To me these don't seem to be varieties but genetic coefficient names.
 
Daniel
 
 
> ----------
> From:         Brandon Claborn[SMTP:[log in to unmask]]
> Reply To:     DSSAT - Crop Models and Applications
> Sent:         Monday, July 20, 1998 3:19 PM
> To:   [log in to unmask]
> Subject:      CERES-Wheat Coefficients
>
> Does anyone know the genetic coefficients for the following varieties
> of
> Winter Wheat:
>
>           P1V  P1D  P5   G1   G2   G3    PHINT
> Karl
> Tonkawa
>
> ALSO, I am looking for papers dealing with applications of the model
> CERES-Wheat in the area of yield response to fertilizer application
> (mainly
> nitrogen).  Especially when using "good" weather inputs and comparing
> to
> actual field data.
>
> Thanks,
>
> Brandon Claborn
> Graduate Student
> Oklahoma State University
> 405.744.8394
> [log in to unmask]
>