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  6. Transect Sampling to Enhance Efficiency of Corn Rootworm (Coleoptera: Chrysomelidae) Monitoring

Transect Sampling to Enhance Efficiency of Corn Rootworm (Coleoptera: Chrysomelidae) Monitoring

File(s)
2002losey-NYSIPM.pdf (145.11 KB)
Permanent Link(s)
https://hdl.handle.net/1813/45923
Collections
NYS IPM Project Reports
Author
Losey, John E.
Allee, Leslie L.
Zbarsky, Vladimir
Waldron, J. Keith
Shields, Elson J.
Abstract

Crop monitoring for adult corn rootworms, Diabrotica virgifera virgifera LeConte and D. barberi Smith and Lawrence, remains the best means to assess fields at risk from this pest if replanted to corn, Zea mays (L.). Improvements in sampling methodology including the development of a sequential sampling plan have reduced the minimum sampling time required to make a management decision to 20 minutes or less per field per visit to make a management decision. Many growers and scouts still find this time commitment a constraint to repeated scouting. A common currently used sampling method involves systematically covering most of the field following a “W” pattern. The feasibility of replacing the current sampling pattern with a simpler and less time-consuming transect (straight line) pattern was assessed.

Date Issued
2002
Publisher
New York State IPM Program
Keywords
Agricultural IPM
•
Field Crops
•
Field Corn
Type
report

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