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Biology, 01.08.2020 03:01 kev71

Cocklebur will not flower if exposed to 8 hours of dark and 16 hours of light. It will flower if exposed to 16 hours of dark and 8 hours of light. However, if the 16 hours of dark is interrupted with a brief period of light the cocklebur will not flower. What triggers cocklebur to flower

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Cocklebur will not flower if exposed to 8 hours of dark and 16 hours of light. It will flower if exp...

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