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Open AccessArticle

Evaluation of Tillage, At-Planting Treatment, and Nematicide on Tobacco Thrips (Thysanoptera: Thripidae) and Reniform Nematode (Tylenchida: Hoplolamidae) Management in Cotton

1
Delta Research and Education Center, Mississippi State University, 82 Stoneville Road, P.O. Box 197, Stoneville, MS 38776, USA
2
Department of Biochemistry, Molecular Biology, Entomology and Plant Pathology, Mississippi State University, 100 Old Highway 12, Mississippi State, MS 39762, USA
3
Department of Plant and Soil Sciences, Mississippi State University, 100 Old Highway 12, Mississippi State, MS 39762, USA
*
Author to whom correspondence should be addressed.
Agronomy 2020, 10(2), 300; https://doi.org/10.3390/agronomy10020300
Received: 17 January 2020 / Revised: 13 February 2020 / Accepted: 14 February 2020 / Published: 20 February 2020
(This article belongs to the Special Issue Integrating Pest Management into Agricultural Production Systems)
There are numerous early-season pests of cotton, Gossypium hirsutum L., that are economically important, including tobacco thrips, Frankliniella fusca (Hinds), and reniform nematode, Rotylenchulus reniformis (Linford & Oliveira). Both of these species have the potential to reduce plant growth and delay crop maturity, ultimately resulting in reduced yields. A field study was conducted during 2015 and 2016 to evaluate the influence of tillage, at-planting insecticide treatment, and nematicide treatment on pest management, cotton development, and yield. Treatment factors consisted of two levels of tillage (no-tillage and conventional tillage); seven levels of at-planting insecticide treatments (imidacloprid, imidacloprid plus thiodicarb, thiamethoxam, thiamethoxam plus abamectin, acephate plus terbufos, aldicarb, and an untreated control); and two levels of nematicide (no nematicide and 1,3-dichloropropene). There were no significant interactions between tillage, at-planting insecticide treatment, or nematicide for any parameters nor was there a difference in the main effect of nematicide on thrips control or damage. The main effects of tillage and at-planting insecticide treatment impacted thrips densities and damage. The no-tillage treatments and aldicarb in-furrow or acephate seed treatment plus terbufos in-furrow significantly reduced thrips populations. Early-season plant response was impacted by tillage and at-planting insecticide treatment; however, that did not result in significant yield differences. In regard to nematicide treatment, the use of 1,3-dichloropropene resulted in lower yields than the untreated. View Full-Text
Keywords: cotton; tobacco thrips; reniform nematodes cotton; tobacco thrips; reniform nematodes
MDPI and ACS Style

Crow, W.D.; Catchot, A.L.; Gore, J.; Dodds, D.M.; Cook, D.R.; Allen, T.W. Evaluation of Tillage, At-Planting Treatment, and Nematicide on Tobacco Thrips (Thysanoptera: Thripidae) and Reniform Nematode (Tylenchida: Hoplolamidae) Management in Cotton. Agronomy 2020, 10, 300. https://doi.org/10.3390/agronomy10020300

AMA Style

Crow WD, Catchot AL, Gore J, Dodds DM, Cook DR, Allen TW. Evaluation of Tillage, At-Planting Treatment, and Nematicide on Tobacco Thrips (Thysanoptera: Thripidae) and Reniform Nematode (Tylenchida: Hoplolamidae) Management in Cotton. Agronomy. 2020; 10(2):300. https://doi.org/10.3390/agronomy10020300

Chicago/Turabian Style

Crow, Whitney D.; Catchot, Angus L.; Gore, Jeff; Dodds, Darrin M.; Cook, Donald R.; Allen, Thomas W. 2020. "Evaluation of Tillage, At-Planting Treatment, and Nematicide on Tobacco Thrips (Thysanoptera: Thripidae) and Reniform Nematode (Tylenchida: Hoplolamidae) Management in Cotton" Agronomy 10, no. 2: 300. https://doi.org/10.3390/agronomy10020300

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