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, G.S. Barker, K.R. 1984 Effects of cultivars, soil temperature and population levels of Meloidogyne incognita on root necrosis and fusarium wilt of tomatoes Phytopathology 74 333 338 Bridge, J. Page, S.L.J. 1980 Estimation of root-knot nematode

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Watermelon ( C. lanatus var. lanatus ) is an important vegetable crop grown in the United States with an annual production of 2.1 million tons and a farm value of $435 million ( U.S. Department of Agriculture [USDA], 2007 ). Root-knot nematodes

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Root-knot nematodes (RKN; Meloidogyne spp.) are an economically important pathogen on many agricultural plants and are the most commonly reported nematodes on vegetable crops in the United States ( Koenning et al., 1999 ). Because of environmental

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). Root-knot nematodes Meloidogyne spp. are considered major pathogens causing yield losses in Phaseolus vulgaris L., especially in regions with prevalent high temperatures, an environmental factor that increases stress and interferes with the

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Root-knot nematodes are widespread worldwide and cause significant reductions in the yield and quality of storage roots in sweetpotato ( Clark and Moyer, 1988 ). The worldwide distribution of root-knot nematodes (RKN), Meloidogyne Goeldi species

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The southern root-knot nematode, Meloidogyne incognita (Chitwood) Kofoid and White, causes severe yield losses to pepper production in sub-tropical climates throughout the world ( DiVito et al., 1985 , 1992 ; Sasser and Freckman, 1987 ). In

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nematode (RKN; Meloidogyne incognita ) population densities in soil surrounding grafted and nongrafted tomato plant roots grown in a naturally infested commercial high tunnel in Knox County, Kentucky, in 2020. Fig. 2. Root-knot nematode densities

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elucidate a cause. Intermediate levels of disease resistance and yield in self-grafted tomatoes have been reported in previous research ( Rivard, 2006 ). Table 1. Effect of grafting treatments on root-knot nematode galling ratings z of heirloom tomato

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, 2005 ; Hansson et al., 2008 ; Rothlisberger et al., 2012 ; Vaughn et al., 2006 ). Root-knot nematodes ( Meloidogyne sp.) are among the pathogens that can be suppressed by incorporation of mustard seed meals into soil. Application of ethiopian

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often limited options for prevention and management—can favor the development of many soil-related issues, including soilborne diseases and root-knot nematodes (RKN; Meloidogyne spp.). There are limited options to manage many of these issues once they

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