Temperature effects on self incompatibility in Lilium longiflorum |
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Authors: | R. J. Campbell H. F. Linskens |
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Affiliation: | (1) Department of Botany, University of Nijmegen, Toernooiveld, NL-6525 ED Nijmegen, The Netherlands |
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Abstract: | Summary Detached pistils of the clonal variety, Lilium longiflorum Aral No. 5, were submerged before pollination in 50°C water for 0, 1, 2, 3, 4, 5, 6 or 7 min and then immediately compatibly and incompatibly pollinated. Incompatibility, as indicated by pollen tube length after 48 h at 23.5°C, was eliminated by a 1–2 min submersion while compatibility was removed by a 4–5 min one. The window of incubation temperatures at which incompatible and compatible pollen tubes are clearly differentiated occurred between 15 and 30°C. |
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Keywords: | Self incompatibility Compatibility Pollen tube growth Heat treatment Aging Lilium longiflorum Seed set |
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