sinensis showed a clear trend toward more positive δ 13 C‐CH 4 change rate values when 13 C‐labeled DMSO was applied to plant leaves, except for N. tabacum when incubated in the dark.
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Making plant methane formation visible-Insights from application of <sup>13</sup>C-labeled dimethyl sulfoxide.
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The sentences
Headspace from control samples showed only a marginal trend toward more positive δ 13 C‐CH 4 values (−47.3 ± 0.3‰ to −44.8 ± 1.1‰) during the incubation period while considerable change in δ 13 C‐CH 4 values (−47.3 ± 0.3‰ to +47.1 ± 11.9‰) was observed for N. tabacum incubated under light conditions (100 μmol m −2 s −1 ).