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A method of distributing Steinernema riobravis in cotton furrow irrigation and pink bollworm larval mortality response

1996 Proceedings Beltwide Cotton Conferences, Nashville, TN, USA, January 9-12, 1996: Volume 2: 707-709

A method of distributing Steinernema riobravis in cotton furrow irrigation and pink bollworm larval mortality response

Entomophilic nematodes, Steinernema riobravis, were released at a rate of 2.6 billion/acre in a cotton field in Arizona, USA, by gradually pumping a nematode slurry into furrow irrigation water. Larvae of Pectinophora gossypiella were buried at 4 soil depths and on the middle and top of row beds. Percentage larval mortalities 0, 14 and 39 days following nematode treatment showed that S. riobravis moved 6 inches down into the furrow and upward into the top of the row bed to find host larvae.

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Accession: 002738405

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