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dc.contributor.authorPahol Kosiyachindaen_US
dc.description.abstractPaphiopedilum exul (Ridl.) Rolfe is one of terrestrial or lithophytic orchids also known as the ''lady's slipper orchid''. The distribution is native around limestone mountain at western and eastern coasts of Thailand. The suitable conditions for P. exul seed germination were constructed. Seeds from 5-month-old fruits cultured on half-strength Murashige and Skoog agar medium (½ MS) at different pH levels (5, 5.6, 6.2, and 6.8) and supplemented with 10, 20, and 30 g L-1 sucrose. Seeds were cultured in dark conditions for 2 months and then cultured at 25±3°C under light intensity of 37 µmol m-1 s-1 for 16 h d-1 for 1 month. The results showed that different pH levels affected seed development to germination. The pH 5, 5.6, 6.2, and 6.8 gave seed germination of 28.07, 26.33, 21.75 and 19.12%, respectively. Sucrose concentrations did not affect seed germination significantly, but 20 g L-1 sucrose tended to give high seed germination at 24.97%. There is no interaction between sucrose and pH on seed germination.en_US
dc.publisherInternational Society for Horticultural Science (ISHS)en_US
dc.relation.ispartofseriesActa Horticulturae 1167;95-100-
dc.sourceProceedings of the I International Symposium on Tropical and Subtropical Ornamentalsen_US
dc.subjectseed propagationen_US
dc.subjectLady's slipper orchiden_US
dc.titleEffects of pH and sucrose on seed germination of Paphiopedilum exul (Ridl.) Rolfeen_US
Appears in Collections:Biology: International Proceedings

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