Extracts of the Brown Alga Dictyota dichotoma (Hudson) J.V. Lamouroux Alleviate Salt Stress in Rice (Oryza sativa L.) During Germination
Algal extracts provide a safe regime for enhancing crop productivity under stressful conditions. The present study evaluated the efficiency of aqueous and ethanolic extracts of the brown alga Dictyota dichotoma in alleviation of salt stress on germination of rice seeds. Firstly, seeds were germinate...
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description | Algal extracts provide a safe regime for enhancing crop productivity under stressful conditions. The present study evaluated the efficiency of aqueous and ethanolic extracts of the brown alga
Dictyota dichotoma
in alleviation of salt stress on germination of rice seeds. Firstly, seeds were germinated using the aqueous extract of
D. dichotoma
at concentrations of 0, 5, 10, 20, and 50 g L
−1
, prepared either at room temperature (RTE) or by boiling (BLE). The % germination of rice increased from 84% in non-treated seeds to 100% when treated with 20 g L
−1
BLE, although this treatment caused reduced uniformity of germination. Embryo growth was maximum at 20 g L
−1
of both extracts with superiority of BLE over RTE. In the second experiment, the effect of 20 g L
−1
aqueous and ethanolic extracts relative to a balanced nutrient supply on germination of seeds treated with 0, 40, 90, and 170 mM NaCl was investigated. Salinity reduced % germination with delayed onset but high uniformity of germination, whereas algal amendments counterbalanced the effect of salinity to a greater extent relative to the nutrient supply. Upon withdrawal of salt stress, seeds promptly recovered, with more efficient recovery of seeds exposed to 170 mM than from 90 mM NaCl. The lower recovery of salt-treated seeds compared with the control seed germination suggests that rice suffered from the toxic ion effect of salinity on embryo rather than from the osmotic effect. Extracts of
D. dichotoma
can enhance and also alleviate salinity stress on rice seed germination. |
doi_str_mv | 10.1007/s00344-020-10156-7 |
format | Article |
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Dictyota dichotoma
in alleviation of salt stress on germination of rice seeds. Firstly, seeds were germinated using the aqueous extract of
D. dichotoma
at concentrations of 0, 5, 10, 20, and 50 g L
−1
, prepared either at room temperature (RTE) or by boiling (BLE). The % germination of rice increased from 84% in non-treated seeds to 100% when treated with 20 g L
−1
BLE, although this treatment caused reduced uniformity of germination. Embryo growth was maximum at 20 g L
−1
of both extracts with superiority of BLE over RTE. In the second experiment, the effect of 20 g L
−1
aqueous and ethanolic extracts relative to a balanced nutrient supply on germination of seeds treated with 0, 40, 90, and 170 mM NaCl was investigated. Salinity reduced % germination with delayed onset but high uniformity of germination, whereas algal amendments counterbalanced the effect of salinity to a greater extent relative to the nutrient supply. Upon withdrawal of salt stress, seeds promptly recovered, with more efficient recovery of seeds exposed to 170 mM than from 90 mM NaCl. The lower recovery of salt-treated seeds compared with the control seed germination suggests that rice suffered from the toxic ion effect of salinity on embryo rather than from the osmotic effect. Extracts of
D. dichotoma
can enhance and also alleviate salinity stress on rice seed germination.</description><identifier>ISSN: 0721-7595</identifier><identifier>EISSN: 1435-8107</identifier><identifier>DOI: 10.1007/s00344-020-10156-7</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Abiotic stress ; Agriculture ; Algae ; Biomedical and Life Sciences ; Crop production ; Dictyota dichotoma ; Embryos ; Germination ; Life Sciences ; Nutrients ; Plant Anatomy/Development ; Plant Physiology ; Plant Sciences ; Recovery ; Rice ; Room temperature ; Salinity ; Salinity effects ; Salinity tolerance ; Salts ; Seed germination ; Seeds ; Sodium chloride</subject><ispartof>Journal of plant growth regulation, 2021-06, Vol.40 (3), p.986-999</ispartof><rights>Springer Science+Business Media, LLC, part of Springer Nature 2020</rights><rights>Springer Science+Business Media, LLC, part of Springer Nature 2020.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c2347-1f5b5c7f0c2d2271760bdc698f187eb01f3b9daf40e826db47018f2c909604b33</citedby><cites>FETCH-LOGICAL-c2347-1f5b5c7f0c2d2271760bdc698f187eb01f3b9daf40e826db47018f2c909604b33</cites><orcidid>0000-0002-6222-7273</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00344-020-10156-7$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00344-020-10156-7$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>315,781,785,27929,27930,41493,42562,51324</link.rule.ids></links><search><creatorcontrib>El-Katony, Taha Mohamed</creatorcontrib><creatorcontrib>Deyab, Mohamed Ali</creatorcontrib><creatorcontrib>El-Adl, Magda Faiz</creatorcontrib><creatorcontrib>Ward, Fatma Mohamed El-Nabway</creatorcontrib><title>Extracts of the Brown Alga Dictyota dichotoma (Hudson) J.V. Lamouroux Alleviate Salt Stress in Rice (Oryza sativa L.) During Germination</title><title>Journal of plant growth regulation</title><addtitle>J Plant Growth Regul</addtitle><description>Algal extracts provide a safe regime for enhancing crop productivity under stressful conditions. The present study evaluated the efficiency of aqueous and ethanolic extracts of the brown alga
Dictyota dichotoma
in alleviation of salt stress on germination of rice seeds. Firstly, seeds were germinated using the aqueous extract of
D. dichotoma
at concentrations of 0, 5, 10, 20, and 50 g L
−1
, prepared either at room temperature (RTE) or by boiling (BLE). The % germination of rice increased from 84% in non-treated seeds to 100% when treated with 20 g L
−1
BLE, although this treatment caused reduced uniformity of germination. Embryo growth was maximum at 20 g L
−1
of both extracts with superiority of BLE over RTE. In the second experiment, the effect of 20 g L
−1
aqueous and ethanolic extracts relative to a balanced nutrient supply on germination of seeds treated with 0, 40, 90, and 170 mM NaCl was investigated. Salinity reduced % germination with delayed onset but high uniformity of germination, whereas algal amendments counterbalanced the effect of salinity to a greater extent relative to the nutrient supply. Upon withdrawal of salt stress, seeds promptly recovered, with more efficient recovery of seeds exposed to 170 mM than from 90 mM NaCl. The lower recovery of salt-treated seeds compared with the control seed germination suggests that rice suffered from the toxic ion effect of salinity on embryo rather than from the osmotic effect. Extracts of
D. dichotoma
can enhance and also alleviate salinity stress on rice seed germination.</description><subject>Abiotic stress</subject><subject>Agriculture</subject><subject>Algae</subject><subject>Biomedical and Life Sciences</subject><subject>Crop production</subject><subject>Dictyota dichotoma</subject><subject>Embryos</subject><subject>Germination</subject><subject>Life Sciences</subject><subject>Nutrients</subject><subject>Plant Anatomy/Development</subject><subject>Plant Physiology</subject><subject>Plant Sciences</subject><subject>Recovery</subject><subject>Rice</subject><subject>Room temperature</subject><subject>Salinity</subject><subject>Salinity effects</subject><subject>Salinity tolerance</subject><subject>Salts</subject><subject>Seed germination</subject><subject>Seeds</subject><subject>Sodium chloride</subject><issn>0721-7595</issn><issn>1435-8107</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp9kElLBDEQhYMoOC5_wFOBFz30WEkv6T66LwwIbteQTicamemMSVodf4E_2-gI3jwVVbz3ivcRskNxTBH5QUDMiyJDhhlFWlYZXyEjWuRlVlPkq2SEnNGMl025TjZCeEakaeEj8nn6Hr1UMYAzEJ80HHn31sPh9FHCiVVx4aKEzqonF91Mwt7F0AXX78PV-GEMEzlzg3fDe9JP9auVUcOtnEa4jV6HALaHG6s07F37xYeEIKN9lTAZ78PJ4G3_COfaz2yfzq7fImtGToPe_p2b5P7s9O74Iptcn18eH04yxfKCZ9SUbam4QcU6xjjlFbadqpra0JrrFqnJ26aTpkBds6prC460Nkw12FRYtHm-SXaXuXPvXgYdonhOHfr0UrAyLxIuxCap2FKlvAvBayPm3s6kXwiK4pu4WBIXibj4IS54MuVLU5h_t9P-L_of1xd9kIKr</recordid><startdate>20210601</startdate><enddate>20210601</enddate><creator>El-Katony, Taha Mohamed</creator><creator>Deyab, Mohamed Ali</creator><creator>El-Adl, Magda Faiz</creator><creator>Ward, Fatma Mohamed El-Nabway</creator><general>Springer US</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7X2</scope><scope>7X7</scope><scope>7XB</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>LK8</scope><scope>M0K</scope><scope>M0S</scope><scope>M7P</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><orcidid>https://orcid.org/0000-0002-6222-7273</orcidid></search><sort><creationdate>20210601</creationdate><title>Extracts of the Brown Alga Dictyota dichotoma (Hudson) J.V. Lamouroux Alleviate Salt Stress in Rice (Oryza sativa L.) During Germination</title><author>El-Katony, Taha Mohamed ; Deyab, Mohamed Ali ; El-Adl, Magda Faiz ; Ward, Fatma Mohamed El-Nabway</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2347-1f5b5c7f0c2d2271760bdc698f187eb01f3b9daf40e826db47018f2c909604b33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Abiotic stress</topic><topic>Agriculture</topic><topic>Algae</topic><topic>Biomedical and Life Sciences</topic><topic>Crop production</topic><topic>Dictyota dichotoma</topic><topic>Embryos</topic><topic>Germination</topic><topic>Life Sciences</topic><topic>Nutrients</topic><topic>Plant Anatomy/Development</topic><topic>Plant Physiology</topic><topic>Plant Sciences</topic><topic>Recovery</topic><topic>Rice</topic><topic>Room temperature</topic><topic>Salinity</topic><topic>Salinity effects</topic><topic>Salinity tolerance</topic><topic>Salts</topic><topic>Seed germination</topic><topic>Seeds</topic><topic>Sodium chloride</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>El-Katony, Taha Mohamed</creatorcontrib><creatorcontrib>Deyab, Mohamed Ali</creatorcontrib><creatorcontrib>El-Adl, Magda Faiz</creatorcontrib><creatorcontrib>Ward, Fatma Mohamed El-Nabway</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Agricultural Science Collection</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>ProQuest Biological Science Collection</collection><collection>Agricultural Science Database</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Biological Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><jtitle>Journal of plant growth regulation</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>El-Katony, Taha Mohamed</au><au>Deyab, Mohamed Ali</au><au>El-Adl, Magda Faiz</au><au>Ward, Fatma Mohamed El-Nabway</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Extracts of the Brown Alga Dictyota dichotoma (Hudson) J.V. Lamouroux Alleviate Salt Stress in Rice (Oryza sativa L.) During Germination</atitle><jtitle>Journal of plant growth regulation</jtitle><stitle>J Plant Growth Regul</stitle><date>2021-06-01</date><risdate>2021</risdate><volume>40</volume><issue>3</issue><spage>986</spage><epage>999</epage><pages>986-999</pages><issn>0721-7595</issn><eissn>1435-8107</eissn><abstract>Algal extracts provide a safe regime for enhancing crop productivity under stressful conditions. The present study evaluated the efficiency of aqueous and ethanolic extracts of the brown alga
Dictyota dichotoma
in alleviation of salt stress on germination of rice seeds. Firstly, seeds were germinated using the aqueous extract of
D. dichotoma
at concentrations of 0, 5, 10, 20, and 50 g L
−1
, prepared either at room temperature (RTE) or by boiling (BLE). The % germination of rice increased from 84% in non-treated seeds to 100% when treated with 20 g L
−1
BLE, although this treatment caused reduced uniformity of germination. Embryo growth was maximum at 20 g L
−1
of both extracts with superiority of BLE over RTE. In the second experiment, the effect of 20 g L
−1
aqueous and ethanolic extracts relative to a balanced nutrient supply on germination of seeds treated with 0, 40, 90, and 170 mM NaCl was investigated. Salinity reduced % germination with delayed onset but high uniformity of germination, whereas algal amendments counterbalanced the effect of salinity to a greater extent relative to the nutrient supply. Upon withdrawal of salt stress, seeds promptly recovered, with more efficient recovery of seeds exposed to 170 mM than from 90 mM NaCl. The lower recovery of salt-treated seeds compared with the control seed germination suggests that rice suffered from the toxic ion effect of salinity on embryo rather than from the osmotic effect. Extracts of
D. dichotoma
can enhance and also alleviate salinity stress on rice seed germination.</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s00344-020-10156-7</doi><tpages>14</tpages><orcidid>https://orcid.org/0000-0002-6222-7273</orcidid></addata></record> |
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source | SpringerNature Journals |
subjects | Abiotic stress Agriculture Algae Biomedical and Life Sciences Crop production Dictyota dichotoma Embryos Germination Life Sciences Nutrients Plant Anatomy/Development Plant Physiology Plant Sciences Recovery Rice Room temperature Salinity Salinity effects Salinity tolerance Salts Seed germination Seeds Sodium chloride |
title | Extracts of the Brown Alga Dictyota dichotoma (Hudson) J.V. Lamouroux Alleviate Salt Stress in Rice (Oryza sativa L.) During Germination |
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