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SNP markers reveal relationships between fruit paternity, fruit quality and distance from a cross-pollen source in avocado orchards1,006.65 kB
Published VersionCC BY V4.0, Open Access
Journal article
SNP markers reveal relationships between fruit paternity, fruit quality and distance from a cross‑pollen source in avocado orchards
Scientific Reports, Vol.11, pp.1-8
2021
Abstract
Cross‑pollination can improve fruit yield, fruit size and nutritional quality of many food crops. However, we rarely understand what proportions of the crop result from self‑ or cross‑pollination, how cross‑pollination affects crop quality, and how far pollen is transported by pollinators. Management strategies to improve pollination services are consequently not optimal for many crops. We utilised a series of SNP markers, unique for each cultivar of avocado, to quantify proportions of self‑ and cross‑paternity in fruit of Hass avocado at increasing distances from cross‑pollen sources. We assessed whether distance from a cross‑pollen source determined the proportions of self‑pollinated and cross‑ pollinated fruit, and evaluated how self‑ and cross‑paternity affected fruit size and nutritional quality. Avocado fruit production resulted from both self‑ and cross‑pollination in cultivar Hass in Queensland, Australia. Cross‑pollination levels decreased with increasing distance from a cross‑pollen source, from 63% in the row adjacent to another cultivar to 25% in the middle of a single‑cultivar block, suggesting that pollen transport was limited across orchard rows. Limited pollen transport did not affect fruit size or quality in Hass avocados as xenia effects of a Shepard polliniser on size and nutritional quality were minor.
Details
- Title
- SNP markers reveal relationships between fruit paternity, fruit quality and distance from a cross‑pollen source in avocado orchards
- Authors
- Wiebke Kaemper (Author) - Griffith UniversitySteven Ogbourne (Author) - University of the Sunshine Coast, Queensland, GeneCology Research Centre - LegacyDavid Hawkes (Author) - AGRF LtdStephen Trueman (Author) - Griffith University
- Publication details
- Scientific Reports, Vol.11, pp.1-8
- Publisher
- Nature Publishing Group
- Date published
- 2021
- DOI
- 10.1038/s41598-021-99394-7
- ISSN
- 2045-2322
- Copyright note
- This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.
- Organisation Unit
- School of Science and Engineering - Legacy; University of the Sunshine Coast, Queensland; GeneCology Research Centre - Legacy; School of Science, Technology and Engineering; Centre for Bioinnovation
- Language
- English
- Record Identifier
- 99582608902621
- Output Type
- Journal article
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- Domestic collaboration
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- Web Of Science research areas
- Horticulture
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