施钙对酸性红壤花生根系内生细菌群落结构的影响

张玮, 洪艳云, 刘登望, 张博文, 易图永, 李林

Effects of calcium application on the structural diversity of endophytic bacterial community in peanut roots under acidic red soil cultivation

ZHANG Wei, HONG Yan-Yun, LIU Deng-Wang, ZHANG Bo-Wen, YI Tu-Yong, LI Lin

表2 属分类水平下不同生育期不同处理相对丰度百分比Top 10的根系内生菌

Table 2 Percentage of the Top 10 relative abundance under different growth stage and different treatments at the genus level

处理 Treatment 样品编号 Sample group 优势菌属 Dominant genus 相对丰度百分比PRA (%) 处理 Treatment 样品编号 Sample group 优势菌属 Dominant genus 相对丰度百分比PRA(%) 苗期不施钙 Seeding stage without calcium B.R. Acinetobacter 16.9 苗期施钙 Seeding stage with calcium BC.R. Klebsiella 30.1 Klebsiella 16.8 Bacillus 26.3 Enterobacter 7.5 Enterobacter 6.1 Anoxybacillus 5.0 Enhydrobacter 5.1 Herbaspirillum 4.9 Bradyrhizobium 1.8 花针期不施钙 Acicula forming stage without calcium F.R. Klebsiella 16.9 花针期施钙 Acicula forming stage with calcium FC.R. Klebsiella 37.2 Enterobacter 8.9 Stenotrophomonas 13.1 Acinetobacter 6.7 Pseudomonas 8.7 Pantoea 5.0 Comamonas 8.3 Dyella 3.7 Enterobacter 7.4 饱果期不施钙 Pod maturing stage without calcium P.R. Klebsiella 33.4 饱果期施钙 Pod maturing stage with calcium PC.R. Klebsiella 30.9 Enterobacter 11.3 Pseudomonas 8.9 Paenibacillus 6.3 Paenibacillus 8.7 Pseudomonas 4.9 Lysinibacillus 8.3 Bacillus 1.7 Bacillus 3.2