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KMID : 1024520030120020119
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Journal of the Environmental Sciences
2003 Volume.12 No. 2 p.119 ~ p.124
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Effective grafting method for Korean jujube nursery tree
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Park Hee-Seung
Ahn Young-Hee
Chung Kyu-Hwan
Kim Yong-Koo
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Abstract
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An effective grafting method for jujube nursery trees was developed to shorten the operation time, improve the percentage of "takes" and shoot emergence, and form the better graft union. Out of 7 grafting methods the splice, modified scion Ono graft and the bark graft showed relatively short operation time during the grafting operation comparing to the modified rootstock Ono graft or the chip budding. Among these methods, the bark graft demonstrated 100% "takes", but the modified scion Ono graft or the standard Ono graft showed 58.3% of "takes". The percentages of the vegetative shoot emergence were 100% fir the bark graft, 70% f3r the modified scion Ono graft and lower emergence percent for the rest grafting methods. The union tissue formation for the modified scion Ono graft, the bark graft, or the whip-and-tongue graft was significantly larger than the standard Ono graft or the splice graft. In a close examination of the cross sectional areas of the graft union formation through the microscope, the bark graft was superior, the standard Ono graft was inferior and rest of the grafting methods were intermediate.ing methods were intermediate.
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KEYWORD
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Jujube, Grafting method, Yakes, Modified scion Ono graft, Union tissue formation
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