Michael,
G3 is based on dry weight (mg/kernel day). Is the potential gain in grain
dry weight (on a per grain basis) during the linear phase of grain filling,
for any particular genotype.
Hope this will help.
Regards,

At 05:36 PM 8/30/99 -0500, you wrote:
>    The maize genetic parameter G3 Kernel Weight Coefficient is given as
>the kernel filling rate in mg/day.  I have some data on Tohono
>(Pima-Papago) maize for average production (grams)  per plant, average
>number of kernels per plant, and the time between silking and maturity.
>Is the G3 parameter based on dried weight or pre-dried weight?
>
>--
>Michael Pool
>[log in to unmask]
>Anthropology/Geography Department
>Austin Community College


Jon I. Lizaso
Dep. Agricultural & Biosystems Engineering
124 Davidson Hall
Iowa State University    515 294 7350 (Voice)
Ames IA 50011            515 294 2552 (Fax)