A new castor aralia cultivar, Cheongsan

A new cultivar of castor aralia (　 Kalopanax septemlobusKoidz) was developed via pure line selection at Korea ForestResearch Institute. Among 200 plants, one clone was selected as it had improved characteristics for cultivation in 2002. Testedmajor characters were thorn appearance, size of lateral bud, thenumber of lateral bud, size of leaf and strength of shoot tissue.In 2006, the first Korean cultivar of castro aralia, Cheongsan was finally selected based on the performance of those charactersand certificated for variety production and merchandising in2007. The new castor aralia cultivar, Cheongsan showed higher values for the most tested characters than control trees. Leaflength, leaf width and iameter of the bud base of Cheongsan were 17.22, 13.68 and 1.09 cm, respectively. Cheongsan also hadthan control trees. Especially, Cheongsan has fewer thornsthan control trees and its petiole color is light green. In addition, Cheongsan has shoot tissue which is advantageous in the useof shoot for a specialty vegetable. A new cultivar of castor aralia (　 Kalopanax septemlobusKoidz) was developed via pure line selection at Korea ForestResearch Institute. Among 200 plants, one clone was selected as it had improved characteristics for cultivation in 2002. Testedmajor characters were thorn appearance, size of lateral bud, thenumber of lateral bud, size of leaf and strength of shoot tissue.In 2006, the first Korean cultivar of castro aralia, Cheongsan was finally selected based on the performance of those charactersand certificated for variety production and merchandising in2007. The new castor aralia cultivar, Cheongsan showed higher values for the most tested characters than control trees. Leaflength, leaf width and iameter of the bud base of Cheongsan were 17.22, 13.68 and 1.09 cm, respectively. Cheongsan also hadthan control trees. Especially, Cheongsan has fewer thornsthan control trees and its petiole color is light green. In addition, Cheongsan has shoot tissue which is advantageous in the useof shoot for a specialty vegetable. 참고문헌