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Tipburn resilience in Lettuce (Lactuca spp.) – the importance of germplasm resources and production system-specific assays
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Beacham, Andrew M., Teakle, Graham R., Hand, Paul , Barker, Guy C., Pink , David A. C. and Monaghan , James M. (2023) Tipburn resilience in Lettuce (Lactuca spp.) – the importance of germplasm resources and production system-specific assays. Journal of the Science of Food and Agriculture . doi:10.1002/jsfa.12523 ISSN 0022-5142. (In Press)
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Official URL: https://doi.org/10.1002/jsfa.12523
Abstract
BACKGROUND
Tipburn is a physiological disorder of lettuce (Lactuca spp.). It causes discoloration and collapse of leaf margins, leading to unsaleable crops in both protected (glasshouse, hydroponic) and outdoor production systems. The occurrence of tipburn is hard to predict and is sensitive to environmental conditions. Phenotyping for tipburn resilience requires diverse germplasm resources and, to date, limited material has been investigated for this condition.
RESULTS
Using a Lactuca diversity fixed foundation set (DFFS) under glasshouse conditions, we identified a significant (P < 0.001) genotypic effect on tipburn resilience across both the entire population and across lines belonging to the cultivated species L. sativa alone. Latuca sativa lines exhibited significantly (P < 0.05) higher average tipburn severity than those belonging to the wild species L. saligna, L. serriola, and L. virosa but we were able to identify both cultivated and wild tipburn-resilient lines. Leaf morphology factors, which included pigmentation, width, and serration, also significantly (P < 0.05) influenced tipburn resilience. Using a recombinant inbred line (RIL) mapping population derived from two DFFS lines, different small-effect quantitative trait loci (QTLs) accounting for 12.3% and 25.2% of total tipburn variation were identified in glasshouse and field conditions, respectively.
CONCLUSIONS
These results reflect the advantages of phenotyping under production-system-specific conditions for the examination of environmentally sensitive traits and highlight genetic markers and germplasm resources for the development of tipburn resilient lines for use in both protected and outdoor lettuce production. © 2023 The Authors. Journal of The Science of Food and Agriculture published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
| Item Type: | Journal Article | ||||||||
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| Subjects: | Q Science > QK Botany S Agriculture > SB Plant culture |
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| Divisions: | Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- ) | ||||||||
| Library of Congress Subject Headings (LCSH): | Lettuce , Lettuce -- Diseases and pests , Lettuce -- Germplasm resources | ||||||||
| Journal or Publication Title: | Journal of the Science of Food and Agriculture | ||||||||
| Publisher: | John Wiley & Sons Ltd. | ||||||||
| ISSN: | 0022-5142 | ||||||||
| Official Date: | 2023 | ||||||||
| Dates: |
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| DOI: | 10.1002/jsfa.12523 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | In Press | ||||||||
| Reuse Statement (publisher, data, author rights): | This is the peer reviewed version of the following article: [FULL CITE], which has been published in final form at [Link to final article using the DOI]. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited | ||||||||
| Access rights to Published version: | Open Access (Creative Commons) | ||||||||
| Copyright Holders: | © 2023 The Authors. Journal of The Science of Food and Agriculture published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry. | ||||||||
| Date of first compliant deposit: | 23 February 2023 | ||||||||
| Date of first compliant Open Access: | 13 March 2023 | ||||||||
| RIOXX Funder/Project Grant: |
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