Since there has not been a lot of traffic on this list, I'll reply
again.
 
Paul, thanks for the def's of the GCs for wheat. Actually, I really
wanted Brandon to describe what "Karl"
and "Tonokawa" are...
 
Maybe because I never knew I was named after a wheat variety :-)
Karl
______________________________________________
Dow AgroSciences LLC          [log in to unmask]
9330 Zionsville Rd.                 PHONE: 317-337-3140
Indianapolis, IN 46268 USA    FAX: 317-337-3215
 
>----------
>From:  Wilkens, Paul W. <[log in to unmask]>[SMTP:[log in to unmask]]
>Sent:  Monday, July 27, 1998 8:30 AM
>To:    [log in to unmask]
>Subject:       Re: CERES-Wheat Coefficients
>
>Hello, Karl
>
>The definition of the wheat genetic coefficients are listed below.
>
>P1V   Relative amount that development is slowed for each day of
>      unfulfilled vernalization, assuming that 50 days of
>      vernalization is sufficient for all cultivars.
>P1D   Relative amount that development is slowed when plants are
>      grown in a photoperiod 1 hour shorter than the optimum (which
>      is considered to be 20 hours).
>P5    Relative grain filling duration based on thermal time (degree
>      days above a base temperature of 1 C), where each unit increase
>      above zero adds 20 degree days to an initial value of 430
>      degree days.
>G1    Kernel number per unit weight of stem (less leaf blades and
>      sheaths) plus spike at anthesis (1/g).
>G2    Kernel filling rate under optimum conditions (mg/day).
>G3    Non-stressed dry weight of a single stem (excluding leaf
>      blades and sheaths) and spike when elongation ceases (g).
>PHINT Phylochron interval; the interval in thermal time (degree days)
>      between successive leaf tip appearances.
>
>Paul
>
>Paul W. Wilkens
>International Fertilizer Development Center
>P.O. Box 2040
>Muscle Shoals, Alabama  35662 USA
>Tel      (256) 381-6600 (New Area Code!)
>Fax     (256) 381-7408 (New Area Code!)
>e-mail [log in to unmask]
>http://www.ifdc.org/
>
>"Once we've got the bugs ironed out, we'll be running on flat bugs."
>
>
>
>-----Original Message-----
>From: Schnelle, Karl [mailto:[log in to unmask]]
>Sent: Monday, July 27, 1998 8:09 AM
>To: [log in to unmask]
>Subject: Re: CERES-Wheat Coefficients
>
>
>And here I thought "Karl Tonkowa" forgot to include the variety names...
> Can you explain what these are, just for the benefit of the non-wheat
>people on the list?
>
>Karl
>Schnelle
>
>>----------
>>From:  Brandon Claborn[SMTP:[log in to unmask]]
>>Sent:  Monday, July 27, 1998 7:58 AM
>>To:    [log in to unmask]
>>Subject:       Re: CERES-Wheat Coefficients
>>
>>The varieties are "Karl" and "Tonkowa".  The row across the top is the
>>variable name for the genetic coefficients.
>>
>>Thanks,
>>Brandon Claborn
>>
>