Topic: Southern Corn Leaf Blight
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Answers to Common Questions
What is the corn leaf blight disease?
In Virginia gray leaf blight disease of corn (Fig. 1), caused by the fungus Cercospora zeae-maydis, has been generally associated with the corn production areas west of the Blue Ridge Mountains. It is known to occur in fields along creeks o... Read More »
Source: http://answers.yahoo.com/question/index?qid=20080211230015AAaxqA8
Where do southern corn leaf beetles overwinter?
Adults overwinter beneath soil and plant debris and in clumps of some species of weeds. In the spring, the adults emerge and begin to feed on plants such as cocklebur and early-planted corn. Read More »
Source: http://www.ipm.iastate.edu/ipm/icm/2001/5-14-2001/sclbeetle.html
Why are southern corn leaf beetles so difficult to find?
Adult southern corn leaf beetles are small, only reaching 3/16 of an inch in length. In addition, they are experts at camouflage, covering their dark brown bodies with small bits of soil. After you find one of these small beetles, a more ca... Read More »
Source: http://www.ipm.iastate.edu/ipm/icm/2001/5-14-2001/sclbeetle.html
More Common Questions
Answers to Other Common Questions
The adults feed on stem and leaf tissues of seedling corn plants. Injured corn plants are ragged because of the notched out leaves. If sufficient numbers of southern corn leaf beetle adults are present, seedling corn plants can be killed. S...
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Source: http://www.ipm.iastate.edu/ipm/icm/2001/5-14-2001/sclbeetle.html
Females lay eggs in clusters of 10 to 50 in weed debris or in the soil at the bases of corn plants. In a week to 10 days, the larvae hatch and begin to feed on corn roots. The larval period lasts for approximately 10 weeks and occurs from e...
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Source: http://www.ipm.iastate.edu/ipm/icm/2001/5-14-2001/sclbeetle.html
