西北沙区梭梭根系深色有隔内生真菌等微生物时空分布及对根际土壤环境的响应

赵昕,高慧利,龙俊萌,刘燕霞,李夏,贺学礼

Spatial and temporal distribution and the response to rhizosphere soil environment of dark septate endophyte and other microorganisms in roots of Haloxylon ammodendron in sand area of Northwest China

ZHAO Xin,GAO Hui-Li,LONG Jun-Meng,LIU Yan-Xia,LI Xia,HE Xue-Li

表9 深色有隔内生真菌定殖率与土壤微生物群落和碳源代谢功能相关性分析

Table 9 Correlation analysis of colonization rate of dark septate endophyte and soil microbial community and catabolic function

项目 Item 菌丝定殖率 Hyphal colonization rate 微菌核定殖率 Microsclerotial colonization rate 总定殖率 Total colonization rate AM真菌AM fungi 0.206 0.415* 0.279 土壤真菌Soil fungi 0.549* 0.479* 0.318 放线菌Actinomycetes 0.350 0.369 0.224 革兰氏阴性细菌 Gram negative bacteria 0.554* 0.573 0.460 革兰氏阳性细菌 Gram positive bacteria 0.465 0.577* 0.462 碳水化合物Carbohydrate 0.420 0.583* 0.532* 羧酸Carboxylic acids 0.363 0.563* 0.484* 多聚物Polymers 0.271 0.606** 0.505* 胺类Amine 0.458 0.645* 0.529* 酚酸类Phenolic acids 0.441 0.629** 0.538* 氨基酸类Amino acids 0.406 0.591** 0.486*