金佛山方竹根围从枝菌根真菌的初步研究

为了调查金佛山方竹根围从枝菌根(AM)真菌资源,对贵州省正安县、桐梓县和重庆市万盛区金佛山方竹根系菌根侵染情况,根围AM真菌种类组成、分布情况进行研究,结果表明:金佛山方竹可以和AM真菌建立良好的共生关系;从方竹根际土壤中共分离鉴定出AM真菌24种,隶属无梗囊霉Acaulospora、球囊霉属Glomus、两性球囊霉属Ambispora、巨孢囊霉属Gigaspora和盾巨孢囊霉属Scutellospora,其中无梗囊霉属,球囊霉属为金佛山方竹根围优势类群,大型无梗囊霉Acaulospora colossica、蜜色无梗囊霉Acaulospora mellea、疣状无梗囊霉属Acaulospora tuberculata、薄壁原囊霉Ambispora leptotich、珠状巨孢囊霉Gigaspora.margarita、美丽盾巨孢囊霉Scutellospora calospora为金佛山方竹根围优势菌种;孢子丰富度在三个地区为:重庆万盛区贵州正安县贵州桐梓县,分布于贵州正安县的有5属15种、贵州桐梓县有3属9种、分布于重庆万盛区的有5属19种。

Preliminary Study of Arbuscular Mycorrhizal Fungi in the Rhizoshere of Chimonobambusa utilis

In order to investigating Arbuscular mycorrhizal fungi (AMF) resources of the Rhizoshere of Chimonobambusa Utilis.The infection situation,species and genera composition,distribution of AMF in the rhizoshere of chimonobambusa utilis of Zheng an county and Tongzi county of Guizhou,and Wansheng District of Chongqing were studied,the results showed:Chimonobambusa Utilis can establish a good symbiosis relation with AM fungi;24 species of AMF were separated and identified from the rhizospheric soil of Chimonobambusa utilis.Which were belonged to the genera of Acaulospora,Glomus,Ambispora,Gigaspora and Scutellospora,among which Acaulospora were dominant groups and Acaulospora colossica 、Acaulospora mellea 、Acaulospora tuberculata、Ambispora leptotich 、Gigaspora.margarita、Scutellospora calospora were dominant species in the rhizospheric soil of Chimonobambusa utilis.Spore richness in three regions:Wansheng Distric of Chongqing ＞ Zheng an county of Guizhou ＞ Tongzi County of Guizhou.There are 3 genera and 15species in Zheng an county of Guizhou,there are 5 genera and 9 species in Tongzi County of Guizhou,there are 5 genera and 17 species in Chongqing Wansheng District.