Re: HYB: seed germination?
- Subject: Re: HYB: seed germination?
- From: p*
- Date: Sun, 10 Mar 2002 03:39:45 -0000
Zowie, this stuff is complex! Now we're into two years before
germination?
When I planted last Nov. after putting the seeds through drying,
chilling and soaking, I kept wondering why I did that, since November
exactly duplicated my efforts: chill, steady rain... I thought
maybe I'd overdone it and they'd be too pooped to pop.
And so far they haven't popped. But if they don't, how will I know
why? What done or undone.
I had naively thought that if a pod set and normal-looking seeds came
out of it, that process, treatment, would be all that determined
germination or no. No?
Patricia Brooks
Whidbey Island, WA, zone 8/9
--- In iris-talk@y..., Linda Mann <lmann@v...> wrote:
> Griff Crump -- along the tidal Potomac in Virginia-- said:
> < I got two pods on it [Brazilian Holiday] in 2000; one gave 55
seeds,
> of which none germinated; the other gave two seeds, of which one
> germinated. Both were crosses with seedlings. To be fair, I must
say
> that I had generally lousy germination in 2000. I'm looking to see
> what the sole survivor turns out to be this spring.>
>
> Wonderful to hear, Griff (misery loves company). Do you have
theories
> about why you had such poor germination (about the same miserable
> success I've had the last two years)?
>
> Weather, nutrients, other environmental factors during seed
development?
>
> Ditto during seed germination?
>
> Genetics of the mixture of parents?
>
> All of the above?
>
> Strange things I haven't thought of that happen on the west coast
that
> we don't have? Mycorhizal interactions within the womb? [don't
panic,
> BS, I'm being silly, but you never know....]
>
> Did your seeds look 'normal'? All of mine did, and like your BH
pod,
> some of my pods had a lot of seeds.
>
> I wonder if average number of seeds set per pod combined with
number of
> successful pods per cross under presumably good conditions to make
> crosses (right age of bloom, humidity, temperature, nutrition etc)
might
> give some indication of viability of seeds? In other words, the
last
> three years, I had a poor success rate in setting pods and a poor
> germination rate the last two springs, plus it is looking like
another
> dismal germination rate this year. At least this year, I will be
pretty
> certain it isn't due to conditions during germination, since I've
gone
> pretty much with as much control as I can muster..
>
> I'd appreciate any thoughts from hybridizers who sometimes have poor
> germination and sometimes good.
>
> Linda Mann east Tennessee USA zone 7/8
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