入侵植物加拿大一枝黄花根际解钾菌多样性及解钾活性

闫雅楠,叶小齐,吴明,闫明,张昕丽

Diversity and potassium-solubilizing activity of rhizosphere potassium-solubilizing bacteria of invasive Solidago canadensis

YAN Ya-Nan,YE Xiao-Qi,WU Ming,YAN Ming,ZHANG Xin-Li

表3 白茅5株根际解钾菌菌落形态特征和解钾能力

Table 3 Colony characteristics and potassium-solubilizing ability of 5 strains of rhizosphere potassium-solubilizing bacteria from Imperata cylindrica

菌株编号 Strain No. 菌落形态特征 Colony morphology characteristics 解钾圈半径 potassium- solubilizing ring (R)(cm) 菌落半径 Radius of the colony (r)(cm) R/r B1-6 凸起低, 浑浊, 中央色素呈同心圆状 Low protrusion, turbid, concentric circle of central pigments 0.74 0.55 1.34 B6-7 不规则凸起, 浑浊 Irregular bulge, turbidity 0.65 0.55 1.18 B2-9 菌斑小且不规则, 白色, 无凸起 Plaque small and irregular, white, without protuberance 0.92 0.70 1.31 B4-11 规则液滴状, 凸起较高, 色素淡且均匀 Regular droplet shape, higher protuberance, light and uniform pigmentation 0.50 0.41 1.22 B6-13 液滴状, 凸起高, 色素均匀沉着 Droplet-like, protruding, uniformly pigmented 0.56 0.46 1.21