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首页> 外文期刊>Phytoprotection >Effect of the root-lesion nematode (Pratylenchus penetrans) on annual bluegrass (Poa annua)
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Effect of the root-lesion nematode (Pratylenchus penetrans) on annual bluegrass (Poa annua)

机译：根部线虫（Pratylenchus penetrans）对一年生禾本科（Poa annua）的影响

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摘要

This study was undertaken to assess the effect of various population densities of the root-lesion nematode (Pratylenchus penetrans) on the growth of annual bluegrass (Poa annua) under controlled conditions. In two separate experiments, the nematodeswere inoculated at concentrations of 100, 500, 1000 or 5000 nematodes 100 cm(3) soil per pot or per tube. Nine wk post-inoculation, root P. penetrans populations had increased linearly with initial nematode concentrations in both experiments. Growth andquality of turfgrass were uniform for all treatments, with no significant difference from the control, Under the current experimental conditions, P. annua was shown to be a tolerant host plant to P. penetrans.
机译：进行这项研究是为了评估在受控条件下根部病虫线虫（Pratylenchus penetrans）的各种种群密度对一年生禾草（Poa annua）生长的影响。在两个单独的实验中，线虫接种的浓度为每盆或每管100 cm（3）土壤中的100、500、1000或5000种线虫。在两个实验中，接种后第9周，根茎假单胞菌种群均随着初始线虫浓度线性增加。在所有处理下，草皮草的生长和质量均一，与对照无显着差异。在当前的实验条件下，P。annua被证明是对P. penetrans的耐受宿主植物。

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