[Maize] necrosis syndrome at the base of leaf

chi chih via maize%40net.bio.net (by macchih from gmail.com)
Mon Mar 23 12:56:37 EST 2009


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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