Re: CULT: germination
- Subject: Re: CULT: germination
- From: D* G* H*
- Date: Wed, 31 Mar 1999 18:49:23 -0700
- Priority: normal
From: "David G. Holm" <sherlock@amigo.net>
On 31 Mar 99, at 12:45, Randy Squires wrote:
> Figure this one out, when planting TB seeds at the same time, seeds
> from black TB's are the last to germinate and sprout. Perhaps a little
> extra inhiberator on seeds from blacks?
Randy,
The thought of more inhibitor being in seeds from TB black crosses is a
definite possibility. There may be a genetic linkage between the two. It
could also be that these seeds have less promotor (anti-inhibitor). All
growth process are the result of a delicate balance of multiple growth
substances that naturally occur in the plant. That is one reason why plants
can vary so much in performance from year-to-year, garden-to-garden,
and/or region-to-region. Variable growth conditions brought about by
differences in weather, cultural management, disease, etc. can all influence
this balance and subsequent performance of a cultivar.
By the way, based on your experience, do black flowered cultivars tend to
be any later blooming than some other flower colors?
Dave
Dave Holm
Professor of Horticulture (Potato Breeding)
Colorado State University
sherlock@amigo.net
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