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Molecular breeding technologies and strategies for rust resistance in wheat (Triticum aestivum) for sustained food security

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Title Molecular breeding technologies and strategies for rust resistance in wheat (Triticum aestivum) for sustained food security
Not Available
 
Creator S Savadi, P Prasad, PL Kashyap, SC Bhardwaj
 
Subject breeding, genome editing, resistance, wheat
 
Description Not Available
Wheat is an important cereal food crop providing key nutrients to humankind. Rusts are the most destructive pathogens of cereal crops, with the exception of rice, across the world and resistant cultivars have been widely employed to
reduce the yield losses caused by them. The modern intensive monoculture of cultivars and changing climatic conditions has created congenial conditions for the emergence of new virulent races such as Ug99, which is a great concern
for world food security. Conventional breeding efforts have not been effective in quickly developing new varieties with
durable and broad-spectrum resistance against the rapidly evolving rust pathogen races. However, in the last two decades, biotechnological methods such as marker-assisted selection (MAS) and transgenic technology have provided novel
strategies for enhancing resistance levels and durability in crop plants in a short span of time. Nevertheless, broad
application of transgenics in agriculture is hindered by biosafety apprehensions. In recent years, improved versions of
biotechnological breeding methods such as genomic selection, genome editing technologies, cisgenesis and intragenesis,
RNA-dependent DNA methylation (RdDM), agroinfiltration and reverse breeding are gaining popularity. These technologies provide a tremendous capability to manipulate crop plants more precisely than before and accelerate crop
improvement efforts for sustained food production as well as overcoming safety concerns associated with food crops.
ICAR
 
Date 2019-10-11T09:05:12Z
2019-10-11T09:05:12Z
2017-01-01
 
Type Research Paper
 
Identifier 9
1365-3059
http://krishi.icar.gov.in/jspui/handle/123456789/23264
 
Language English
 
Relation Not Available;
 
Publisher Wiley