The Past, Present, and Future of Host Plant Resistance in Cotton: An Australian Perspective

Cotton is a key global fiber crop. However, yield potential is limited by the presence of endemic and introduced pests and diseases. The introduction of host plant resistance (HPR), defined as the purposeful use of resistant crop cultivars to reduce the impact of pests and diseases, has been a key b...

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Main Authors: Lucy M. Egan, Warwick N. Stiller
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-07-01
Series:Frontiers in Plant Science
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fpls.2022.895877/full
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author Lucy M. Egan
Warwick N. Stiller
author_facet Lucy M. Egan
Warwick N. Stiller
author_sort Lucy M. Egan
collection DOAJ
description Cotton is a key global fiber crop. However, yield potential is limited by the presence of endemic and introduced pests and diseases. The introduction of host plant resistance (HPR), defined as the purposeful use of resistant crop cultivars to reduce the impact of pests and diseases, has been a key breeding target for the Commonwealth Scientific and Industrial Research Organisation (CSIRO) cotton breeding program. The program has seen success in releasing cultivars resistant to Bacterial blight, Verticillium wilt, Fusarium wilt, and Cotton bunchy top. However, emerging biotic threats such as Black root rot and secondary pests, are becoming more frequent in Australian cotton production systems. The uptake of tools and breeding methods, such as genomic selection, high throughput phenomics, gene editing, and landscape genomics, paired with the continued utilization of sources of resistance from Gossypium germplasm, will be critical for the future of cotton breeding. This review celebrates the success of HPR breeding activities in the CSIRO cotton breeding program and maps a pathway for the future in developing resistant cultivars.
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spelling doaj.art-93f86014d1ea4676a9c114364e1493902022-12-22T01:22:18ZengFrontiers Media S.A.Frontiers in Plant Science1664-462X2022-07-011310.3389/fpls.2022.895877895877The Past, Present, and Future of Host Plant Resistance in Cotton: An Australian PerspectiveLucy M. EganWarwick N. StillerCotton is a key global fiber crop. However, yield potential is limited by the presence of endemic and introduced pests and diseases. The introduction of host plant resistance (HPR), defined as the purposeful use of resistant crop cultivars to reduce the impact of pests and diseases, has been a key breeding target for the Commonwealth Scientific and Industrial Research Organisation (CSIRO) cotton breeding program. The program has seen success in releasing cultivars resistant to Bacterial blight, Verticillium wilt, Fusarium wilt, and Cotton bunchy top. However, emerging biotic threats such as Black root rot and secondary pests, are becoming more frequent in Australian cotton production systems. The uptake of tools and breeding methods, such as genomic selection, high throughput phenomics, gene editing, and landscape genomics, paired with the continued utilization of sources of resistance from Gossypium germplasm, will be critical for the future of cotton breeding. This review celebrates the success of HPR breeding activities in the CSIRO cotton breeding program and maps a pathway for the future in developing resistant cultivars.https://www.frontiersin.org/articles/10.3389/fpls.2022.895877/fullGossypiumhost plant resistancebreedingphenomicsgenomicsgermplasm utilization
spellingShingle Lucy M. Egan
Warwick N. Stiller
The Past, Present, and Future of Host Plant Resistance in Cotton: An Australian Perspective
Frontiers in Plant Science
Gossypium
host plant resistance
breeding
phenomics
genomics
germplasm utilization
title The Past, Present, and Future of Host Plant Resistance in Cotton: An Australian Perspective
title_full The Past, Present, and Future of Host Plant Resistance in Cotton: An Australian Perspective
title_fullStr The Past, Present, and Future of Host Plant Resistance in Cotton: An Australian Perspective
title_full_unstemmed The Past, Present, and Future of Host Plant Resistance in Cotton: An Australian Perspective
title_short The Past, Present, and Future of Host Plant Resistance in Cotton: An Australian Perspective
title_sort past present and future of host plant resistance in cotton an australian perspective
topic Gossypium
host plant resistance
breeding
phenomics
genomics
germplasm utilization
url https://www.frontiersin.org/articles/10.3389/fpls.2022.895877/full
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