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Opium
editThese have opium? —Preceding unsigned comment added by 187.65.201.227 (talk) 19:01, 16 April 2010 (UTC)
- Not in significant quantity. BioImages2000 (talk) 21:12, 1 July 2022 (UTC)
Hybridization
edit"By careful selection and hybridization" I suspect you mean "crossing" (ie between strains of single species), rather than hybridization (interbreeding with a different species) BioImages2000 (talk) 21:17, 1 July 2022 (UTC)