Damage and management of Meloidogyne hapla using oxamyl on carrot in New York

Beth Krueger Gugino, G. S. Abawi, J. W. Ludwig

Research output: Contribution to journalArticle

26 Scopus citations

Abstract

The northern root-knot nematode (Meloidogyne hapla) is a major pathogen of processing carrot in New York, significantly reducing marketable yield and profitability. Severely infected carrots are stubby, galled and forked and therefore unmarketable. In field microplot trials in 1996 and 1998, the incidence and severity of root-galling increased and the marketable yield of carrot decreased as the initial inoculum density of M. hapla was increased from 0 to 8 eggs/cm3 soil, in mineral or organic soils. The application of oxamyl at planting was effective against M. hapla and its damage to carrots grown in mineral and organic soils. Oxamyl application reduced root-galling severity and increased marketable yield. In commercial fields, the cost-effectiveness of oxamyl application was related to the level of soil infestation with M. hapla.

Original languageEnglish (US)
Pages (from-to)483-490
Number of pages8
JournalJournal of Nematology
Volume38
Issue number4
StatePublished - Dec 1 2006

All Science Journal Classification (ASJC) codes

  • Agronomy and Crop Science

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