Resource allocation to growth or luxury consumption drives mycorrhizal responses

Growth and functional trait data for Brachypodium distachyon grown under variable nitrogen and phosphorus supply rates and in the presence or absence of arbuscular mycorrhizal (AM) fungi.<br>ID.Tag = unique plant identifierGenotype = Genotype of B. distachyonSalt = Salinity treatment (not manipulated here)Nutrient = Nutrient addition treatmentMycorrhizal = AM fungi added or notlane, position = pot location in glasshousePSA.fd = projected shoot area on final day (in pixels)<br>HA.fd = hue angle on final dayAGRmax = maximum absolute growth rate (pixels/day)<br>Dry.Shoot.Weights = dry mass of shoot (g)Dry.Root.Weights = dry mass of root (g)Fresh.Shoot.Weights = mass of shoot before drying (g)P.concentration = tissue phosphorus concentration (mg/g)<br>N.concentration = tissue nitrogen concentration (mg/g)<br>C.concentration = tissue carbon concentration (mg/g)Tissue.C.N.ratio = mass ratio of C to N in tissueTissue.N.P.ratio = mass ratio of N to P in tissueSupply.NP.ratio = mass ratio of available N to available P in soil <br>SAMR = shoot area to mass ratio (pixels/g)<br>Total.Shoot.P = total mass of phosphorus in tissue (mg)<br>Total.Shoot.N = total mass of nitrogen in tissue (mg)RMF = root mass fraction<br>percent.colonisation = <br>PC1 = ordination of plant functional traits, loadings on first axis<br>PC2 = ordination of plant functional traits, loadings on second axis<br>PC1.response = ordination of plant functional traits excluding N and P concentrations, loadings on first axis<br>MGR = mycorrhizal growth response calculated from PSA on final day<br><br>For more details, see publication (<i>to be included</i>).<br><br>

本数据集为二穗短柄草（Brachypodium distachyon）在不同氮、磷供给水平下，以及接种或不接种丛枝菌根（arbuscular mycorrhizal, AM）真菌条件下的生长与功能性状数据。<br>ID.Tag：唯一植株标识符<br>Genotype：二穗短柄草的基因型<br>Salt：盐胁迫处理（本研究中未进行人工调控）<br>Nutrient：养分添加处理<br>Mycorrhizal：是否接种AM真菌<br>lane, position：温室中盆钵的摆放位置<br>PSA.fd：试验末期地上部投影面积（单位：像素）<br>HA.fd：试验末期色相角<br>AGRmax：最大绝对生长速率（单位：像素/天）<br>Dry.Shoot.Weights：地上部干重（单位：克）<br>Dry.Root.Weights：地下部干重（单位：克）<br>Fresh.Shoot.Weights：烘干前地上部鲜重（单位：克）<br>P.concentration：组织磷浓度（单位：毫克/克）<br>N.concentration：组织氮浓度（单位：毫克/克）<br>C.concentration：组织碳浓度（单位：毫克/克）<br>Tissue.C.N.ratio：组织碳氮质量比<br>Tissue.N.P.ratio：组织氮磷质量比<br>Supply.NP.ratio：土壤中有效氮与有效磷的质量比<br>SAMR：地上部面积与生物量比（单位：像素/克）<br>Total.Shoot.P：地上部组织总磷质量（单位：毫克）<br>Total.Shoot.N：地上部组织总氮质量（单位：毫克）<br>RMF：根生物量比<br>percent.colonisation：菌根定殖率<br>PC1：植物功能性状排序第一轴的载荷值<br>PC2：植物功能性状排序第二轴的载荷值<br>PC1.response：剔除氮、磷浓度后的植物功能性状排序第一轴的载荷值<br>MGR：基于试验末期地上部投影面积计算得到的菌根生长响应值<br><br>详细信息请参阅待发表的相关研究论文。<br><br>