Effects of exogenous hormones on the regeneration of juveniles from Sargassum fusiforme holdfasts
During the cultivation of Sargassum fusiforme, sexual reproduction of superior strains can hinder the stable inheritance of their desirable traits and reduce their economic benefits. However, vegetative reproduction of S. fusiforme holdfasts has high potential for subculture. In this study, we inves...
Ausführliche Beschreibung
Autor*in: |
Lin Luo [verfasserIn] Xiaojie Zuo [verfasserIn] Lina Guo [verfasserIn] Guanfeng Pang [verfasserIn] Zengling Ma [verfasserIn] Mingjiang Wu [verfasserIn] Binbin Chen [verfasserIn] |
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E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2023 |
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Übergeordnetes Werk: |
In: Frontiers in Marine Science - Frontiers Media S.A., 2015, 9(2023) |
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Übergeordnetes Werk: |
volume:9 ; year:2023 |
Links: |
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DOI / URN: |
10.3389/fmars.2022.1072391 |
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Katalog-ID: |
DOAJ082747385 |
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520 | |a During the cultivation of Sargassum fusiforme, sexual reproduction of superior strains can hinder the stable inheritance of their desirable traits and reduce their economic benefits. However, vegetative reproduction of S. fusiforme holdfasts has high potential for subculture. In this study, we investigated the effects of different concentrations of α-naphthaleneacetic acid (NAA), gibberellin (GA3), and 6-benzyladenine (BAP) on the growth and regeneration of S. fusiforme holdfasts. Exogenous application of 1.5, 2 mg·L-1NAA, 1.5 mg·L-1 GA3 or 2, 3 mg·L-1BAP significantly promoted photosynthetic activity and the absorption and utilization of nitrate nitrogen in S. fusiforme holdfasts, thus improving the relative growth rate (RGR) and regeneration rate (RR) and shortening the time for the regeneration of juveniles from S. fusiforme holdfasts to around the 6th day. Among these, the RGR and RR at the end of the culture period with 1.5 mg·L-1 of NAA increased by 118.9% and 67.4%, respectively, compared with those of the control group. However, treatment with 1.5 mg·L-1 GA3 increased the RR of S. fusiforme holdfasts by 58.8% compared with that of the control group. Under BAP treatment at 3 mg·L-1, the RR of S. fusiforme holdfasts increased by 23.4% compared with that of the control group; its promoting effect was thus weaker than that of NAA and GA3. When the concentration of GA3 or BAP was too high (3 mg·L-1; 5 mg·L-1), the RR of the holdfasts decreased by 46.5% and 42.8%, respectively compared with that of the control group. Therefore, exogenous application of NAA at 1.5 mg·L-1, GA3 at 1.5 mg·L-1, and BAP at 3 mg·L-1 can be used to induce regeneration of S. fusiforme holdfasts, shorten the culture time of regenerated seedlings, and obtain more regenerative seedlings, thereby improving economic efficiency. | ||
650 | 4 | |a Sargassum fusiforme | |
650 | 4 | |a holdfast regeneration | |
650 | 4 | |a seaweed hormones | |
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700 | 0 | |a Binbin Chen |e verfasserin |4 aut | |
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10.3389/fmars.2022.1072391 doi (DE-627)DOAJ082747385 (DE-599)DOAJd0010e4d4da74792af1a8def53287ad3 DE-627 ger DE-627 rakwb eng QH1-199.5 Lin Luo verfasserin aut Effects of exogenous hormones on the regeneration of juveniles from Sargassum fusiforme holdfasts 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier During the cultivation of Sargassum fusiforme, sexual reproduction of superior strains can hinder the stable inheritance of their desirable traits and reduce their economic benefits. However, vegetative reproduction of S. fusiforme holdfasts has high potential for subculture. In this study, we investigated the effects of different concentrations of α-naphthaleneacetic acid (NAA), gibberellin (GA3), and 6-benzyladenine (BAP) on the growth and regeneration of S. fusiforme holdfasts. Exogenous application of 1.5, 2 mg·L-1NAA, 1.5 mg·L-1 GA3 or 2, 3 mg·L-1BAP significantly promoted photosynthetic activity and the absorption and utilization of nitrate nitrogen in S. fusiforme holdfasts, thus improving the relative growth rate (RGR) and regeneration rate (RR) and shortening the time for the regeneration of juveniles from S. fusiforme holdfasts to around the 6th day. Among these, the RGR and RR at the end of the culture period with 1.5 mg·L-1 of NAA increased by 118.9% and 67.4%, respectively, compared with those of the control group. However, treatment with 1.5 mg·L-1 GA3 increased the RR of S. fusiforme holdfasts by 58.8% compared with that of the control group. Under BAP treatment at 3 mg·L-1, the RR of S. fusiforme holdfasts increased by 23.4% compared with that of the control group; its promoting effect was thus weaker than that of NAA and GA3. When the concentration of GA3 or BAP was too high (3 mg·L-1; 5 mg·L-1), the RR of the holdfasts decreased by 46.5% and 42.8%, respectively compared with that of the control group. Therefore, exogenous application of NAA at 1.5 mg·L-1, GA3 at 1.5 mg·L-1, and BAP at 3 mg·L-1 can be used to induce regeneration of S. fusiforme holdfasts, shorten the culture time of regenerated seedlings, and obtain more regenerative seedlings, thereby improving economic efficiency. Sargassum fusiforme holdfast regeneration seaweed hormones breeding plant growth regulators Science Q General. Including nature conservation, geographical distribution Lin Luo verfasserin aut Xiaojie Zuo verfasserin aut Xiaojie Zuo verfasserin aut Lina Guo verfasserin aut Lina Guo verfasserin aut Guanfeng Pang verfasserin aut Guanfeng Pang verfasserin aut Zengling Ma verfasserin aut Zengling Ma verfasserin aut Zengling Ma verfasserin aut Mingjiang Wu verfasserin aut Mingjiang Wu verfasserin aut Mingjiang Wu verfasserin aut Binbin Chen verfasserin aut Binbin Chen verfasserin aut Binbin Chen verfasserin aut In Frontiers in Marine Science Frontiers Media S.A., 2015 9(2023) (DE-627)779393945 (DE-600)2757748-X 22967745 nnns volume:9 year:2023 https://doi.org/10.3389/fmars.2022.1072391 kostenfrei https://doaj.org/article/d0010e4d4da74792af1a8def53287ad3 kostenfrei https://www.frontiersin.org/articles/10.3389/fmars.2022.1072391/full kostenfrei https://doaj.org/toc/2296-7745 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2023 |
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10.3389/fmars.2022.1072391 doi (DE-627)DOAJ082747385 (DE-599)DOAJd0010e4d4da74792af1a8def53287ad3 DE-627 ger DE-627 rakwb eng QH1-199.5 Lin Luo verfasserin aut Effects of exogenous hormones on the regeneration of juveniles from Sargassum fusiforme holdfasts 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier During the cultivation of Sargassum fusiforme, sexual reproduction of superior strains can hinder the stable inheritance of their desirable traits and reduce their economic benefits. However, vegetative reproduction of S. fusiforme holdfasts has high potential for subculture. In this study, we investigated the effects of different concentrations of α-naphthaleneacetic acid (NAA), gibberellin (GA3), and 6-benzyladenine (BAP) on the growth and regeneration of S. fusiforme holdfasts. Exogenous application of 1.5, 2 mg·L-1NAA, 1.5 mg·L-1 GA3 or 2, 3 mg·L-1BAP significantly promoted photosynthetic activity and the absorption and utilization of nitrate nitrogen in S. fusiforme holdfasts, thus improving the relative growth rate (RGR) and regeneration rate (RR) and shortening the time for the regeneration of juveniles from S. fusiforme holdfasts to around the 6th day. Among these, the RGR and RR at the end of the culture period with 1.5 mg·L-1 of NAA increased by 118.9% and 67.4%, respectively, compared with those of the control group. However, treatment with 1.5 mg·L-1 GA3 increased the RR of S. fusiforme holdfasts by 58.8% compared with that of the control group. Under BAP treatment at 3 mg·L-1, the RR of S. fusiforme holdfasts increased by 23.4% compared with that of the control group; its promoting effect was thus weaker than that of NAA and GA3. When the concentration of GA3 or BAP was too high (3 mg·L-1; 5 mg·L-1), the RR of the holdfasts decreased by 46.5% and 42.8%, respectively compared with that of the control group. Therefore, exogenous application of NAA at 1.5 mg·L-1, GA3 at 1.5 mg·L-1, and BAP at 3 mg·L-1 can be used to induce regeneration of S. fusiforme holdfasts, shorten the culture time of regenerated seedlings, and obtain more regenerative seedlings, thereby improving economic efficiency. Sargassum fusiforme holdfast regeneration seaweed hormones breeding plant growth regulators Science Q General. Including nature conservation, geographical distribution Lin Luo verfasserin aut Xiaojie Zuo verfasserin aut Xiaojie Zuo verfasserin aut Lina Guo verfasserin aut Lina Guo verfasserin aut Guanfeng Pang verfasserin aut Guanfeng Pang verfasserin aut Zengling Ma verfasserin aut Zengling Ma verfasserin aut Zengling Ma verfasserin aut Mingjiang Wu verfasserin aut Mingjiang Wu verfasserin aut Mingjiang Wu verfasserin aut Binbin Chen verfasserin aut Binbin Chen verfasserin aut Binbin Chen verfasserin aut In Frontiers in Marine Science Frontiers Media S.A., 2015 9(2023) (DE-627)779393945 (DE-600)2757748-X 22967745 nnns volume:9 year:2023 https://doi.org/10.3389/fmars.2022.1072391 kostenfrei https://doaj.org/article/d0010e4d4da74792af1a8def53287ad3 kostenfrei https://www.frontiersin.org/articles/10.3389/fmars.2022.1072391/full kostenfrei https://doaj.org/toc/2296-7745 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2023 |
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10.3389/fmars.2022.1072391 doi (DE-627)DOAJ082747385 (DE-599)DOAJd0010e4d4da74792af1a8def53287ad3 DE-627 ger DE-627 rakwb eng QH1-199.5 Lin Luo verfasserin aut Effects of exogenous hormones on the regeneration of juveniles from Sargassum fusiforme holdfasts 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier During the cultivation of Sargassum fusiforme, sexual reproduction of superior strains can hinder the stable inheritance of their desirable traits and reduce their economic benefits. However, vegetative reproduction of S. fusiforme holdfasts has high potential for subculture. In this study, we investigated the effects of different concentrations of α-naphthaleneacetic acid (NAA), gibberellin (GA3), and 6-benzyladenine (BAP) on the growth and regeneration of S. fusiforme holdfasts. Exogenous application of 1.5, 2 mg·L-1NAA, 1.5 mg·L-1 GA3 or 2, 3 mg·L-1BAP significantly promoted photosynthetic activity and the absorption and utilization of nitrate nitrogen in S. fusiforme holdfasts, thus improving the relative growth rate (RGR) and regeneration rate (RR) and shortening the time for the regeneration of juveniles from S. fusiforme holdfasts to around the 6th day. Among these, the RGR and RR at the end of the culture period with 1.5 mg·L-1 of NAA increased by 118.9% and 67.4%, respectively, compared with those of the control group. However, treatment with 1.5 mg·L-1 GA3 increased the RR of S. fusiforme holdfasts by 58.8% compared with that of the control group. Under BAP treatment at 3 mg·L-1, the RR of S. fusiforme holdfasts increased by 23.4% compared with that of the control group; its promoting effect was thus weaker than that of NAA and GA3. When the concentration of GA3 or BAP was too high (3 mg·L-1; 5 mg·L-1), the RR of the holdfasts decreased by 46.5% and 42.8%, respectively compared with that of the control group. Therefore, exogenous application of NAA at 1.5 mg·L-1, GA3 at 1.5 mg·L-1, and BAP at 3 mg·L-1 can be used to induce regeneration of S. fusiforme holdfasts, shorten the culture time of regenerated seedlings, and obtain more regenerative seedlings, thereby improving economic efficiency. Sargassum fusiforme holdfast regeneration seaweed hormones breeding plant growth regulators Science Q General. Including nature conservation, geographical distribution Lin Luo verfasserin aut Xiaojie Zuo verfasserin aut Xiaojie Zuo verfasserin aut Lina Guo verfasserin aut Lina Guo verfasserin aut Guanfeng Pang verfasserin aut Guanfeng Pang verfasserin aut Zengling Ma verfasserin aut Zengling Ma verfasserin aut Zengling Ma verfasserin aut Mingjiang Wu verfasserin aut Mingjiang Wu verfasserin aut Mingjiang Wu verfasserin aut Binbin Chen verfasserin aut Binbin Chen verfasserin aut Binbin Chen verfasserin aut In Frontiers in Marine Science Frontiers Media S.A., 2015 9(2023) (DE-627)779393945 (DE-600)2757748-X 22967745 nnns volume:9 year:2023 https://doi.org/10.3389/fmars.2022.1072391 kostenfrei https://doaj.org/article/d0010e4d4da74792af1a8def53287ad3 kostenfrei https://www.frontiersin.org/articles/10.3389/fmars.2022.1072391/full kostenfrei https://doaj.org/toc/2296-7745 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2023 |
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QH1-199.5 Effects of exogenous hormones on the regeneration of juveniles from Sargassum fusiforme holdfasts Sargassum fusiforme holdfast regeneration seaweed hormones breeding plant growth regulators |
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Effects of exogenous hormones on the regeneration of juveniles from Sargassum fusiforme holdfasts |
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Effects of exogenous hormones on the regeneration of juveniles from Sargassum fusiforme holdfasts |
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Lin Luo |
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Lin Luo Xiaojie Zuo Lina Guo Guanfeng Pang Zengling Ma Mingjiang Wu Binbin Chen |
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effects of exogenous hormones on the regeneration of juveniles from sargassum fusiforme holdfasts |
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Effects of exogenous hormones on the regeneration of juveniles from Sargassum fusiforme holdfasts |
abstract |
During the cultivation of Sargassum fusiforme, sexual reproduction of superior strains can hinder the stable inheritance of their desirable traits and reduce their economic benefits. However, vegetative reproduction of S. fusiforme holdfasts has high potential for subculture. In this study, we investigated the effects of different concentrations of α-naphthaleneacetic acid (NAA), gibberellin (GA3), and 6-benzyladenine (BAP) on the growth and regeneration of S. fusiforme holdfasts. Exogenous application of 1.5, 2 mg·L-1NAA, 1.5 mg·L-1 GA3 or 2, 3 mg·L-1BAP significantly promoted photosynthetic activity and the absorption and utilization of nitrate nitrogen in S. fusiforme holdfasts, thus improving the relative growth rate (RGR) and regeneration rate (RR) and shortening the time for the regeneration of juveniles from S. fusiforme holdfasts to around the 6th day. Among these, the RGR and RR at the end of the culture period with 1.5 mg·L-1 of NAA increased by 118.9% and 67.4%, respectively, compared with those of the control group. However, treatment with 1.5 mg·L-1 GA3 increased the RR of S. fusiforme holdfasts by 58.8% compared with that of the control group. Under BAP treatment at 3 mg·L-1, the RR of S. fusiforme holdfasts increased by 23.4% compared with that of the control group; its promoting effect was thus weaker than that of NAA and GA3. When the concentration of GA3 or BAP was too high (3 mg·L-1; 5 mg·L-1), the RR of the holdfasts decreased by 46.5% and 42.8%, respectively compared with that of the control group. Therefore, exogenous application of NAA at 1.5 mg·L-1, GA3 at 1.5 mg·L-1, and BAP at 3 mg·L-1 can be used to induce regeneration of S. fusiforme holdfasts, shorten the culture time of regenerated seedlings, and obtain more regenerative seedlings, thereby improving economic efficiency. |
abstractGer |
During the cultivation of Sargassum fusiforme, sexual reproduction of superior strains can hinder the stable inheritance of their desirable traits and reduce their economic benefits. However, vegetative reproduction of S. fusiforme holdfasts has high potential for subculture. In this study, we investigated the effects of different concentrations of α-naphthaleneacetic acid (NAA), gibberellin (GA3), and 6-benzyladenine (BAP) on the growth and regeneration of S. fusiforme holdfasts. Exogenous application of 1.5, 2 mg·L-1NAA, 1.5 mg·L-1 GA3 or 2, 3 mg·L-1BAP significantly promoted photosynthetic activity and the absorption and utilization of nitrate nitrogen in S. fusiforme holdfasts, thus improving the relative growth rate (RGR) and regeneration rate (RR) and shortening the time for the regeneration of juveniles from S. fusiforme holdfasts to around the 6th day. Among these, the RGR and RR at the end of the culture period with 1.5 mg·L-1 of NAA increased by 118.9% and 67.4%, respectively, compared with those of the control group. However, treatment with 1.5 mg·L-1 GA3 increased the RR of S. fusiforme holdfasts by 58.8% compared with that of the control group. Under BAP treatment at 3 mg·L-1, the RR of S. fusiforme holdfasts increased by 23.4% compared with that of the control group; its promoting effect was thus weaker than that of NAA and GA3. When the concentration of GA3 or BAP was too high (3 mg·L-1; 5 mg·L-1), the RR of the holdfasts decreased by 46.5% and 42.8%, respectively compared with that of the control group. Therefore, exogenous application of NAA at 1.5 mg·L-1, GA3 at 1.5 mg·L-1, and BAP at 3 mg·L-1 can be used to induce regeneration of S. fusiforme holdfasts, shorten the culture time of regenerated seedlings, and obtain more regenerative seedlings, thereby improving economic efficiency. |
abstract_unstemmed |
During the cultivation of Sargassum fusiforme, sexual reproduction of superior strains can hinder the stable inheritance of their desirable traits and reduce their economic benefits. However, vegetative reproduction of S. fusiforme holdfasts has high potential for subculture. In this study, we investigated the effects of different concentrations of α-naphthaleneacetic acid (NAA), gibberellin (GA3), and 6-benzyladenine (BAP) on the growth and regeneration of S. fusiforme holdfasts. Exogenous application of 1.5, 2 mg·L-1NAA, 1.5 mg·L-1 GA3 or 2, 3 mg·L-1BAP significantly promoted photosynthetic activity and the absorption and utilization of nitrate nitrogen in S. fusiforme holdfasts, thus improving the relative growth rate (RGR) and regeneration rate (RR) and shortening the time for the regeneration of juveniles from S. fusiforme holdfasts to around the 6th day. Among these, the RGR and RR at the end of the culture period with 1.5 mg·L-1 of NAA increased by 118.9% and 67.4%, respectively, compared with those of the control group. However, treatment with 1.5 mg·L-1 GA3 increased the RR of S. fusiforme holdfasts by 58.8% compared with that of the control group. Under BAP treatment at 3 mg·L-1, the RR of S. fusiforme holdfasts increased by 23.4% compared with that of the control group; its promoting effect was thus weaker than that of NAA and GA3. When the concentration of GA3 or BAP was too high (3 mg·L-1; 5 mg·L-1), the RR of the holdfasts decreased by 46.5% and 42.8%, respectively compared with that of the control group. Therefore, exogenous application of NAA at 1.5 mg·L-1, GA3 at 1.5 mg·L-1, and BAP at 3 mg·L-1 can be used to induce regeneration of S. fusiforme holdfasts, shorten the culture time of regenerated seedlings, and obtain more regenerative seedlings, thereby improving economic efficiency. |
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title_short |
Effects of exogenous hormones on the regeneration of juveniles from Sargassum fusiforme holdfasts |
url |
https://doi.org/10.3389/fmars.2022.1072391 https://doaj.org/article/d0010e4d4da74792af1a8def53287ad3 https://www.frontiersin.org/articles/10.3389/fmars.2022.1072391/full https://doaj.org/toc/2296-7745 |
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