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钦州湾红树林丛枝菌根初步研究
王桂文;李海鹰;孙文波
1.广西科学院生物研究所;2.广西科学院生物研究所 广西南宁530003;3.广西南宁530003
摘要:
海漆 (Excoecaria agallocha)、桐花树 (Aegiceras corniculatum)、秋茄 (Kandlia candel)、白骨壤 (Avi-cennia marina)是钦州湾分布广、生长量大的 4种红树植物 ,该项研究初步调查了丛枝菌根真菌在这四种植物根系的定居情况。在这四种植物的根际土壤均分离到丛枝菌根真菌孢子 ,其孢子密度以海漆根际的最高 ,其次为桐花树、秋茄、白骨壤。同时 ,海漆根系的侵染率和物种丰富度也最高 ,但在所取的白骨壤根样中没有观察到丛枝菌根的侵染。菌根侵染主要是以根内菌丝、胞内菌丝膨大扭曲、泡囊等形态出现。海水和土壤质地是影响菌根侵染率的主要因素...
关键词:  红树林    丛枝菌根真菌    分布
DOI:
分类号:
Fund project:广西自然科学基金 (桂科自 981 1 0 1 7)
Abstract:
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