Abstract
BACKGROUND: The 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. RESULTS: Nematicide 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. CONCLUSION: The 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.
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Claims 9
Claim · model-written summary
Double drip tapes with fluopyram lowered root gall infection versus a single tape.
Not reportedTaxon
Verbatim
e0“Nematicide 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”
Claim · model-written summary
Double tapes with fluopyram tended toward higher yield.
Not reportedTaxon
Verbatim
e0“Nematicide 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”
Claim · model-written summary
Tape number made no reported difference for oxamyl.
Not reportedTaxon
Verbatim
e0“no difference was noted between single and double tapes for oxamyl and fluazaindolizine”
Claim · model-written summary
Tape number made no reported difference for fluazaindolizine.
- Treatment
- double tapes for oxamyl and fluazaindolizinee0
- Outcome
- differencee0
- Direction
- no differencee0
- Comparator
- singlee0
Not reportedTaxon
Verbatim
e0“no difference was noted between single and double tapes for oxamyl and fluazaindolizine”
Claim · model-written summary
Fluensulfone response was intermediate between the other nematicide responses.
- Outcome
- Fluensulfone response was somewhere in betweene0
Not reportedTaxon
Verbatim
e0“Fluensulfone response was somewhere in between”
Claim · model-written summary
Metam potassium with double tapes gave higher squash yield.
Not reportedComparator
Verbatim
e0“metam potassium had higher squash yield when applied with double tapes”
Claim · model-written summary
Root-knot infection was higher in cucumber than squash.
- Taxon
- cucumber
Cucumis sativuse0 - Outcome
- Root-knot infectione0
- Direction
- highere0
- Comparator
- squashe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Root-knot infection was higher in cucumber than in squash”
Claim · model-written summary
Metam potassium had the highest yields among nematicide treatments.
Not reportedTaxon
Verbatim
e0“metam potassium had the highest yields and lowest nematode infection compared to other nematicide treatments”
Claim · model-written summary
Metam potassium had the lowest nematode infection among treatments.
- Treatment
- metam potassiume0
- Outcome
- nematode infectione0
- Direction
- loweste0
- Comparator
- other nematicide treatmentse0
Not reportedTaxon
Verbatim
e0“metam potassium had the highest yields and lowest nematode infection compared to other nematicide treatments”
The same questions in other papers
potassium · yield · Cucurbita (pumpkins)Positive and negative results
6 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
4 papers more in this group
See all 8 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.