A clone bank that contained highly productive and superior genotypes of R. coreanus Miq. was assembled in 1998. The clone bank was composed of a collection of 227 clones from 15 regions in Korea. From the clone bank, 198 clones that regularly completed flowering and fruiting were used as official materials for superior tree breeding. To evaluate the flowering and fruiting, the length of the fruiting lateral (LF), the number of flowers per fruiting lateral (NFL) and the number of fruit per fruiting lateral (NFFL) were investigated. Fruits were harvested when they fully ripen and the fruit length (FL), fruit width (FW), the weight of fruit (WF) and soluble solids were measured. In 2001, 17 of the original 227 clones were identified as being the most superior, and these selected genotypes were tested for regional adaptability in four different regions in 2002. Finally, these advanced selections including "Jung-Keum 5" were evaluated for flowering, fruiting and fruit production characteristics from 2002 to 2005. The new cultivar, "Jung-Keum 5" has black fruit color and larger fruit size than the contrast clone that was shown mean value for the most characteristics. Selection effect of the new cultivar were shown 148.8% (NFL), 151.2% (NFFL), 125.2% (WF) and 160.4% (yield/individual; YI) superior in comparison with the contrast clone, respectively.

마가목屬 4종류의 엽의 형태적 특성을 분석한 결과 엽형과 엽선 및 엽소질과 같은 정성적 형질은 4종류 모두 피침형 또는 넓은 피침형의 엽형(lanceolate)을 보였으며 엽선은 점첨두(acuminate)로 표면에 털이 없고 밋밋하여 평활(glabrous)한 특성을 보였다. 복엽길이 등 11가지의 정량적 특성 조사 결과는 당마가목 geqq유럽마가목>마가목geqq산마가목 순의 경향으로 종간 유의적 차이를 확인할 수 있었다. 소엽수와 복엽 및 정소엽형지수를

Hovenia dulcis var. koreana Nakai is recently known to be a useful tree because of their medicinal function. In 1996, candidate trees were selected from 10 regions in Korea, and a clone bank was established in 1998 by grafted 70 candidate clones of candidate trees in order to breed high-yield superior trees. From 2003 to 2005, five clones were selected and screened by analyzing flowering and fruiting characteristics of 47 clones in the clone bank. “Poong-Sung 1”, a new high-yield superior H. dulcis var. koreana Nakai cultivar was finally selected from the 5 clones. The final selection focused on fruiting characteristics such as the number of fructify lateral (NFL), the number of average bunch per one fructify lateral (NABFL), the number of average bunch per fruiting lateral (NABPFL), the weight of fruit petiole per individual (WFPI) and the yield of individual (YI). Fruit petiole of “Poong-Sung 1” has dark brown skin color and fruit flesh color. Fruiting characteristics of “Poong-Sung 1” showed large better results and selection effects with an average of 19.3Ea (NFL), 4.75Ea (NABFL), 91.68Ea (NABPFL), 4.7 kg (WFPI) and 11.26 kg (YI) which are 158.8%, 147.1%, 233.9%, 401.7% and 412.5% superior compared to the mean of 47 clones, respectively.

A clone bank that contained highly productive and superior genotypes of R. coreanus Miq. was assembled in 1998. The clone bank was composed of a collection of 227 clones from 15 regions in Korea. From the clone bank, 198 clones that regularly completed flowering and fruiting were used as official materials for superior tree breeding. To evaluate the flowering and fruiting, the length of the fruiting lateral (LF), the number of flowers per fruiting lateral (NFL) and the number of fruit per fruiting lateral (NFFL) were investigated. Fruits were harvested when they fully ripen and the fruit length (FL), fruit width (FW), the weight of fruit (WF) and soluble solids were measured. In 2001, 17 of the original 227 clones were identified as being the most superior, and these selected genotypes were tested for regional adaptability in four different regions in 2002. Finally, these advanced selections including “Jung-Keum 1” were evaluated for flowering, fruiting and fruit production characteristics from 2002 to 2005. The new cultivar, “Jung-Keum 1” has dark red fruit color and larger fruit size than the contrast clone that was shown mean value for the most characteristics. Selection effect of the new cultivar were shown 130.8% (NFL), 128.3% (NFFL), 123.6% (WF) and 173.3% (yield/individual; YI) superior in comparison with the contrast clone, respectively.

Castor aralia (Kalopanax pictus (THUNB) Nakai.) is one of the important medicinal and edible species growing in North Eastern Asia - Korea, Japan, and China. The stems and roots have been used as an ingredient in folk medicines, while terminal buds and yo

The study was conducted to obtain basic information for breeding Korean black raspberry(Rubus coreanus Miq.) by evaluating leaf, fruiting and fruit characteristics. The analysis of variance for all leaf characteristics from fourteen populations showed a s