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首页> 外文期刊>Journal of Botany >Arbuscular Mycorrhizal and Dark Septate Endophyte Fungal Associations in South Indian Aquatic and Wetland Macrophytes
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Arbuscular Mycorrhizal and Dark Septate Endophyte Fungal Associations in South Indian Aquatic and Wetland Macrophytes

机译：南印度水生和湿地大型植物的丛枝菌根和深色分隔的内生真菌组合

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摘要

Investigations on the prevalence of arbuscular mycorrhizal (AM) and dark septate endophyte (DSE) fungal symbioses are limited for plants growing in tropical aquatic and wetland habitats compared to those growing on terrestrial moist or dry habitats. Therefore, we assessed the incidence of AM and DSE symbiosis in 8 hydrophytes and 50 wetland plants from four sites in south India. Of the 58 plant species examined, we found AM and DSE fungal symbiosis in 21 and five species, respectively. We reported for the first time AM and DSE fungal symbiosis in seven and five species, respectively. Intermediate-type AM morphology was common, and AM morphology is reported for the first time in 16 plant species. Both AM and DSE fungal colonization varied significantly across plant species and sites. Intact and identifiable AM fungal spores occurred in root zones of nine plant species, but AM fungal species richness was low. Though no clear relationship between AM and DSE fungal colonization was recognized, a significant negative correlation between AM colonization and spore numbers was established. Our study suggests that the occurrence of AM and DSE fungal symbiosis in plants growing in hydrophytic and wetland habitats is not as common as in terrestrial habitats.
机译：与在陆地湿润或干燥生境下生长的植物相比，对于丛枝菌根（AM）和深色隔生内生菌（DSE）真菌共生菌的流行程度的研究仅限于在热带水生和湿地生境中生长的植物。因此，我们评估了印度南部四个地点的8种水生植物和50种湿地植物中AM和DSE共生的发生率。在检查的58种植物中，我们分别发现21种和5种AM和DSE真菌共生。我们首次报道了AM和DSE真菌共生分别在7种和5种中。中间型AM形态很普遍，在16种植物中首次报道AM形态。 AM和DSE真菌的定植在植物物种和部位之间都存在显着差异。完整和可识别的AM真菌孢子出现在9种植物的根部区域，但AM真菌物种丰富度较低。虽然没有认识到AM和DSE真菌定植之间的明确关系，但AM定植与孢子数量之间存在显着的负相关。我们的研究表明，在水生和湿地生境中生长的植物中AM和DSE真菌共生的发生不像陆地生境中常见。

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