necrosis syndrome at the base of leaf

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Article #74

#74

From: chi chih
Date: Mon, 23 Mar 2009 17:56

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Hi,
I grew teosinte and corn in the greenhouse, CU at Boulder, and got a  
problem.
Recently, I found necrosis at the base of leaf of teosinte and corn.  
Does any have any thought about this problem.
I post a picture on Picasea. Please look at it and give me some  
suggestion. Thanks in advance.
CHI-CHIH WU

Teosinte
http://picasaweb.google.com/macchih/Teosinte_in_greenhouse?feat=directlink

Growing condition:
1. Growing in 4-gallon plastic pot
2. Dirt- Fafard Canadian Growing Mix-2
3. Fertilizer:  Hoagland's solution
4. Pesticide: spray to treat mite and aphid
5. Elevation: 5430 feet
6.

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From: chi chih <macchih@gmail.com>
Newsgroups: bionet.maize
Subject: necrosis syndrome at the base of leaf
Date: Mon, 23 Mar 2009 11:56:37 -0600
Organization: BIOSCI/IUBio, Biology Dept., Indiana University
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