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首页> 外文期刊>Journal of Turfgrass Management >The impact of arbuscular mycorrhizae and phosphorus status on growth of two turfgrass species.
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The impact of arbuscular mycorrhizae and phosphorus status on growth of two turfgrass species.

机译：丛枝菌根和磷状况对两种草皮草生长的影响。

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摘要

The effects of the arbuscular-mycorrhizal fungus Glomus mosseae on the growth of 2 turfgrass species, creeping bentgrass (Agrostis stolonifera) and Kentucky bluegrass (Poa pratensis), were investigated in relation to P nutrition. The grasses were grown in a greenhouse in a randomized block design pot culture experiment, and received complete or 75% reduced P nutrition on a weekly basis for 16 weeks. Root colonization as the arbuscular form reached >40% in both species under both nutrient regimes bythe end of the growth period. Mycorrhizal turfgrass plants tended to produce more above ground biomass over time than non-mycorrhizal plants. The chlorophyll content and root density were not significantly altered by mycorrhizal colonization in either grass species. It is suggested that the establishment of arbuscular mycorrhizal-grass symbiosis could help in reducing fertilizer inputs.
机译：研究了与磷营养有关的丛枝菌根真菌Glomus mosseae对两种草皮草生长的影响，其中包括蔓生的草皮草（Agrostis stolonifera）和肯塔基草（Poa pratensis）。在随机分组设计盆栽试验中，将草在温室中生长，并在16周内每周接受完全或75％的低磷营养。在两种营养体系下，到生长期结束时，两种形态的根定居都以丛枝形式达到> 40％。随时间推移，菌根草皮植物比非菌根植物倾向于产生更多的地上生物量。菌根定殖在两种草种中均未显着改变叶绿素含量和根系密度。建议建立丛枝菌根-草共生可以帮助减少肥料投入。

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