Development of the Inflorescence in Petunia, Geranium, and Poinsettia under Ozone Stress1
Open Access
- 1 February 1972
- journal article
- Published by American Society for Horticultural Science in HortScience
- Vol. 7 (1) , 59-60
- https://doi.org/10.21273/hortsci.7.1.59
Abstract
Increasing concn of ozone up to 10 to 12 μl/liter decreased anthocyanin content and increased fresh wt but not size in flowers of petunia (Petunia hybrida Vilmorin, cv. Blue Lagoon) and geranium (Pelargonium hortorum Bailey, cv. Red Perfection). Bract anthocyanin increased and bract size decreased in poinsettia (Euphorbia pulcherrima Wildenow, cv. Paul Mikkelson) under the same ozone treatments. Responses were not associated with visible oxidant injury to plant leaves.Keywords
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