. Ecological genetics of Pinus contorta in the Upper Snake River Basin of eastern Idaho and Wyoming. Lodgepole pine Idaho; Lodgepole pine Wyoming; Forests and forestry Research United States; Forest genetics; Trees Genetics. Table 4.—Results of analyses of variance of freezing tests presented as intraclass correlations, the ratio of a variance component to tfie sum of all components Source of variance Intraclass correlation Blocks Temperatures Populations Populations x temperatures ResiduaP * .21** .05** 0 .68 'Statistical significance of tfie F-value at the 5 percent level. "Statisti
. Ecological genetics of Pinus contorta in the Upper Snake River Basin of eastern Idaho and Wyoming. Lodgepole pine Idaho; Lodgepole pine Wyoming; Forests and forestry Research United States; Forest genetics; Trees Genetics. Table 4.—Results of analyses of variance of freezing tests presented as intraclass correlations, the ratio of a variance component to tfie sum of all components Source of variance Intraclass correlation Blocks Temperatures Populations Populations x temperatures ResiduaP * .21** .05** 0 .68 'Statistical significance of tfie F-value at the 5 percent level. "Statistical significance of thie F-value at tfie 1 percent level. ^Composed of tfie interactions involving blocks. Table 5.—Coefficients of determination (R^) for regression analyses relating genetic variation to geograptiic and physiographic variables Variable Elevational model Linear Quadratic Geographic model Combined model Grow/th and development Late growth * Leaf length .32* Height .70* Adjusted height (2,200 ft) .50* Frost injury .21 * Periodicity of shoot elongation Duration .71* Rate .74* Cessation .70* Elongation .78* Cold hardiness Injury .13* * .32* .70* .53* .22 .74* .74* .74* .79* .13* .26* .24* .31*' 0 .31*' .09 .29* .19 .33*' * .78* .66* .83* .80* .43* 'Statistical significance at the 5 percent level of probability. "Statistical significance at the 1 percent level of Figure 3.—Population means for four variables. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Rehfeldt, G. E; Intermountain Research Station (Ogden, Utah). Ogden, Utah : USDA Forest Service, Intermountain Research Station
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