Detecção de Meloidogyne enterolobii em mudas de amoreira (Morus nigra L.)

Paes-Takahashi, Vanessa dos Santos; Soares, Pedro Luiz Martins; Carneiro, Franciele Alves; Ferreira, Rosana Rossi; Almeida, Érika Oliveira de; Santos, Jaime Maia dos

doi:10.1590/0103-8478cr20130350

Cited by 10 publications

(5 citation statements)

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“…Guangdong, Guangxi, and Hunan was M. enterolobii, which is consistent with the results reported by Paestakahashi et al (2015) in Brazil and by Long et al (2019) in Hainan province of China based on morphological and molecular characteristics. However, Chen (1989a, 1989b) identified pathogens of mulberry root-knot nematode disease in Shanxi as Meloidogyne arenaria, Meloidogyne incognita, Meloidogyne javanica, and Meloidogyne thamesi, while Tang et al (2002) identified pathogen of mulberry root-knot nematode disease as M. incognita and Meloidogyne arenaria in Yunnan based on the female perineal pattern, anal characteristics, male posture, tail length, and stylet of J2.…”

Section: Discussionsupporting

confidence: 92%

“…Root-knot nematode disease has dramatically impacted Morus alba L. production in Japan, India, and Brazil (Hida and Zhu, 1985;Sujathamma et al, 2014;Paestakahashi et al, 2015). According to Chen (1989a, 1989b), root-knot nematodes cause mulberry leaf loss of 20 to 45%, with severe cases reaching over 75% in some fields Chen, 1989a, 1989b).…”

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confidence: 99%

“…While in India (Schreiber et al, 2006;Kepenekcı et al, 2006;Sujathamma et al, 2014;Gnanaprakash et al, 2016) were identified as Meloidogyne incongnita. Paestakahashi et al (2015) identified the root-knot nematodes of mulberry in Brazil as Meloidogyne enterolobii based on isozymes and the morphological characteristics of female perianal pattern, second instar larvae, and male spicule.…”

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confidence: 99%

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Characterization of root-knot nematodes infecting mulberry in Southern China

Zhang

Shao

You

et al. 2020

Journal of Nematology

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China is one of the largest producers of mulberry in the world. With the development of the sericulture industry, several pests and diseases have occurred in rapid succession, chief among which is the root-knot nematode disease affecting mulberry. According to the China cocoon and silk exchange, cocoon prices have doubled since the beginning of 2009 and rose to 92,700 yuan ($135,770) per tonne in mid-April 2010. According to customs statistics, in the first eight months of 2011, China's silk merchandise exports amounted to 2.39 billion yuan. In this study, sequencing of the rDNA-ITS and D2-D3 region of the 28S rRNA gene was combined with root-knot nematode morphological characteristics to identify the root-knot nematode infecting mulberry in the Guangdong, Guangxi, and Hunan provinces of China. This resulted in the identification of Meloidogyne enterolobii as the causal species of root-knot nematode infections in these regions. Importantly, the morphological data agreed completely with our molecular phenotyping efforts, indicating that rDNA sequencing could provide a more clear-cut and less labor-intensive means of characterizing root-knot nematode infections in the future. The differences between this study and the previous studies were discussed, as well as the damage degree, host species and influence scope of M. enterolobii.

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Section: Discussionsupporting

confidence: 92%

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confidence: 99%

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confidence: 99%

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Characterization of root-knot nematodes infecting mulberry in Southern China

Zhang

Shao

You

et al. 2020

Journal of Nematology

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“…Several Meloidogyne species have been reported parasitizing mulberry worldwide. In China, M. enterolobii [7], in Japan, M. mali [8], in India, M. incognita [9], in Brazil, M. incognita and M. javanica [10], and, also in Brazil, M. enterolobii was described parasitizing Morus nigra (blueberry) [11]. These reports highlight the importance and distribution of root-knot nematodes in mulberry growing regions worldwide.…”

Section: Open Accessmentioning

confidence: 99%

Morus alba: Host reaction for Meloidogyne javanica, biological nematicides assessment and study of these relationships with yield and quality of leaves, cocoon and health of the silkworm

et al. 2021

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Root-knot nematodes cause damage to several crops and the importance of each species can vary according with the crop and the agricultural region. In Brazil, Meloidogyne javanica is one of the most important nematode species parasitizing mulberry. To define management strategies, it is important to know if the crop species is damaged by the parasitism of the nematode and the best choices for control, as the use of nematicides. Biological nematicides have been extensively used in Brazil, but no information regarding its efficiency to control M. javanica in mulberry is available. Besides, it is not known if biological nematicides could improve the quality of leaves or if they alter the nutrient composition of leaves, which could interfere in the development of the silkworms that are feed with these leaves or in the quality of the silk produced. With the aim to address these questions, we propose a study that will start in the phenotyping of the main Brazilian mulberry cultivars to Meloidogyne species, passing through the test of efficiency of biological nematicides in the control of M. javanica in mulberry cultivar Miura, evaluation of the amount and quality of leaves produced and, using these leaves to feed silkworms, in the analyzes of the impact of these diet in the health of silkworms, and in the production and quality of the silk.

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“…saccharinus, Ipomoea aquatica Forssk, and Morinda citrifolia (Liao, 2001;Brito, 2007;Rammah, 1988). Paestakahashi et al (2015) were the rst to report parasitic damage caused by M enterolobii on mulberry in Brazil. Subsequent morphological and molecular analyses conducted by Zhang et al (2020) identi ed M enterolobii as the pathogen responsible for mulberry infections in the Guangdong Province.…”

Section: Introductionmentioning

confidence: 99%

Polymorphisms of Mitochondrial COII and16S rRNA Gene in Meloidogyne enterolobii on Mulberry

Shao

Zhang

You

et al. 2021

Preprint

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This study explores the genetic diversity and polymorphisms of Meloidogdyne enterolobii (M enterolobii) on mulberry in China. The sequence of cytochrome oxidase subunit II (COII) and 16S rRNA gene in M enterolobii populations in Guangdong, Guangxi, and Hunan Provinces were PCR-amplified, sequenced, and analyzed for genetic diversity. The haplotypes (Hap) numbers, the total number of mutations, the average number of nucleotide differences (K), haplotype diversity (Hd), and nucleotide diversity (π) of mtCOII gene were 14, 25, 3.563, 0.942 and 0.00429, respectively. The significant differences in Fst value (0.125) and a high level of gene flow (2.83) were detected among the 19 M enterolobii populations. High genetic variation within each population and a small genetic distance among populations was observed. Both phylogenetic analyses and network mapping of the 14 haplotypes revealed a dispersed distribution pattern of the 19 M enterolobii populations. There was an absence of branches strictly corresponding to the 19 range sampling sites. The analysis of molecular variance (AMOVA) revealed that the genetic differentiation of M enterolobii populations was mainly contributed by the variation within each of the defined geographical groups. No significant correlation was found between the genetic distance and geographical distance of 19 M enterolobii populations. This study provides theoretical basis for the future control of M enterolobii and also provides a guarantee for the production of other hosts of M enterolobii.

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Detecção de Meloidogyne enterolobii em mudas de amoreira (Morus nigra L.)

Abstract: Detecção de Meloidogyne enterolobii em mudas de amoreira (Morus nigra L.).Ciência Rural, v.45, n.5, mai, 2015.

Cited by 10 publications

References 1 publication

Characterization of root-knot nematodes infecting mulberry in Southern China

Characterization of root-knot nematodes infecting mulberry in Southern China

Morus alba: Host reaction for Meloidogyne javanica, biological nematicides assessment and study of these relationships with yield and quality of leaves, cocoon and health of the silkworm

Polymorphisms of Mitochondrial COII and16S rRNA Gene in Meloidogyne enterolobii on Mulberry

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