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콩 品種과 根瘤菌(bradyrhizobium japonicum)間의 宿主親和性 및 相互作用
Kyung Geun Bae(裵璟根),Dal Ung Kim(金達雄),Seok Dong Kim(金奭東),Eun Hi Hong(洪殷熹) 한국육종학회 1991 한국육종학회지 Vol.23 No.1
The host affinity and interaction between soybean variety and nodule bacteria strain including R-214, USDA110, and A-1017H⁺ selected as high N-fixing strain in Korea, America and Japan, respectively were examined. The host specificity of nodule strains and various degrees of host affinities between soybean varieties and nodule strains were very high for R-241 with Hwangkeumkong, Jangyeobkong, Union, and Toyosuzu, etc.: very low for R-214 with A-1017H⁺ and IAC-2 and Peking soybean varieties introduced from Brazil and China. High affinity for USDA110 with Jangyeobkong, Hwangkeumkong, Kwangkyo, Williams82, Nambushirome was detected. In general, R-214 originated in Korea showed high host affinity with most of soybean varieties tested. USDA110 known having broad host affinity in America showed a quite good affinity with all soybean varieties. On the contrary, A-1017H⁺ known as a good nodule strain in Japan showed very low host affinity with soybean varieties presented variable response with soybean varieties.
여익현,배경근,류병훈 한국콩연구회 1998 韓國콩硏究會誌 Vol.15 No.1
Ethylene is Known to have properties such as retardation of longitudinal growth and leaf expansion, increase in stem thickness, and stimulation of overall growth. This experiment was conducted to provide the background for application of beneficial properties of ethylene to bean sprouts production. Samples were put on the treatment for 4 days total and alt the parameter were measured at 5th day of the experiment. The results are as follows : Mean body length from upper part was decreased 2.2cm, but middle part and lower part were rather increased 1.5cm and 0.2cm, respectively, compared with the mean values of controls. Mean difference in stem thickness for upper, middle, and lower part of the stem were 0.5mm, 0.4mm, and 0.2mm respectively. Especially, it is a great way to change shape of the bean sprout in desired way without using any chemicals, such as pesticides or growth stimulation reagent.
여익현,황영현,배경근 한국콩연구회 1999 韓國콩硏究會誌 Vol.16 No.2
The results clearly stated that the growth and duality of bean sprouts were influenced in great extents by water spraying method employed. When fresh water was used, water supply through the bottom caused rapid increase in internal temperature ( $gt; 26℃ after 48 hours) and carbon dioxide (CO₂ level (9-10% before water spraying, measured on 15-35cm from bottom of the vessels), which resulted in obstruction of respiration and accumulation of organic compounds in stem of the sprouts. These became main reason of the unpleasant order and freshness problem of the sprouts upon completion of the growth. On the other hand, when water supply from the top (through the multiple holed container at the top of the vessel) was employed. the growth and yield of the sprouts were much unproved due to the lowering of internal temperature ( $lt; 23℃ after 48 hours) and increase in release of CO₂ gas (7-8% before water spaying). The results of the experiments showed that water spray method is one of the key factors for the growth of the bean sprouts. It was concluded thai the employment of the method which filling up vessel with water at one time through the multiple holed water container attached on the top, instead of existing going and returning shower method, possibly avoid the decomposition, overgrowth and browning of the bean sprouts 6y decrease in internal temperature and improvement of CO₂ release.