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Title: Skinny kelp (Saccharina angustissima) provides valuable genetics for the biomass improvement of farmed sugar kelp (Saccharina latissima)

Abstract

Abstract Saccharina latissima (sugar kelp) is one of the most widely cultivated brown marine macroalgae species in the North Atlantic and the eastern North Pacific Oceans. To meet the expanding demands of the sugar kelp mariculture industry, selecting and breeding sugar kelp that is best suited to offshore farm environments is becoming necessary. To that end, a multi-year, multi-institutional breeding program was established by the U.S. Department of Energy's (DOE) Advanced Research Projects Agency-Energy (ARPA-E) Macroalgae Research Inspiring Novel Energy Resources (MARINER) program. Hybrid sporophytes were generated using 203 unique gametophyte cultures derived from wild-collected Saccharina spp . for two seasons of farm trials (2019–2020 and 2020–2021). The wild sporophytes were collected from 10 different locations within the Gulf of Maine (USA) region, including both sugar kelp ( Saccharina latissima ) and the skinny kelp species ( Saccharina angustissima ). We harvested 232 common farm plots during these two seasons with available data. We found that farmed kelp plots with skinny kelp as parents had an average increased yield over the mean (wet weight 2.48 ± 0.90 kg m −1 and dry weight 0.32 ± 0.10 kg m −1 ) in both growing seasons. We also found that blade length positively correlated with biomass in skinny kelp xmore » sugar kelp crosses or pure sugar kelp crosses. The skinny x sugar progenies had significantly longer and narrower blades than the pure sugar kelp progenies in both seasons. Overall, these findings suggest that sugar x skinny kelp crosses provide improved yield compared to pure sugar kelp crosses.« less

Authors:
ORCiD logo; ; ; ; ; ; ; ; ;
Publication Date:
Sponsoring Org.:
USDOE Advanced Research Projects Agency - Energy (ARPA-E)
OSTI Identifier:
1882750
Grant/Contract Number:  
AR0000915; AR0000911
Resource Type:
Published Article
Journal Name:
Journal of Applied Phycology
Additional Journal Information:
Journal Name: Journal of Applied Phycology Journal Volume: 34 Journal Issue: 5; Journal ID: ISSN 0921-8971
Publisher:
Springer Science + Business Media
Country of Publication:
Netherlands
Language:
English

Citation Formats

Li, Yaoguang, Umanzor, Schery, Ng, Crystal, Huang, Mao, Marty-Rivera, Michael, Bailey, David, Aydlett, Margaret, Jannink, Jean-Luc, Lindell, Scott, and Yarish, Charles. Skinny kelp (Saccharina angustissima) provides valuable genetics for the biomass improvement of farmed sugar kelp (Saccharina latissima). Netherlands: N. p., 2022. Web. doi:10.1007/s10811-022-02811-1.
Li, Yaoguang, Umanzor, Schery, Ng, Crystal, Huang, Mao, Marty-Rivera, Michael, Bailey, David, Aydlett, Margaret, Jannink, Jean-Luc, Lindell, Scott, & Yarish, Charles. Skinny kelp (Saccharina angustissima) provides valuable genetics for the biomass improvement of farmed sugar kelp (Saccharina latissima). Netherlands. https://doi.org/10.1007/s10811-022-02811-1
Li, Yaoguang, Umanzor, Schery, Ng, Crystal, Huang, Mao, Marty-Rivera, Michael, Bailey, David, Aydlett, Margaret, Jannink, Jean-Luc, Lindell, Scott, and Yarish, Charles. Sat . "Skinny kelp (Saccharina angustissima) provides valuable genetics for the biomass improvement of farmed sugar kelp (Saccharina latissima)". Netherlands. https://doi.org/10.1007/s10811-022-02811-1.
@article{osti_1882750,
title = {Skinny kelp (Saccharina angustissima) provides valuable genetics for the biomass improvement of farmed sugar kelp (Saccharina latissima)},
author = {Li, Yaoguang and Umanzor, Schery and Ng, Crystal and Huang, Mao and Marty-Rivera, Michael and Bailey, David and Aydlett, Margaret and Jannink, Jean-Luc and Lindell, Scott and Yarish, Charles},
abstractNote = {Abstract Saccharina latissima (sugar kelp) is one of the most widely cultivated brown marine macroalgae species in the North Atlantic and the eastern North Pacific Oceans. To meet the expanding demands of the sugar kelp mariculture industry, selecting and breeding sugar kelp that is best suited to offshore farm environments is becoming necessary. To that end, a multi-year, multi-institutional breeding program was established by the U.S. Department of Energy's (DOE) Advanced Research Projects Agency-Energy (ARPA-E) Macroalgae Research Inspiring Novel Energy Resources (MARINER) program. Hybrid sporophytes were generated using 203 unique gametophyte cultures derived from wild-collected Saccharina spp . for two seasons of farm trials (2019–2020 and 2020–2021). The wild sporophytes were collected from 10 different locations within the Gulf of Maine (USA) region, including both sugar kelp ( Saccharina latissima ) and the skinny kelp species ( Saccharina angustissima ). We harvested 232 common farm plots during these two seasons with available data. We found that farmed kelp plots with skinny kelp as parents had an average increased yield over the mean (wet weight 2.48 ± 0.90 kg m −1 and dry weight 0.32 ± 0.10 kg m −1 ) in both growing seasons. We also found that blade length positively correlated with biomass in skinny kelp x sugar kelp crosses or pure sugar kelp crosses. The skinny x sugar progenies had significantly longer and narrower blades than the pure sugar kelp progenies in both seasons. Overall, these findings suggest that sugar x skinny kelp crosses provide improved yield compared to pure sugar kelp crosses.},
doi = {10.1007/s10811-022-02811-1},
journal = {Journal of Applied Phycology},
number = 5,
volume = 34,
place = {Netherlands},
year = {Sat Aug 20 00:00:00 EDT 2022},
month = {Sat Aug 20 00:00:00 EDT 2022}
}

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