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뽕나무 花芽의 器內培養에 있어서 生長調節物質이 器官分化에 미치는 影響
南鶴祐,文在裕,金浩樂 한국잠사학회 1988 한국잠사곤충학회지 Vol.30 No.1
Flower buds of the mulberry (Morus alba L., Morus bombycis Koidz.) were cultured under different condition such as basal media. And various concentrations of plant growth substances. Effects of the culture condition on growth of the buds and organ regeneration were investigated and the results obtained are as follows: Murashige and Skoog(M.S) medium was more effective on budding and growth of female (Keomseolppong) and male (Kaeryangppong) flower buds isolated directly from branches, compared to Greshoff & Doy(G.D) and Wolter & Skoog(W.S.) media. The growth of the female buds was promoted at higher concentration of benzyl amino purine(BAP) i.e., 2.0ppm. The female and male buds cultured after cutting for seven days showed better growth than those without cutting treatment. The females and the males bloomed to form healthy stigmas and anthers, respectively, when cultured on M.S media containing high Kinetin with low concentration of indole acetic acid(IAA).
窒素 및 生長調節劑 處理에 의한 뽕나무의 蛋白質, 核酸含量 및 休眠의 變化
柳根燮,南鶴祐,崔營哲 한국잠사학회 1993 한국잠사곤충학회지 Vol.35 No.2
Winter dormancy of the mulberry (Morus species) in Suwon was investigated with regards to mulberry varieties, such as Kaeryangppong, Daeryugppong, Yongcheonppong and Hongolppong application of fertilizers and growth hormone. In general, It initiated at late September and it subsequently became deeper and reached the highest degree through late October to early November. After that early November it gradually turned into the breaking state and was terminated by late November. Intensity and duration of dormancy were lower and shorter in Kaeryangppong. The standard application of N. P. K(30-13-18 kg/10a) affects it delayed, but terminated earlier. On the other hand, the double amount of nitrogen affects the dormancy fast, but terminated late. The treatments of GA3 at the early and termination stages increased the bad sprouting. The contents of RNA and protein in the bark gradually increased as the dormancy becomes deeper.
성규병 ( Seong Gyu Byeong ),남학우 ( Nam Hack Woo ),이상욱 ( Lee Sang Uk ),박광준 ( Park Kwang Jun ) 한국잠사학회 2002 한국잠사곤충학회지 Vol.44 No.2
한성뽕을 수원과 춘천 2개 지역에서 수행한 지역적응시험 결과, 수량성이 높고 엽질 등이 우수하여 1998년 장려품종으로 지정되었으며 그 주요 특성은 다음과 같다. 1. 백상형(Morus alba L.)에 속하는 품종으로 암나무이며, 수형은 직립성이고 용천뽕에 비하여 가지수와 평균가지 길이는 적고 짧으며 마디길이는 비슷하다. 2. 발아기는 중뽕이며, 잎의 크기는 중형으로 잎두께는 약간 두꺼우며 타원형이다. 3. 뽕 수량은 용천뽕보다 10% 많으며, 사료가치는 용천뽕보다 비교적 우량하다. 4. 뽕나무 오갈병 저항성은 보통이고 눈마름병, 줄기마름병 및 축엽세균병은 개량뽕보다 약간 강하다. 5. 춘추잠기 겸용 큰누에용 뽕으로 전국에 재배할 수 있다. New mulberry cultivar, Hansungppong,k was bred among selected lines from F1 seedlings obtained by crossing the female,k Yongcheonppong,k and the male, Kugsang 21. Local adatability test has been carried out at two places (Suwon and Chunchun) for fours years since 1995. Leaf quality was tested by silkworm rearing for two silkworm rearing seasons (spring and autumn) at Suwon in 1998. Hansungppong was recognized to be superior in productivity and cold resistance to control cutivar, yongcheonppong. The new cultivar,k Hansungppong, has following agronomic characteristics as compared with Yongcheonppong, which was strongest leading cultivar against cold injury in Korea. It is belonging to Morus alba L. with the ovate leaf shape, sprouting in spring nearly the same to the Yongcheonppong (Morus alba L.), high leaf yielding of 10% compared to Yongcheonppong (Morus alba L.) and the high degree of cold resistance. It is adaptable to everywhere in Korea. Hansungppong is recommended to rear silkworms not only in spring but also in autumn besides for young silkworms.
박광준 ( Kwang Joon Park ),남학우 ( Hack Woo Nam ),이종택 ( Jong Tack Lee ) 한국잠사학회 1983 한국잠사곤충학회지 Vol.25 No.1
全原一號 品種은 1920年代 後半에 全北 原蠶種製造所에서 選拔하였으며, 1970年代 中盤까지 湖南一部 地方에 栽培되였었다. 本 品種의 正確한 特性 究明을 위하여 1977年에 水原과 全州에 改良뽕을 對照品種으로 全原一號 品種을 植栽供試하고 1979年부터 1982年가지 4個年間 栽培試驗을 實施하여 究明된 特性은 다음과 같다. 1) 全原 1號는 白桑系에 屬하는 中生種이다. 2) 枝條는 展開性, 條數型으로 伸張力이 弱하다. 3) 枝條의 枯損長比率은 改良뽕보다 약간 높으나 큰 차 없었으며, 뽕나무 오갈병저항성과 耐倒伏性은 改良 뽕보다 弱하다. 4) 年間改量은 正葉量으로 10a當 1,474kg으로서 改良보다 14% 적었다. The mulberry variety, Jeonweon No. 1, has been cultivated in some parts of Ho-Nam District since the variety was selected at the Jeonbuk Provincial Silkworm Egg Production Station in the latter half of 1920s. However, the characteristics of the variety have not been reported. Therefore, the cultivation experiment on the variety was carried out to investigate the characteristics of the variety at Jeonju and Suweon for four years from 1979 to 1982. 1. The mulberry variety, Jeonweon No. 1, belongs to the Morus alba L. and the sprouting stage is medium. 2. The branch growth of the variety was rather slow, however the number of branches was more and the posture of branches opened wide. 3. The rate of cold injury of shoot tips was a little high, but resistance to disease and the lodging of branches was weaker, compared with the Gaeryangbbong variety. 4. The annual yield of leaves of the variety per 10a was 1,474kg, 14% less than that of the Gaeryangbbong variety.
Optimization of Mycelial Growth of Entomogenous fungi of the Genus Cordyceps
In-Pyo Hong,Sung-Hee Nam,I-Yeon Jung,Gyoo-Byung Sung,Hack-Woo Nam,Seok-Woo Kang,Hyeon Hur,Min-Woong Lee,Shun-Xing Guo 한국버섯학회 2004 한국버섯학회지 Vol.2 No.3
This study was carried out to obtain basic data on physiological characteristics for an artificial cultivation of fruiting body of Cordyceps. Specimens such as Cordyceps longissima, C. militaris and C. pruinosa were collected at Mt. Halla of Cheju island in July, 2003. Among four different culture media which have been used for culture of mushrooms, MCM medium was selected for the favorable culture medium of the Cordyceps tested. The initial pH of solid medium for mycelial growth of Cordyceps was good in the range of pH 5.0~7.0 lower than 8.0. The mycelial growth of C. longissima was most favorable on culture media supplemented with glucose, one of monosaccharides. In C. militaris, nine carbon sources were favorable to the mycelial growth as compared with control among 11 carbon sources. Six nitrogen sources were favorable to the mycelial growth of C. longissima as compared with control among 9 carbon sources; namely, the mycelial growth of C. longissima was most favorable on culture media contained potassium nitrate, and followed in order by ammonium citrate and sodium nitrate in 4 weeks incubation.