Article Figures & Data
Figures
- Figure 1.
Timeline of propagation, transplant, and fertilization spring 2011 through summer 2013.
- Figure 2.
Interactions (a, c, d) for Acer rubrum var. drummondii among locations (College Station, Texas, and Starkville, Mississippi) and container sizes (#3, #7, #25, and #45) at transplant on end-of-season height (a), percent change in height (c), and trunk diameter (d) from transplant to the end of the first growing season, and the main effects of container sizes on end-of-season trunk diameter (b). Symbols represent means (± standard errors) of n = 6 for interactions (a, c, d) and n = 12 for main effects (b). Best-fit regression equations were constructed for significant effects means and are presented where significant at P ≤ 0.05.
- Figure 3.
Interactions (b) for Taxodium distichum among locations (College Station, Texas, and Starkville, Mississippi) and container sizes (#1, #3, #7, #25, and #45) at transplant on end-of-season trunk diameter (a) and the main effects of container sizes on end-of-season height (a), and percent change in height (c) and trunk diameter (d) from transplant to the end of the first growing season. Symbols represent means (± standard errors) of n = 6 for interactions (b) and n = 12 for main effects (a, c, d). Best-fit regression equations were constructed for significant effects means and are presented where significant at P ≤ 0.05.
- Figure 4.
Interactions (a) for Vitex agnus-castus among locations (College Station, Texas, and Starkville, Mississippi) and container sizes (#1, #3, #7, #25, and #45) at transplant on end-of-season height (a) and the main effects of container sizes on end-of-season trunk diameter (b), and percent change in height (c) and trunk diameter (d) from transplant to the end of the first growing season. Symbols represent means (± standard errors) of n = 6 for interactions (b) and n = 12 for main effects (a, c, d). Best-fit regression equations were constructed for significant effects means and are presented where significant at P ≤ 0.05.
Tables
- Table 1.
ANSI Z60.1 container class standards by height and caliper. The standards are published in Imperial units; conversions to SI: 1 inch = 2.54 cm, 1 foot = 0.305 m.
Types 1 & 2 shade trees Types 3 & 4 small, upright, and spreading trees Shrub form and multi-stem trees Container class (#) Minimum plant size (height/caliper) Maximum plant size (height/caliper) Minimum plant size (height/caliper) Maximum plant size (height/caliper) Minimum plant size (height) Maximum plant size (height) 12 inch 4 feet 12 inches 3 feet N/A N/A 1 2 feet 6 feet 18 inches 4 feet N/A N/A 2 3 feet 6 feet 2½ feet 6 feet/1 inch 2 feet 5 feet 3 4 feet 7 feet 4 feet 7 feet/1¼ inches 3 feet 6 feet 5 5 feet 8 feet/1¼ inch 5 feet 1½ inches 4 feet 7 feet 7 6 feet 1½ inch 6 feet/¾ inch 1¾ inches 5 feet 8 feet 10 8 feet/¾ inch 2 inches 1 inch 2 inches 6 feet 10 feet 15 1 inch 2½ inches 1¼ inches 2½ inches 7 feet 12 feet 20 1¼ inches 3 inches 1½ inches 3 inches 8 feet 14 feet 25 1¾ inches 3½ inches 2 inches 3½ inches 10 feet 16 feet 45 2 inches 4 inches 2½ inches 4 inches 12 feet 18 feet 65 2½ inches 5 inches 3 inches 5 inches 14 feet 20 feet 95/100 - Table 2.
Transplant height and trunk diameter sizes of Acer rubrum var. drummondii ‘Maroon’, Vitex agnus-castus, and Taxodium distichum at the end of container nursery production prior to transplant to the field sites for in-ground testing.
Container size (#) Acer rubrum Taxodium distichum Vitex agnus-castus Mean trunk diameter (cm) Mean height (cm) Mean trunk diameter (cm) Mean height (cm) Mean canopy spread (cm) Mean height cm) 1 – – 0.4 ± 0.1z 37.0 ± 6.1z 55.5 ± 9.8z 54.7 ± 7.9z 3 0.9 ± 0.1z 114.3 ± 10.9z 0.8 ± 0.1 52.2 ± 5.0 73.2 ± 4.0 76.8 ± 8.1 7 1.7 ± 0.2 188.0 ± 15.6 1.4 ± 0.1 105.3 ± 6.5 119.0 ± 9.5 135.5 ± 23.4 25 4.1 ± 0.1 348.5 ± 20.6 3.3 ± 0.2 194.2 ± 8.2 224.7 ± 19.6 200.8 ± 14.5 45 5.5 ± 0.3 411.7 ± 22.5 4.6 ± 0.3 245.5 ± 8.1 274.5 ± 33.2 266.2 ± 19.6 ↵z Values within a column represent the mean of six observations ± standard errors; dash (–) = could not be estimated.
- Table 3.
Comparison of 2013 weather conditions between College Station, Texas, and Starkville, Mississippi.
Month Location Temperature Total monthly precipitation (cm) Mean maximum (°C) Mean minimum (°C) June Starkville 31.8 18.8 7.1 College Station 35.0 22.8 3.3 July Starkville 31.7 18.5 10.2 College Station 35.6 23.6 3.6 August Starkville 32.4 18.8 5.8 College Station 37.4 23.9 2.0 September Starkville 31.3 17.5 12.4 College Station 34.3 22.4 13.2 October Starkville 23.5 10.6 8.1 College Station 26.8 15.4 23.1 November Starkville 15.7 2.3 13.0 College Station 18.4 8.4 11.7 - Table 4.
Partial analysis of variance for initial growth of Acer rubrum var. drummondii ‘Maroon’, Vitex agnus-castus, and Taxodium distichum transplanted from five container sizes, #1, #3, #7, #25, and #45 to field plots in College Station, Texas, and Starkville, Mississippi. Each species was treated as a separate but concurrent experiment, and arranged in the field in a completely random design.
Experiment Effect Ending Percent change in: Trunk diameter or canopy widthz Tree height Trunk diameter or canopy widthz Tree height Acer rubrum Location *** ns *** ns Container size *** *** *** *** Location × container size ns * ** * Taxodium distichum Location *** ns * ns Container size *** *** *** *** Location × container size * ns ns ns Vitex agnus-castus Location ns ns ns ns Container size *** *** *** *** Location × container size ns * ns ns ↵z Indicates significance of trunk diameter for A. rubrum and T. distichum or canopy width for V. agnus-castus.
Notes: Single asterisk (*) = P ≤ 0.05; double asterisk (**) = P ≤ 0.01; triple asterisk (***) = P ≤ 0.001; ns = not significant at P ≤ 0.05.
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