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Field Identification of Matricaria chamomilla using a Portable qPCR System

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Generic names in Magnaporthales.

Ning Zhang¹, Jing Luo¹, Amy Y Rossman²

¹Department of Plant Biology and Pathology, Rutgers University, New Brunswick, NJ 08901, USA;

|July 20, 2016

Summary

This study revises the taxonomy of Magnaporthales fungi, proposing suppression of Magnaporthe and protection for Pyricularia and Nakataea, crucial for rice pathogens.

Keywords:

Ascomycota Magnaporthe Nakataea Pyricularia one fungus-one name pleomorphic fungi rice blast take-all

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Area of Science:

Mycology
Plant Pathology
Fungal Taxonomy

Background:

The order Magnaporthales includes economically significant plant pathogens like the rice blast fungus and the take-all pathogen.
Phylogenetic analyses have necessitated revisions in the classification of these fungi.
The current classification includes approximately 200 species across numerous genera.

Purpose of the Study:

To list the 28 currently accepted genera within Magnaporthales, including their type species and available genomic resources.
To propose taxonomic revisions, specifically addressing the generic names for key fungal pathogens.
To provide recommendations for the stabilization of fungal nomenclature within the order.

Main Methods:

Phylogenetic analysis of fungal species within Magnaporthales.
Review of existing taxonomic literature and nomenclatural history.
Consultation and consensus-building within the Pyricularia/Magnaporthe Working Group.

Main Results:

A comprehensive list of 28 accepted genera in Magnaporthales with type species and gene/genome resources is presented.
The polyphyletic genus Magnaporthe (1972) is proposed for suppression.
Pyricularia (1880) and Nakataea (1939) are recommended for protection as the correct generic names for the rice blast and rice stem rot fungi, respectively.

Conclusions:

The proposed taxonomic changes aim to stabilize the nomenclature for economically important Magnaporthales.
Formalizing the names Pyricularia and Nakataea will improve clarity in research and plant disease management.
These recommendations, made by the Pyricularia/Magnaporthe Working Group under the ICTF, are crucial for the accurate identification and study of these fungi.