Control of Virus Diseases in Maize

Redinbaugh, Margaret G.; Mendoza, José Luis Zambrano

doi:10.1016/b978-0-12-801246-8.00008-1

Cited by 49 publications

(23 citation statements)

References 163 publications

(222 reference statements)

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“…This is especially true for diseases of perennial crops, which are often caused by pathogen complexes. The individual components of these complexes may be asymptomatic, but when they come together they may cause dramatic symptoms and losses (27,78,79,97). This is where the incorporation of new technologies that provide a greater capacity for unbiased detection of any disease agent, known or unknown, will play a significant role in minimizing the possibility of such epidemics.…”

Section: Introductionmentioning

confidence: 99%

Quarantine Regulations and the Impact of Modern Detection Methods

Martín

Constable

Tzanetakis

2016

Annu. Rev. Phytopathol.

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Producers worldwide need access to the best plant varieties and cultivars available to be competitive in global markets. This often means moving plants across international borders as soon as they are available. At the same time, quarantine agencies are tasked with minimizing the risk of introducing exotic pests and pathogens along with imported plant material, with the goal to protect domestic agriculture and native fauna and flora. These two drivers, the movement of more plant material and reduced risk of pathogen introduction, are at odds. Improvements in large-scale or next-generation sequencing (NGS) and bioinformatics for data analysis have resulted in improved speed and accuracy of pathogen detection that could facilitate plant trade with reduced risk of pathogen movement. There are concerns to be addressed before NGS can replace existing tools used for pathogen detection in plant quarantine and certification programs. Here, we discuss the advantages and possible pitfalls of this technology for meeting the needs of plant quarantine and certification.

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Section: Introductionmentioning

confidence: 99%

Quarantine Regulations and the Impact of Modern Detection Methods

Martín

Constable

Tzanetakis

2016

Annu. Rev. Phytopathol.

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“…The maize lethal necrosis (MLN) disease is one of the most devastating diseases affecting maize and it has caused immense yield losses in East Africa (Mahuku et al, 2015). The disease is known to be caused by the synergistic interactions of MCMV with other potyviruses infecting maize (Redinbaugh and Zambrano-Mendoza, 2014). The absence of MCMV shows that the threat of MLN to maize production in Ekiti State is absent.…”

Section: Discussionmentioning

confidence: 99%

Molecular identification of viruses infecting maize (<i>Zea mays</i> L.) in Ekiti State, south-western Nigeria

Fajinmi¹,

Bamiteko²,

Fajinmi³

et al. 2019

Nig. J. Biotechnol

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Maize is one of the most commonly cultivated crops in southwestern Nigeria, but its production is constrained by virus diseases. Information on viruses infecting maize within the region is still limited. Therefore, a survey was conducted to identify the viruses infecting maize on randomly selected farmers' cultivated maize fields in 16 local government areas in Ekiti State, southwestern Nigeria using molecular detection tools. Four cultivated maize fields were randomly surveyed in each local government area with an average size of 50 m x 50 m. The sampling was done on fifty randomly selected plants per field. Viral diseases were confirmed on maize plants through visual symptoms observations and serological diagnosis, although severity and incidence varied per location. Visible symptoms observed include chlorotic patches, severe streaking, red pigments and venation along mid rib and vein with stunted growth. Although only Maize streak virus (MSV) and Maize chlorotic mottle virus (MCMV) were targeted, serological assay indicated the occurrence of only MSV. Polymerase chain reaction (PCR) confirmed the presence of MSV while MCMV was negative. This provides additional information to the prevalence of MSV as an ongoing threat to maize production in southwest Nigeria,

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“…In consequence, observable diagnosis is validated using serological and molecular tests ( Table 2 ). Available diagnostics for MDMV include commercialised enzyme-linked immunosorbent assays (ELISA) using antisera and reverse transcription-polymerase chain reaction (RT-PCR) involving virus genome sequence [ 3 ].…”

Section: Diagnostic Methodsmentioning

confidence: 99%

“…In south and eastern Africa, maize serves as a primary food for more than 24 million families and also as a subsistence food source for poor populations outside Asia [ 2 ]. Approximately 177 million hectares of tropical, semitropical and temperate zones are used to cultivate maize [ 3 ] and 875 million metric tons of maize are produced every year [ 4 ].…”

Section: Introductionmentioning

confidence: 99%

Maize Dwarf Mosaic Virus: From Genome to Disease Management

Kannan

Ismail

Bunawan

2018

Viruses

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Maize dwarf mosaic virus (MDMV) is a serious maize pathogen, epidemic worldwide, and one of the most common virus diseases for monocotyledonous plants, causing up to 70% loss in corn yield globally since 1960. MDMV belongs to the genus Potyvirus (Potyviridae) and was first identified in 1964 in Illinois in corn and Johnsongrass. MDMV is a single stranded positive sense RNA virus and is transmitted in a non-persistent manner by several aphid species. MDMV is amongst the most important virus diseases in maize worldwide. This review will discuss its genome, transmission, symptomatology, diagnosis and management. Particular emphasis will be given to the current state of knowledge on the diagnosis and control of MDMV, due to its importance in reducing the impact of maize dwarf mosaic disease, to produce an enhanced quality and quantity of maize.

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Control of Virus Diseases in Maize

Cited by 49 publications

References 163 publications

Quarantine Regulations and the Impact of Modern Detection Methods

Quarantine Regulations and the Impact of Modern Detection Methods

Molecular identification of viruses infecting maize (<i>Zea mays</i> L.) in Ekiti State, south-western Nigeria

Maize Dwarf Mosaic Virus: From Genome to Disease Management

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