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APA citation
Roy, C., He, X., Gahtyari, N. C., Mahapatra, S., & Singh, P. K. (2023). Managing spot blotch disease in wheat: Conventional to molecular aspects. Frontiers in Plant Science, 14, 1098648. https://doi.org/10.3389/fpls.2023.1098648
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Abstract
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Spot blotch (SB) caused by Bipolaris sorokiniana (teleomorph Cochliobolus sativus) is one of the devastating diseases of wheat in the warm and humid growing areas around the world. B. sorokiniana can infect leaves, stem, roots, rachis and seeds, and is able to produce toxins like helminthosporol and sorokinianin. No wheat variety is immune to SB; hence, an integrated disease management strategy is indispensable in disease prone areas. A range of fungicides, especially the triazole group, have shown good effects in reducing the disease, and crop-rotation, tillage and early sowing are among the favorable cultural management methods. Resistance is mostly quantitative, being governed by QTLs with minor effects, mapped on all the wheat chromosomes. Only four QTLs with major effects have been designated as Sb1 through Sb4. Despite, marker assisted breeding for SB resistance in wheat is scarce. Better understanding of wheat genome assemblies, functional genomics and cloning of resistance genes will further accelerate breeding for SB resistance in wheat.
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Journal
Frontiers in Plant Science
Journal volume
14
Journal issue
Article number
1098648
Place of Publication
Switzerland
Publisher
Frontiers Media S.A.
Related Datasets
CGIAR Initiatives
Initiative
Plant Health
Impact Area
Nutrition, health & food security
Action Area
Resilient Agrifood Systems
Donor or Funder
Indian Council of Agricultural Research (ICAR)