Re: HYB: germination data-terms

Well, I can certainly agree with the point that a germination that fails to
produce a seedling is moot anyway.   I just wanted to note that there might be
some variation in what was actually being measured.  

If the consensus is
that we only count seedlings that's fine too.   At what age, or stage of
growth are y'all counting your seedlings?

Christian
________________________________
From: Anita Moran <avmoran1@earthlink.net>
To: iris@hort.net
Sent: Monday, June 22, 2009 6:41:02 AM
Subject: Re: [iris]
HYB: germination data-terms

Christian

I am going to have to disagree with
you as well. A seed that has produces a root sprout and fails is the same as
an egg that fails to hatch, it is still a failure and these should not be
included in a count.  In fact the Diffinition of Germinations is:
"Germination is the growth of an embryonic plant contained within a seed;
which results in the formation of the seedling."

So if only a root is
produced it is technically a failed germination since it did not result in a
seedling.

Good thinking though
:)
Anita 


-----Original Message-----
>From:
christian foster <flatnflashy@yahoo.com>
>Sent: Jun 21, 2009 2:33 PM
>To:
iris@hort.net
>Subject: [iris] HYB: germination data-terms
>
>I've been
following the recent thread about germination processes.  This year is no
different from any other year I can remember. 
>
>I feel I must stamp my foot
and scowl for a moment.  We are not being specific with our terminology, and
as a result some of the data that is being offered is corrupted.
>
>A few
stalwart souls who are planting their seeds directly outside are reporting
"germination" rates, but this is inaccurate.  If the germination rate is being
calculated based upon the number of green seedlings detected at the soil
surface this is not technically a germination rate.  Rather this is the number
of seedlings which both germinated AND survived to that level of maturity.  
>
>If we are comparing that data to data on burrito germination, which is
presumably a count of the number of seeds that actually produced a root
sprout, then we are comparing apples to oranges.  Arguably, if they don't
emerge above ground  there is no value in the seed
>either way, but I'm only
arguing that it is a different data set. 
>
>I think there is value in both
sets of data.  I just want to note that there is a difference between a seed
that has not germinated (yet) and a seed that germinated but failed before the
plant was detected above ground.
>
>christian
>
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Anita Moran
Pilmore Gardens
USDA 6B
Maryland
AIS, ASI,
FSKIS

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