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Consideration of the Quantitative Nut Characteristics in Chestnut Hybrids  

Lee, Uk (Dept. of Forest Genetic Resources, Korea Forest Research Institute)
Kim, Mahn-Jo (Dept. of Forest Genetic Resources, Korea Forest Research Institute)
Lee, Moon-Ho (Dept. of Forest Genetic Resources, Korea Forest Research Institute)
Hwang, Myoung-Soo (Dept. of Forest Genetic Resources, Korea Forest Research Institute)
Hwang, Suk-In (Dept. of Forest Genetic Resources, Korea Forest Research Institute)
Publication Information
Journal of Korean Society of Forest Science / v.94, no.1, 2005 , pp. 34-38 More about this Journal
Abstract
This study, basic research for releasing new chestnut cultivar, is conducted to consider quantitative nut characteristics according to combinations and individuals In 11 chestnut hybrids. Number of bur on bearing branch(NBB) and nut yield(NY), which showed large difference among combinations, was superior in JO ($Joook{\times}Otanba$) and KO ($Kwangeun{\times}Otanba$) combinations, respectively. Average nut weight (NW) was 21.1g, the highest in EO ($Eunsan{\times}Otanba$) combination. Nut shape which was expressed to the rate of nut height and width, was investigated to the range of 1.13-1.23 in the all combinations, so nut shape of all combinations showed oval type. EO and JO combinations, which were measured to 30.0% and 27.5%, respectively in the percentage with the pericarp split(PPS), were produced more bad fruits than the others. OK ($Otanba{\times}Kwangeun$) combination, 1.7%, was the most excellent in the percentage of polyembryonic nuts(PPN), and the superior combinations which was measured to the below 5%, could be included five combinations. ER and RK combinations, were the highest values, 16.3% and $10.0kg/cm^2$, in soluble solids content(SSC) and kernel hardness (KH), respectively. NBB showed highly positive correlation with NY, but showed highly negative correlation with SSC and NW. NW showed highly positive correlation with PPS, but showed highly negative correlation with SSC and NH. PPS showed highly positive correlation with PPN. Eight individuals such as superior individuals could be selected by selection criteria.
Keywords
chestnut; quantitative characteristics; hybrid; superior individual; selection;
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Times Cited By KSCI : 2  (Citation Analysis)
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