Control and to increase the yield and quality of chinese cabbage through the prevention of virus disease with permeable insecticides applied to the soil. Four Kinds of insecticide Disyston, Furadan, PSP-204 and Azodrin were applied in setting plants. 1. The number of parasitic aphids per plant of experiment plots treated with insecticides in as follows; A. Disyston … 18.5 B. Furadan … 30.2 C. PSP-204 … 74.2 D. Azodrin … 345.2 E. Control … 368.7 2. The residual efficiency of Disyston Continued for 40 days after application. 3. The rate of virus infection in chinese cabbage was 5.0% in the Disyston treated plot compared to 23.1% in the control plot. The difference was significant among the insecticides. 4. Mean weight per fresh chinese cabbage in the Disyston and Furadan treated polt was heaviest by 2,000g, significantly heavier than the others.