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Chrysanthemum synseed germination under in vitro conditions. (a) Synseeds before plasma treatment; (b,c) plasma-treated synseeds grown on solid agar medium—leaf emergence after one week of culture (b) and shoot development after four weeks of culture (c); (d,f) plasma-treated synseeds grown on vermiculite + liquid medium—plasma-treated synseeds grown one week (d) and four weeks (e,f). Bars a–f, 5 mm.
