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Objective plant growth indicators between dent and black layer

Manjit Kang mkang at agctr.lsu.edu
Thu Sep 9 21:43:41 EST 1999

Dear Dr. Lamm:

An M.S. student of mine conducted a study in 1996 in Baton Rouge using the
North Carolina Design II. His results have recently been published in Field
Crops Research 61:211-222 (1999). Data presented in Table 1 show values for
kernel-fill rate/day ranging from 8.32 mg to 11.21 g with an LSD (0.05) =
0.24. Hope this information is helpful.


Manjit Kang

Manjit S. Kang, Professor, Quantitative Genetics
105 Sturgis Hall, LA State Univ., Baton Rouge, LA 70803-2110, USA
http://appl003.ocs.lsu.edu/paws005.nsf/$Unique/mkang1?OpenDocument )

-----Original Message-----
From: Freddie Lamm <flamm at oz.oznet.ksu.edu>
Newsgroups: bionet.maize
To: nobody at net.bio.net <nobody at net.bio.net>
Date: Thursday, September 09, 1999 5:52 PM
Subject: Objective plant growth indicators between dent and black layer

>Are there any easily obtained reliable plant growth stages between
>beginning dent and black layer for corn?  I'm aware of R5 and R6.
>Additionally, what are some reasonable expected ranges of kernel
>wt/day increases during the linear phase of grain fill. In other words,
>what value might be considered high.

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