Efficacy of five nematicides against root‐knot nematode when applied via single and double drip tapes in a Florida sandy soil

Author:

Bui Hung X.1ORCID,Desaeger Johan A.1

Affiliation:

1. Department of Entomology and Nematology University of Florida Gulf Coast Research and Education Center (GCREC) Wimauma Florida USA

Abstract

AbstractBackgroundThe efficacy of drip‐applied nematicides depends on adequate product distribution, which can be difficult in sandy soils. Three new non‐fumigant nematicides (fluazaindolizine, fluensulfone, fluopyram), together with two old nematicides, oxamyl and metam potassium, were evaluated when applied via single and double drip tapes to control root‐knot nematode in cucumber and squash in Florida between February 2020 and December 2022.ResultsNematicide applications via double drip tapes resulted in lower root gall infection (and tend to have higher yield) as compared to a single tape for fluopyram, but no difference was noted between single and double tapes for oxamyl and fluazaindolizine. Fluensulfone response was somewhere in between and metam potassium had higher squash yield when applied with double tapes. Root‐knot infection was higher in cucumber than in squash, and metam potassium had the highest yields and lowest nematode infection compared to other nematicide treatments.ConclusionThe benefit of double versus single drip tapes depended on the type of nematicide that was applied and was evident for nematicides that have poor water solubility like fluopyram. Some benefit was noted for metam potassium, but no or limited benefit was noted for oxamyl, fluazaindolizine and fluensulfone. © 2023 Society of Chemical Industry.

Publisher

Wiley

Subject

Insect Science,Agronomy and Crop Science,General Medicine

Reference42 articles.

1. United State Department of Agriculture National Agricultural Statistics Service Agricultural Statistics Annual2015.https://downloads.usda.library.cornell.edu/usda-esmis/files/j3860694x/7p88ck59n/5m60qv80r/Agstat-05-04-2015.pdf[accessed 12 April 2023].

2. Application of nematicides via drip irrigation;Apt WJ;J Nematol,1988

3. Movement and biological activity of drip-applied 1,3-dichloropropene and chloropicrin in raised mulched beds in the southeastern USA

4. Effects of Nonfumigant Nematicides Applied Through Low-Pressure Drip Irrigation on Control ofMeloidogyne incognitaon Tomatoes

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