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3 results for “Quercus variabilis”
Comparison of the nutrient resorption stoichiometry of Quercus variabilis Blume growing in two sites contrasting in soil phosphorus content
<p>The databases provided here support the statistical analyses of the manuscript “Comparison of the nutrient resorption stoichiometry of <em>Quercus variabilis</em> Blume growing in two sites contrasting in soil phosphorus content” (Annals of Forest Science). The dataset is provided in Microsoft Excel format. The dataset (2015 data) contains information about concentrations of N, C, P, K, Ca, Mg, Fe, Mn, Zn, Cu, Al, and Na (mg g<sup>-1</sup>), ratios of C:N, N:P, and C:P on molar basis in soils, green leaves, and senesced leaves, and their resorption efficiencies and resorption efficiency ratios calculated as log<sub>e</sub>(C<sub>RE</sub>/N<sub>RE</sub>), log<sub>e</sub>(N<sub>RE</sub>/P<sub>RE</sub>) and log<sub>e</sub>(C<sub>RE</sub>/P<sub>RE</sub>) by leaves of <em>Q. variabilis</em>, and also leaf mass per area (mg cm<sup>-2</sup>), total height (m) and diameter at breast height (cm) of the<em> Q. variabilis</em> at P-rich and P-deficient sites, in subtropical China. These data were used to assess differences in nutrient concentrations and the C:N, N:P, and C:P molar ratios of green leaves, senesced leaves, and soils, as well as variations in foliar nutrient resorption efficiencies and resorption efficiency ratios between P-rich and -deficient sites, and to assess the relationship between resorption, and soil or leaf chemistry, and the relationship between LMA and nutrient concentrations or resorption, across P-rich and -deficient sites.</p>
FIGURE 2 in Tubakia byeongjinii, a new species of Tubakiaceae, isolated from Quercus variabilis in South Korea
FIGURE 2. Leaf spot on seedlings of Quercus variabilis caused by Tubakia byeongjinii. A. Symptoms on leaves. B. Scutellum and conidia in germination. C. Close-up view of symptoms and conidiomata. D. Top view of radiate scutellum. E. Conidia. Scale bar: 10 µm.
FIGURE 1 in Tubakia byeongjinii, a new species of Tubakiaceae, isolated from Quercus variabilis in South Korea
FIGURE 1. Phylogenetic relationship between Tubakia byeongjinii isolates and some reference isolates retrieved from the NCBI database, inferred by the maximum likelihood method using a combined data set of the LSU, ITS, and TEF-1α gene regions. Bootstrap values (≥50%) based on 1000 replications are indicated. The scale bar represents 0.01 nucleotide substitutions per site. The isolates used in this work are indicated in bold.
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