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참다래 수품종의 형태적 특성과 RAPD에 의한 유연관계 분석
조윤섭,조혜성,노일섭,김월수 전남대학교 농업과학기술연구소 2000 農業科學技術硏究 Vol.35 No.-
To examine the taxonomic relationships among 13 male kiwifruits by 36 morphological characters, principal component analysis and cluster analysis were carried out. Of 36 characters, hair density on ventral midribs and between ventral midribs, leaf length/leaf width ratio etc. were considered as very useful characters for the classification of Actinidiacea plants and number of white dots on branch, full flowering period and flower color etc. also showed significant differences among A. deliciosa, A. chinensis and wild kiwis. Results of cluster analysis using scores of the principal component indicated that 13 male kiwifruits could be grouped into A. deliciosa, A. chinensis and wild kiwis phenon at 0.5 of average distance in WMVCA. This result was also very similar to that of RAPD analysis. However, it seems that more characters including various kinds of Actinidia species are needed for the exact classification.
칼슘제 수관살포가 참다래의 과실 품질과 저장에 미치는 영향
임경호,나양기,임동근,마경철,조윤섭,김월수,이상현,박용서 全南大學校 農業科學技術硏究所 2001 農業科學技術硏究 Vol.36 No.-
This study were carried out to improve Kiwifruit quality and storage life. Three kinds of calcium compound were sprayed and calcium content of fruits, weight loss during fruit storage and fruit quality were investigated. Calcium contents within leaves and fruit were lower in Clef-non treatment than that of control. The calcium content in fruit pericarp of Kalk-H and CaCl2 was 0.04 to 0.05% higher than that of control. Fruit weight and soluble solids content at harvest was a little higher but acidity and fruit hardness was lowered. Fruit weight loss of Kalk-H and CaCl2 treatment was 1.39 to 1.53% lower than that of control during storage. The soluble solids of ripen fruit was 1.0 to 1.3% higher in all treatment and 0.8% higher in Kalk-H treatment in 120 of after storage. Fruit hardness of control fruit was higher at harvest but that of CaCl2 treatmented fruit was 0.39㎏/φ 5㎜ higher in 120 days of storage.
A novel bromolactonization reaction using racemic 2-bromo-5-isobutyl-5-methylhydantoin
Cho, Youn-Sang,Jew, Sang-Sup,Chung, You-sup The Pharmaceutical Society of Korea 1982 Archives of Pharmacal Research Vol.5 No.2
By using recemic 3-bromo-5-isobutyl-5-methylhydantoin (3a') in dry N, N-dimethylformamide which is a model reagent for asymmetric bromolactonization, bromolactonization of a series of olefinic acids was carried out to furnish corresponding bromolactones in moderate yields.