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Re: HYB: Daylength independent


Chuck, have you tracked FB's ancestry back to species? Any intuition/thoughts/wild guesses as to sources of rebloom?

Anybody tracked back cycle (spring/fall only) vs "summer" rebloomers to species?

Just wondering if the different types may originate from different species (aphylla vs ?) or maybe different clones (i.e., time periods) of aphylla. Probably somebody has already speculated about this in the Bulletin or Recorder, but I can't remember.

If some of the summer and cycle rebloomers come from the same source, that lends support to the idea that summer rebloom might be a series or dosage effect (i.e., same gene in cold climate summer, cc cycle, and California summer). With a temperature trigger added to cold climate (or subtracted from warm climate).

Which would be encouraging since several of us are trying to make 1) [(cold climate cycle or cold climate summer) X california summer], 2) sibs of the former, and 3) [(cold climate cycle x california summer) X ditto] type crosses to get summer rebloom (either cold climate <or> California) to improve form, increase color range, and get summer (or at least earlier fall) rebloom.

--
Linda Mann east Tennessee USA zone 7/8
East Tennessee Iris Society <http://www.DiscoverET.org/etis>
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talk archives: <http://www.hort.net/lists/iris-talk/>
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