花铃期棉花黄萎病抗病与感病品种对 土壤细菌群落结构的影响

赵卫松,郭庆港,李社增,王培培,鹿秀云,苏振贺,张晓云,马平

Effect of Wilt-Resistant and Wilt-Susceptible Cotton on Soil Bacterial Community Structure at Flowering and Boll Stage

WeiSong ZHAO,QingGang GUO,SheZeng LI,PeiPei WANG,XiuYun LU,ZhenHe SU,XiaoYun ZHANG,Ping MA

表1 土壤理化性质测定

Table 1 Detection of soil physicochemical properties

指标 Index 鄂荆1号 EJ 冀863 J863 盛花期 Flowering stage 开花后期 Late flowering stage 结铃期 Boll-forming stage 盛花期 Flowering stage 开花后期 Late flowering stage 结铃期 Boll-forming stage 铵态氮NH4+-N (mg·kg-1) 59.20±1.32a 35.24±0.96b 65.35±2.11a 28.70±1.25b 22.71±1.05c 36.32±0.95a 硝态氮NO3--N (mg·kg-1) 66.28±2.03a 4.74±1.41b 2.70±0.73c 45.77±1.49a 15.00±2.35b 7.31±0.93c pH 7.98±0.04a 7.64±0.08b 7.65±0.03b 7.65±0.04a 7.68±0.02a 7.55±0.04a 速效磷AP (mg·kg-1) 676.39±2.48b 625.76±1.53c 689.13±2.58a 624.07±2.05b 597.07±3.27c 656.84±2.55a 无机磷IP (μg·g-1) 252.37±3.55b 365.93±2.49a 89.69±5.02c 277.60±3.27b 353.31±2.95a 100.95±2.63c 有机质OM (%) 0.45±0.06a 0.37±0.02b 0.34±0.05b 0.40±0.05a 0.31±0.01b 0.24±0.03c