Estimation of Outcrossing in Basil

in HortScience
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  • 1 Department of Horticulture, Purdue University, West Lafayette, IN 47907-1165

The rate of outcrossing in basil [eight accessions of Ocimum basilicum L. and one accession purported to be O. kilimandscharicum Guerke (`Juicy Fruit')] was estimated using a purple seedling marker in `Dark Opal' (O. basilicum). There were two patterns of outcrossing: `Picollo' and four sources of `Cinnamon' basil had outcrossing rates between 19.9% and 32.8%, while `Lemon', PI 368699, PI 174284, and a Purdue selection named `Juicy Fruit' had outcrossing rates between 1.6% and 3.4%.

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