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Centenary of Soil and Air Borne Wheat Karnal Bunt Disease Research: A Review

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Title Centenary of Soil and Air Borne Wheat Karnal Bunt Disease Research: A Review
Not Available
 
Creator Mir Asif Iquebal
Pallavi Mishra
Ranjeet Maurya
Sarika Jaiswal
Anil Rai
Dinesh Kumar
 
Subject genome
pathogen
QTL
quarantine
Tilletia indica (Ti)
wheat
 
Description Not Available
Karnal bunt (KB) of wheat (Triticum aestivum L.), known as partial bunt has its origin in
Karnal, India and is caused by Tilletia indica (Ti). Its incidence had grown drastically since late 1960s
from northwestern India to northern India in early 1970s. It is a seed, air and soil borne pathogen
mainly affecting common wheat, durum wheat, triticale and other related species. The seeds become
inedible, inviable and infertile with the precedence of trimethylamine secreted by teliospores in
the infected seeds. Initially the causal pathogen was named Tilletia indica but was later renamed
Neovossia indica. The black powdered smelly spores remain viable for years in soil, wheat straw and
farmyard manure as primary sources of inoculum. The losses reported were as high as 40% in India
and also the cumulative reduction of national farm income in USA was USD 5.3 billion due to KB.
The present review utilizes information from literature of the past 100 years, since 1909, to provide
a comprehensive and updated understanding of KB, its causal pathogen, biology, epidemiology,
pathogenesis, etc. Next generation sequencing (NGS) is gaining popularity in revolutionizing KB
genomics for understanding and improving agronomic traits like yield, disease tolerance and disease
resistance. Genetic resistance is the best way to manage KB, which may be achieved through detection
of genes/quantitative trait loci (QTLs). The genome-wide association studies can be applied to reveal
the association mapping panel for understanding and obtaining the KB resistance locus on the wheat
genome, which can be crossed with elite wheat cultivars globally for a diverse wheat breeding
program. The review discusses the current NGS-based genomic studies, assembly, annotations,
resistant QTLs, GWAS, technology landscape of diagnostics and management of KB. The compiled
exhaustive information can be beneficial to the wheat breeders for better understanding of incidence
of disease in endeavor of quality production of the crop.
Not Available
 
Date 2022-03-14T10:37:25Z
2022-03-14T10:37:25Z
2021-11-09
 
Type Research Paper
 
Identifier Iquebal, M.A.; Mishra, P.; Maurya, R.; Jaiswal, S.; Rai, A.; Kumar, D. Centenary of Soil and Air Borne Wheat Karnal Bunt Disease Research: A Review. Biology 2021, 10, 1152. https://doi.org/10.3390/ biology10111152
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http://krishi.icar.gov.in/jspui/handle/123456789/70224
 
Language English
 
Relation Not Available;
 
Publisher Not Available