Biodiversity of Arbuscular Mycorrhizal (AM) fungi in mangroves of Goa in West India

查看全文 作　　者：James D'[1]Souza;Bernard Felinov [1]Rodrigues

机构地区：[1]Department of Botany, Goa University,Goa 403 206, India

出　　处：《Journal of Forestry Research》索引2013年第24卷第3期,共9页

基　　金：supported by Planning Commission,Government of India, New Delhi 摘　　要：Seventeen mangrove species of eight families at seven riverine and fringe habitats in Goa West India were surveyed for Arbuscular Mycorrhizal (AM) fungal diversity. Sixteen species were found to be mycorrhizal and one species showed no AM fungal colonization. AM root colonization was recorded at all seven sites and ranged from 6%-77%. Maximum root colonization was recorded in Excoecaria agallocha (77%) and minimum colonization in Avicennia marina (6%). Paris-type colonization was predominant at all sites. Auxiliary cells were recorded in roots of Acanthus ilicifolius, Ceriops tagal and Sonneretia alba. AM fungal root colonization and spore density varied by plant species and site. Site average spore density ranged from 1.84 spores·g-1 to 0.54 spores·g-1 of soil. In total, 28 AM fungal species of five genera, viz. Glomus, Acaulospora, Scutellospora, Gigaspora and Entrophospora, were recovered. Glomus was the dominant genus, three species of which were sporocarpic forms. Maximum site species richness (SR) ranged from 16 to 5. Species richness was maximum in A. ilicifolius where seven species of three genera were recovered. Based on relative abundance (RA) and isolation frequency (IF), two common species, viz. G. intraradices and A. laevis, were recovered from all seven sites. 关键词：AM真菌生物多样性丛枝菌根红树林西印度物种丰富度孢子密度植物物种

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Biodiversity of Arbuscular Mycorrhizal (AM) fungi in mangroves of Goa in West India

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