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A New Black and Red Graft Cactus (Gymnocalycium mihanovichii) Cultivar, "Heukhong"
정명일,정봉남,김미전,송정섭,김재영,박윤점 한국육종학회 2004 한국육종학회지 Vol.36 No.3
A new graft cactus (Gymnocalycium mihanovichii) cultivar Heukhong was developed from a crossing 941101 with mixed pollens of 10 unknown cultivars of G. mihanovichii by in vitro grafting and line selection at National Horticultural Research Institute, Rural Development Administration in 2002. Characteristics trials were carried out three times from 2000 to 2002. The color of body and tubercles was black-red. Flat round globe had 8 to 9 deep ribs with straight edge. Spine was long and straight with brown color. Increase of the diameter of body globe was fast as to reach 58.4 mm on 10 months after planting. Propagation ability was medium level as to setting 10.8 tubercles. Characteristics of the cultivar can be maintained by vegetative propagation, and growers should pay attention to protection from strong sun light and virus infection. The cultivar was applied for a variety protection and was released to commercial growers in 2003.