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Q&A ViewAttendees 4

Plant-Insect Ecosystems

10-Minute Paper

P-IE: Biocontrol

Multi-year persistence of Steinernema feltiae ‘NY04’, S. carpocapsae ‘NY01’ and Heterorhabditis bacteriophora ‘Oswego’ across a wide geographical area from a single inoculation

Sunday, October 31, 2021
3:06 PM – 3:18 PM MT
Location: Colorado Convention Center, Meeting Room 108-110
In-Person

Multi-year persistence of entomopathogenic nematodes from a single field inoculation has always been challenging when commercial strains of EPNs are used.  However, when wild strains are carefully reared to preserve their ability to persist across multiple years, it opens the door to using EPNs in a more classical biological control approach where a single field inoculation provides adequate EPN soil populations across multiple growing seasons for soil insect suppression.

This paper will present data to show the multi-growing season persistence of Steinernema feltiae ‘NY04’, S. carpocapsae ‘NY01’ and Heterorhabditis bacteriophora ‘Oswego’ across a wide geographic sweep of the U.S. which includes NY, PA, MI, NC, MO, AL, NW TX, NE, and SE NM.  This data also suggests that northern EPN strains will persists for multiple growing seasons in locations significantly different than where they evolved and adapted to frozen soils.