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Helicoverpa management

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Author/s: DAFF Published: August 2007 Bibliographic details: Includes colour illustration plates.. Research by the Department of Agriculture, Fisheries and Forestry (DAFF) has resulted in a change in recommendations for making control decisions for Helicoverpa in chickpea... The decision to spray can now be based on the relationship between the Heliocoverpa damage potential, the chickpea grain price and the cost of control, rather than a fixed number of larvae per square metre...