Comparative Analyses of Physiological Responses of Cynodon dactylon Accessions from Southwest China to Sulfur Dioxide Toxicity

Figure 2

Symptoms of C. dactylon accessions in response to SO₂. (a) SO₂-sensitive representative C. dactylon accession CQ1116, (b) intermediate SO₂-tolerant representative C. dactylon accession SC1217, (c) high SO₂-tolerant representative C. dactylon accession SC1203, and (d) C. dactylon accession CQ1116 without SO₂ treatment as a control.

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