Bioassay Results in Field Persistence of Two Pink Bollworm Parasitic Nematodes
AffiliationUSDA-ARS, HCRL, Fresno, CA
USDA-ARS, WCRL, Phoenix, AZ
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AbstractSteinernema carpocapsae (Weiser) and S. riobravis Cabanillas, Poinar and Raulston applied in the field at the rate of 1 billion nematodes /acre equivalent persisted in the soil for 63 and 6 days, respectively. Persistence of S. riobravis in the field may offer the potential for introduction and permanent establishment of this nematode for pink bollworm (PBW), Pectinophora gossvpiella (Saunders), control in southwestern cotton growing areas.