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Entomology

University of Tennessee, Knoxville

Sorghum

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Pb1768 2010 Insect Control Recommendations For Field Crops –, The University Of Tennessee Agricultural Extension Service Dec 2009

Pb1768 2010 Insect Control Recommendations For Field Crops –, The University Of Tennessee Agricultural Extension Service

Field & Commercial Crops

An Integrated Pest Management (IPM) program integrates control tactics including cultural practices, variety selection, biological control and insecticides to manage insect pest populations so that economic damage and harmful environmental side effects are minimized. Insecticides should only be used on an as-needed basis; therefore, insect scouting must be conducted regularly throughout the season to determine if an insecticide application is warranted.


Sp290-N The Greenbug In Grain Sorghum, The University Of Tennessee Agricultural Extension Jun 2008

Sp290-N The Greenbug In Grain Sorghum, The University Of Tennessee Agricultural Extension

Field & Commercial Crops

Greenbugs are small (1.6 mm long), soft-bodied insects that are oval in shape. Greenbugs usually feed in colonies by sucking sap from leaves. Feeding may cause mottling and discoloration of the plant. Heavily infested leaves turn red or yellow, shrivel and die. Damaging levels of greenbugs can result in the destruction of entire grain sorghum fields.


Sp341-E The Chinch Bug In Grain Sorghum, The University Of Tennessee Agricultural Extension Service May 2004

Sp341-E The Chinch Bug In Grain Sorghum, The University Of Tennessee Agricultural Extension Service

Field & Commercial Crops

The chinch bug is very widely distributed throughout the United States but is rarely abundant enough to cause serious crop losses except in certain areas. However, during an outbreak, it can completely destroy stands of corn and grain sorghum.