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research-article | 30-November-2020

Report of the Texas peanut root-knot nematode, Meloidogyne haplanaria (Tylenchida: Meloidogynidae) from American pitcher plants (Sarracenia sp.) in California

During February and May 2021, several potted American pitcher plants (Sarracenia sp.) with roots galls induced by root-knot nematodes were collected from a botanical garden in Los Angeles County, California. Based on the analysis of several molecular markers, the root-knot nematode extracted from the galled roots was identified as the Texas peanut root-knot nematode M. haplanaria (Eisenback et al., 2003) in the Nematology Laboratory, Plant Pest Diagnostics Center, California Department of Food

Sergei A. Subbotin

Journal of Nematology, Volume 53 , 1–7

research-article | 16-April-2020

Nematicide efficacy at managing Meloidogyne arenaria and non-target effects on free-living nematodes in peanut production

Peanut (Arachis hypogaea) is an important crop in the United States with 757,000 ha planted in 2018, worth $1.15 billion (NASS-USDA, 2019a, b). Much of the production is concentrated in the Southeast where Meloidogyne arenaria (peanut root-knot nematode (PRKN)) can significantly reduce yields with suppression approaching 50% observed in field research (Rodriguez-Kabana and Robertson, 1987; Rodriguez-Kabana et al., 1994a, 1994b). Damage thresholds for this nematode are 1 egg/100 cm3, so any

Zane J. Grabau, Mark D. Mauldin, Alemayehu Habteweld, Ethan T. Carter

Journal of Nematology, Volume 52 , 1–10

research-article | 30-November-2020

Report of the Parana coffee root-knot nematode, Meloidogyne paranaensis (Tylenchida: Meloidogynidae) from Caladium sp. in the continental United States

a mixture of two root-knot nematode species: the Parana coffee root-knot nematode, Meloidogyne paranaensis (Carneiro et al., 1996) and the peanut root-knot nematode, Meloidogyne arenaria (Neal, 1889) Chitwood, 1949. To the best of our knowledge, it is the first report of M. paranaensis in the continental United States. Meloidogyne paranaensis was first described in 1996 in the state of Paraná, Brazil (Carneiro et al., 1996; Campos and Vallain, 2005). This species is considered as one of the

Sergei A. Subbotin, Julie Burbridge

Journal of Nematology, Volume 53 , 1–6

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