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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.
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.
성규병,김현복,남학우,이상욱,구태원,박광준,김호락 한국잠사학회 2001 한국잠사곤충학회지 Vol.43 No.1
New Mulberry Cultivar, Milsungppong, was selected from Fl seedlings obtained by crossing the female, 4X Keomseolppong, and the male, Kaeryangppong. Local adaptability test has been carried out at five Places(Suwon, Chunchun, Cheongju, kongju and Sangju) for four year since 1992. Leaf quality was tested by silkworm rearing for two sildworm rearing seasons(spring and autumn) at Suwon in 1995. From these tests, Milsungppong was found to be superior to control cultivar, Kaeryangppong, in productivity, footability and shoot cold injury. The new cultivar, Milsungppong, has following agronomic characteristics as compared with Kaeryangppong, the most prevailing cultivar in Korea. It is triploid cultivar belonging to Morus bombycis KOIDZ with the leaf shape of five lobes, sprouting in spring nearly the same to the Kaeryangppong (Morus alba L.). high leaf yielding of 25% compared to Kaeryangppong (Morus alba L.) and the medium degree of cold resistance. It is adaptable to every where in Korea except the area cold injury broken out habitually. Milsungppong is recommended to rear silkworms not only in spring but also in autumn besides for young silkworms.