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담배 약에서 유기된 반수체 배가계통의 변이, 상관 및 경로분석
금완수,제상율 한국연초학회 1981 한국연초학회지 Vol.3 No.1
Dihaploid lines were derived from the anthers of the F, of single cross, "Va 115" x"SC 72" (Nicotiana tabacum L.). The path-analysis, correlation coefficient, and variation of characteristics among dihaploid families were evaluated. Dihaploid lines displayed much greater variation than their parents. The genetic correlation coefficient between yield and total alkaloids of dihaploids was significantly lower than that of conventional varieties and lines. In path-analysis which relates yield components to yield, number of leaves harvested and leaf width had a direct effect on yield. a direct effect on yield.
N. africana의 감자바이러스Y 엽맥괴저 계통에 대한 저항성의 유전
금완수,정윤화,정석훈,최상주,이승철 한국연초학회 1991 한국연초학회지 Vol.13 No.2
A program was initiated to transfer potato virus Y vein-necrosis strain resistance from N. africana to N. tabacum The Fl plants between the above species were self-sterile, but all amphidiploid plants from the Fl plants and backcrossed flowers, that is, the N. tabacum flowers crossed with amphidiploid were self-fertile. The parent, amphidiploid plants of Fl, F2 population of the amphidiploid and the backcrossed generation were screened for a resistance of potato virus Y vein-necrosis strain isolated in Korea. The Chi-square values for the F2 population of the amphidiploid and the backcrossed generation fitted 35: 1 and 5 : 1 ratios of resistant to susceptible for the potato virus Y vein-necrosis strain, respectively. Therefore, it was found that the resistance of N. tabacum for the potato virus Y vein-necrosis strain was controlled by a single dominant gene.
Nicotiana Tabacum과 Nicotiana africana의 종간교배에 의한 감자바이러스 Y 저항성 유전자원 개발
금완수,정윤화,최상주,조명조,이승철 한국연초학회 1994 한국연초학회지 Vol.16 No.2
This study was conducted to transfer the potato virus Y-necrosis strain resistance from Nicotiana africana to Nicotiana tabacum (cv. NC82) N. africana was crossed with NC82, GErmination of the cotyledon stage, at which time most of the seedling died. However, surviving seedlings continued to grow normally. Chromosomes of the these interspecific self-sterile F1 hybrids were doubled by tissue culture. Amphidiploid of F1 hybrid was self-fertile. Starting with amphidipliod, a wystematic backcross (BC) program was set up with NC82 as recurrent parent. In the BC5C2 generation, the resistant plant was selected. This resistant line, KF8833-1, had 48 chromosome and secreting glandular trichomes. It flowered 2days later than NC82, and stalk height, leaves per plant, leaf length and leaf width were similar to those of NC82.
연초 약배양시 Anther-donor 식물체의 생육조건 및 약의 저온처리가 반수체 출현빈도에 미치는 영향
금완수 한국연초학회 1994 한국연초학회지 Vol.16 No.1
The present experiments were conducted to investigate some of the factors affecting the number of haploids derived from anther culture of Nicotiana tabacum. Anther - donor plants grown under controlled environment room at 3$0^{\circ}C$ yielded more haploid than room at 18, 25 and 26-22-18$^{\circ}C$ in anther culture. Donor plants starved of fertilizer yielded more haploids as compared to those of the well fed with fertilizer in anther culture. Pretreatment of exercised flower bud at 5$^{\circ}C$ was shown to be more effective in anther culture than pretreatment at 7 and 1$0^{\circ}C$, and the optimum temperature and period of pretreatment were 4 or 6 days at 5$^{\circ}C$.
연초(Nicotiana tabacum L.) 단위결과의 유전
금완수,정윤화 한국육종학회 2004 한국육종학회지 Vol.36 No.5
This study was carried out to decide whether a parthenocarpic character is widespread in flue-cured tobacco, and to determine the mode of inheritance of parthenocarpy in the normal fertile line(TC499) the male sterile MSTC499. Among 10 normal fertile cult