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Japanese hops, a new weed species to be aware of in Wisconsin |
Wisconsin Crop Manager
Weeds
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By WCM Staff on
8/21/2008 4:15 PM
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Last week we received two unknown weed samples for identification, one from a homeowner, the other from a field in southwest Wisconsin. The homeowner version was common hops, a native species or non-native variety of this species used for hop production for beer (Humulus lupulus). The other species in the agricultural field was Japanese hops (Humulus japonicus) a new non native invasive plant spreading in Wisconsin.
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Late Season Foliar Diseases of Corn |
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Wisconsin Crop Manager
Plant Disease
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By WCM Staff on
8/13/2008 2:05 PM
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As we have moved into our late season disease assessments for 2008 in corn around the state, we have noted the following diseases throughout the year (Figures 1-6):
Common rust (Puccinia sorghi)
Eyespot (Kabatiella zeae)
Northern corn leaf spot (Bipolaris zeicola)
Northern corn leaf blight (Exserohilum turcicum)
Anthracnose (Colletotrichum graminicola)
Gray leaf spot (Cercospora zeae-maydis)
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Estimating Common Rust on Corn |
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Wisconsin Crop Manager
Plant Disease
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By WCM Staff on
8/13/2008 1:46 PM
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Based on various reports from around the state in 2008, probably the number one disease of corn that has been noted and mentioned has been common rust, caused by Puccinia sorghi. Given the differences in the reports, the goal of this article is provide a method to help in estimating the severity of common rust on the leaf surface.
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Print issue files for 2007
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Crop Manager Vegetable Update
Clicking on these links will access the Wisconsin Crop Manager PDF files for 2008.
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Clicking on these links will access the Wisconsin Vegetable Crop Update PDF files for 2007.
- July 31, 2008>> Veg Update 2008-11
- July 24, 2008>> Veg Update 2008-10
- July 17, 2008 >> Veg Update2008-9
- July 10, 2008 >> Veg Update2008-8
- July 3, 2008 >> Veg Update2008-7
- June 26, 2008 >> Veg Update2008-6
- June 19, 2008>> Veg Update2008-5
- June 12, 2008>> Veg Update2008-4
- June 5, 2008>> Veg Update2008-3
- May 28, 2008>> Veg Update2008-2
- May 22 2008 >> Veg Update2008-1
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- August 22 >> Veg Update2007-11
- August 9 >> Veg Update2007-10
- July 26 >> Veg Update2007-9
- July 19 >> Veg Update2007-8
- July 11 >> Veg Update2007-7
- July 5 >> Veg Update2007-6
- June 28 >> Veg Update2007-5
- June 21 >> Veg Update2007-4
- June 14 >> Veg Update2007-3
- June 6 >> Veg Update2007-2
- May 30 >> Veg Update2007-1
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