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were scanned on a desk Epson Perfection V800 Photo scanner (Epson America Inc., Long Beach, CA) calibrated with grayscale scanning and 600-dpi resolution ( Costa, et al., 2001 ). The root morphology traits measured included total root length (TRL

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manually spread apart. Roots on each cutting were measured using a standard metric ruler to the nearest millimeter. Number of roots and length of each root on all rooted cuttings were measured if the root was over 2.0 mm long. The total root length and

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.05) was found among the wounded and non-wounded treatments for rooting percentage, mean root number per cutting, or mean total root length. Wounding increased mean root length per cutting. Wounded cuttings averaged 9.0 cm, whereas non-wounded cuttings

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experiment was set up to evaluate the effects of different degrees of taproot pruning on root regeneration. Compared with Expt. 1, 1/3 of the total length of the radicle was removed at stage III ( Fig. 1-III ), stage IV ( Fig. 1-IV ), and stage V ( Fig. 1-V

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it is important to determine the distribution of root length density with soil depth in addition to measuring total root length density to assess differences in rooting between cultivars and nutrient regimes. Annual bluegrass growth and

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characteristics (weight, total length, and extension rate) of st. augustinegrass sod during a 35-d establishment period, and 2) compare the quality and rooting potential of ‘TamStar’ and ‘Floratam’. Materials and methods This research was conducted at the Texas A

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same time ( Table 1 ). Upon harvest, roots (if present) were washed and digitally scanned for analysis (total root length and total root volume) using WinRhizo software (version 2007d; Regent Instruments, Sainte-Foy, QC, Canada). New shoot growth (if

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photograph of the traced roots, and uploading the image to root reading software (RootReader 2D Version 4.3.1; Cornell University, USDA-ARS, Ithaca, NY). The RootReader 2D software selected the traced roots and measured total root length of the entire picture

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-zero reference data, we compared mean total shoot length, dry shoot weight, total leaf surface area, and dry root weight between cultivars using General Linear Model (GLM) analysis of variance (ANOVA). In addition, we performed a linear regression analysis to

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(WinRHIZO version 2012b; Regent Instruments, Quebec, QC, Canada). Root morphologic data collected from these scans included TRL, average root diameter, diameter class length, diameter class length proportions, and total root surface area. TRL of root systems

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