Comparative pathogenicity of reniform nematode on root-knot resistant ABT 10 and susceptible bidi tobacco A119 revealed that ABT 10 was found significantly superior to A119 with respect to plant growth characters and as good as A119 with respect to multiplication of reniform nematode. Initial inoculum of 1,000 J4 of the nematode found damaging to both ABT 10 and A119 varieties of bidi tobacco.
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http://dx.doi.org/10.1007/s12639-014-0565-9 | DOI Listing |
Plant Dis
November 2024
University of Hawaii, Plant and Environmental Protection Sciences, 3050 Maile Way #310, Honolulu, Hawaii, United States, 96822;
Pathogens
October 2024
Department of Agriculture and Fisheries, Ecosciences Precinct, 41 Boggo Road, Dutton Park, QLD 4102, Australia.
Plant Dis
November 2024
University of Arkansas System, Division of Agriculture, Department of Entomology and Plant Pathology, Lonoke Extension Center, Lonoke, AR 72086.
Cyclobutrifluram, a succinate dehydrogenase inhibitor fungicide, is being evaluated as a seed-applied nematicide in cotton and soybean to manage plant-parasitic nematodes. Currently, there is no information on the toxicity, ovicidal activity, nematode recovery, or effects on nematode infection for or after exposure to low concentrations of cyclobutrifluram. Nematode toxicity assays were performed in aqueous solutions of cyclobutrifluram, and root infection assays were conducted on tomato.
View Article and Find Full Text PDFG3 (Bethesda)
September 2024
USDA Agricultural Research Service, Insect Control and Cotton Disease Research Unit, College Station, TX 77845, USA.
Reniform and root-knot nematode are two of the most destructive pests of conventional upland cotton, Gossypium hirsutum L., and continue to be a major threat to cotton fiber production in semiarid regions of the Southern United States and Central America. Fortunately, naturally occurring tolerance to these nematodes has been identified in the Pima cotton species (Gossypium barbadense) and several upland cotton varieties (G.
View Article and Find Full Text PDFJ Nematol
March 2024
LSU AgCenter, Department of Plant Pathology and Crop Physiology, 302 Life Science Building, Baton Rouge, Louisiana, 70803, United States.
The reniform nematode, , is a major yield-limiting pest of upland cotton () in the United States that has been steadily increasing in incidence in many states. Reniform nematode-resistant cotton cultivars have recently become commercially available for cotton producers; however, few field trials have evaluated their efficacy as a nematode management tool. The aim of this study was to evaluate reniform nematode population development, plant growth, and seed cotton yield of reniform nematode-resistant cotton cultivars in two nematode-infested fields in Louisiana.
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