四种冷季型草坪草对二氧化硫胁迫的生理响应研究
Physiological responses of four cold-season turfgrasses to oxidative stress of SO2
Fig.1 Effect of SO 2 on the content of chlorophyll a and b in four turfgrasses with different concentrations 竖条表示标准差,不同字母表示各处理间差异显著 P <0.05,下同。Bars indicate standard error,different letters mean significant difference among treatments at P <0.05. The same below.
