Fundamental wood properties of clones grafted with plus-trees of Abies sachalinensis, 1: Using trees thinned from the seed orchard in the forest tree breeding Experimental Station, Hokkaido University.
1994
Kadomatsu M. | Kudoh H. | Ujiie M.
The fundamental properties for wood quality such as basic density, annual ring width, and moisture content were examined, together with Young's modulus in the bending of standing trees. The specimens used were 226 grafted trees of Abies sachalinensis, consisting of 46 clones row-thinned from the seed orchard in the Forest Tree Breeding Experimental Station, Hokkaido University. The results obtained were statistically investigated. The averages of basic density, annual ring width, moisture content in heartwood, and Young's modulus were 342kg/m3, 3.9mm, 141.2%, and 86.0tons/cm2, respectively. The analyses of variances of these properties showed significant differences among clones. The repeatabilities, heritabilities as a broad sense, of the properties were generally low, as reflected in 0.13 for Young's modulus to 0.46 for basic density. Correlations between two factors in the properties were also low, the coefficients of which, however, were statistically significant between basic densities and diameters at breast height or annual ring widths, and between moisture contents in heartwood and basic densities of heartwood or annual ring widths of heartwood, and not significant between Young's moduli and basic densities or annual ring widths.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
المعلومات البيبليوغرافية
تم تزويد هذا السجل من قبل Wolters Kluwer