Incidence of the Rice Root-Knot Nematode, Meloidogyne graminicola, in Guangxi, China

Root-knot nematodes (Meloidogyne spp.) are the most destructive group of plant-parasitic nematodes. Plants infected by Meloidogyne spp. develop above-ground symptoms, stunting, yellowing, nutrient deficiencies, and gall formations with typical hook-shaped root tips. Infected plants experience yield...

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Main Authors: Man Luo, Bing Xue Li, Han Yan Wu
Format: Article
Language:English
Published: Hanrimwon Publishing Company 2020-06-01
Series:The Plant Pathology Journal
Subjects:
Online Access:http://www.ppjonline.org/journal/view.html?doi=10.5423/PPJ.NT.02.2020.0034
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author Man Luo
Bing Xue Li
Han Yan Wu
author_facet Man Luo
Bing Xue Li
Han Yan Wu
author_sort Man Luo
collection DOAJ
description Root-knot nematodes (Meloidogyne spp.) are the most destructive group of plant-parasitic nematodes. Plants infected by Meloidogyne spp. develop above-ground symptoms, stunting, yellowing, nutrient deficiencies, and gall formations with typical hook-shaped root tips. Infected plants experience yield losses. During 2018- 2019 survey, leaf chlorosis rice plants were found in 206 fields of 67 counties in Guangxi, China, around 30 days after transplanting. Galls and hooked tips on the roots and pear-shaped females were observed. About 32.04% of fields were infested with the nematode. The nematodes were identified as Meloidogyne graminicola base on morphological and molecular analysis. To the best of our knowledge, this is the first report of M. graminicola on rice plants in Guangxi, China. The results of this study urge the discovery of resistant cultivars and the development of management strategies.
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spelling doaj.art-83cd31c28aab42eda6cde720500374582022-12-21T19:18:52ZengHanrimwon Publishing CompanyThe Plant Pathology Journal1598-22542020-06-0136329730210.5423/PPJ.NT.02.2020.003410.5423PPJ.NT.02.2020.0034Incidence of the Rice Root-Knot Nematode, Meloidogyne graminicola, in Guangxi, ChinaMan Luo0Bing Xue Li1Han Yan Wu2Guangxi Key Laboratory of Agric-Environment and Agric-Products Safety, Agricultural College of Guangxi University, Nanning 530004, ChinaGuangxi Key Laboratory of Agric-Environment and Agric-Products Safety, Agricultural College of Guangxi University, Nanning 530004, ChinaGuangxi Key Laboratory of Agric-Environment and Agric-Products Safety, Agricultural College of Guangxi University, Nanning 530004, ChinaRoot-knot nematodes (Meloidogyne spp.) are the most destructive group of plant-parasitic nematodes. Plants infected by Meloidogyne spp. develop above-ground symptoms, stunting, yellowing, nutrient deficiencies, and gall formations with typical hook-shaped root tips. Infected plants experience yield losses. During 2018- 2019 survey, leaf chlorosis rice plants were found in 206 fields of 67 counties in Guangxi, China, around 30 days after transplanting. Galls and hooked tips on the roots and pear-shaped females were observed. About 32.04% of fields were infested with the nematode. The nematodes were identified as Meloidogyne graminicola base on morphological and molecular analysis. To the best of our knowledge, this is the first report of M. graminicola on rice plants in Guangxi, China. The results of this study urge the discovery of resistant cultivars and the development of management strategies.http://www.ppjonline.org/journal/view.html?doi=10.5423/PPJ.NT.02.2020.0034incidencemeloidogyne graminicolarice
spellingShingle Man Luo
Bing Xue Li
Han Yan Wu
Incidence of the Rice Root-Knot Nematode, Meloidogyne graminicola, in Guangxi, China
The Plant Pathology Journal
incidence
meloidogyne graminicola
rice
title Incidence of the Rice Root-Knot Nematode, Meloidogyne graminicola, in Guangxi, China
title_full Incidence of the Rice Root-Knot Nematode, Meloidogyne graminicola, in Guangxi, China
title_fullStr Incidence of the Rice Root-Knot Nematode, Meloidogyne graminicola, in Guangxi, China
title_full_unstemmed Incidence of the Rice Root-Knot Nematode, Meloidogyne graminicola, in Guangxi, China
title_short Incidence of the Rice Root-Knot Nematode, Meloidogyne graminicola, in Guangxi, China
title_sort incidence of the rice root knot nematode meloidogyne graminicola in guangxi china
topic incidence
meloidogyne graminicola
rice
url http://www.ppjonline.org/journal/view.html?doi=10.5423/PPJ.NT.02.2020.0034
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