Effects of exogenous salicylic acid and abscisic acid on growth, photosynthesis and antioxidant system of rice
The key function of plant growth regulators is to adjust the growth and development of plants to adapt to the changing environment, which plays a vital role in the growth and yield of crops. This study was aimed to evaluate the ability of foliar application of salicylic acid (SA) and abscisic acid (...
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| Veröffentlicht in: | Chilean journal of agricultural research 2022-01, Vol.82 (1), p.21-32 |
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| creator | Chen, Guanjie Zheng, Dianfeng Feng, Naijie Zhou, Hang Mu, Dewei Liu, Ling Zhao, Liming Shen, Xuefeng Rao, Gangshun Li, Tianzi |
| description | The key function of plant growth regulators is to adjust the growth and development of plants to adapt to the changing environment, which plays a vital role in the growth and yield of crops. This study was aimed to evaluate the ability of foliar application of salicylic acid (SA) and abscisic acid (ABA) to regulate rice (Oryza sativa L.) growth quality at seedling stage and reproductive stage. The two rice cultivars Wanshengyoutianhong-4 (W4) and Huanghuazhan (HZ) were sprayed foliar with SA (100 mg [L.sup.-1]) and ABA (4 mg [L.sup.-1]) at two-leaf stage, and their effects on morphological growth, physiological characteristics, malondialdehyde (MDA), osmotic substances, protective enzyme activities, photosynthesis and yield components were studied. Results indicated that SA and ABA significantly increased morphological growth, osmotic substances, antioxidant enzyme activities; MDA content dropped significantly (p < 0.05) in W4. While the two regulators inhibited morphological growth and physiological characteristics in HZ. Additionally, net photosynthesis, stomatal conductance, transpiration rate, water use efficiency and apparent mesophyll conductance were improved in both of rice cultivars at heading stage as well as grain weight. In conclusion, foliar spray of SA and ABA enhanced plant growth, induced an increase in protective enzyme activities and reduced the oxidative damage of the hybrid rice cultivar but not of the conventional rice cultivar at seedling stage. Meanwhile, photosynthetic parameters and grain weight were slightly enhanced at reproductive stage. These results served as a theoretical basis and technical support for the chemical regulation and cultivation practices of rice. Key words: Abscisic acid, antioxidant enzyme activities, photosynthesis, salicylic acid, yield components. |
| doi_str_mv | 10.4067/S0718-58392022000100021 |
| format | Article |
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This study was aimed to evaluate the ability of foliar application of salicylic acid (SA) and abscisic acid (ABA) to regulate rice (Oryza sativa L.) growth quality at seedling stage and reproductive stage. The two rice cultivars Wanshengyoutianhong-4 (W4) and Huanghuazhan (HZ) were sprayed foliar with SA (100 mg [L.sup.-1]) and ABA (4 mg [L.sup.-1]) at two-leaf stage, and their effects on morphological growth, physiological characteristics, malondialdehyde (MDA), osmotic substances, protective enzyme activities, photosynthesis and yield components were studied. Results indicated that SA and ABA significantly increased morphological growth, osmotic substances, antioxidant enzyme activities; MDA content dropped significantly (p < 0.05) in W4. While the two regulators inhibited morphological growth and physiological characteristics in HZ. Additionally, net photosynthesis, stomatal conductance, transpiration rate, water use efficiency and apparent mesophyll conductance were improved in both of rice cultivars at heading stage as well as grain weight. In conclusion, foliar spray of SA and ABA enhanced plant growth, induced an increase in protective enzyme activities and reduced the oxidative damage of the hybrid rice cultivar but not of the conventional rice cultivar at seedling stage. Meanwhile, photosynthetic parameters and grain weight were slightly enhanced at reproductive stage. These results served as a theoretical basis and technical support for the chemical regulation and cultivation practices of rice. Key words: Abscisic acid, antioxidant enzyme activities, photosynthesis, salicylic acid, yield components.</description><identifier>ISSN: 0718-5839</identifier><identifier>ISSN: 0718-5820</identifier><identifier>EISSN: 0718-5839</identifier><identifier>DOI: 10.4067/S0718-58392022000100021</identifier><language>eng</language><publisher>Chillán: Instituto de Investigaciones Agropecuarias</publisher><subject>Abscisic acid ; Agricultural chemicals ; Agricultural production ; AGRICULTURE, MULTIDISCIPLINARY ; AGRONOMY ; Antioxidants ; Biomass ; Changing environments ; Chlorophyll ; Conductance ; Crop yield ; Cultivars ; Enzymatic activity ; Enzymes ; Ethanol ; Fertilizers ; Grain ; Growth ; Growth regulators ; Malondialdehyde ; Mesophyll ; Morphology ; Oxidative stress ; Phenols ; Photosynthesis ; Physical characteristics ; Physiological aspects ; Physiological effects ; Physiology ; Plant growth ; Regulation ; Rice ; Salicylic acid ; Seedlings ; Seeds ; Stomata ; Stomatal conductance ; Technical services ; Transpiration ; Water use ; Water use efficiency</subject><ispartof>Chilean journal of agricultural research, 2022-01, Vol.82 (1), p.21-32</ispartof><rights>COPYRIGHT 2022 Instituto de Investigaciones Agropecuarias</rights><rights>2022. This work is published under https://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c494t-3d81c6be9d4749418cfb87400c3877dd2991e0fd6960e2d31f506e742958507f3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,27923,27924</link.rule.ids></links><search><creatorcontrib>Chen, Guanjie</creatorcontrib><creatorcontrib>Zheng, Dianfeng</creatorcontrib><creatorcontrib>Feng, Naijie</creatorcontrib><creatorcontrib>Zhou, Hang</creatorcontrib><creatorcontrib>Mu, Dewei</creatorcontrib><creatorcontrib>Liu, Ling</creatorcontrib><creatorcontrib>Zhao, Liming</creatorcontrib><creatorcontrib>Shen, Xuefeng</creatorcontrib><creatorcontrib>Rao, Gangshun</creatorcontrib><creatorcontrib>Li, Tianzi</creatorcontrib><title>Effects of exogenous salicylic acid and abscisic acid on growth, photosynthesis and antioxidant system of rice</title><title>Chilean journal of agricultural research</title><addtitle>Chil. j. agric. res</addtitle><description>The key function of plant growth regulators is to adjust the growth and development of plants to adapt to the changing environment, which plays a vital role in the growth and yield of crops. This study was aimed to evaluate the ability of foliar application of salicylic acid (SA) and abscisic acid (ABA) to regulate rice (Oryza sativa L.) growth quality at seedling stage and reproductive stage. The two rice cultivars Wanshengyoutianhong-4 (W4) and Huanghuazhan (HZ) were sprayed foliar with SA (100 mg [L.sup.-1]) and ABA (4 mg [L.sup.-1]) at two-leaf stage, and their effects on morphological growth, physiological characteristics, malondialdehyde (MDA), osmotic substances, protective enzyme activities, photosynthesis and yield components were studied. Results indicated that SA and ABA significantly increased morphological growth, osmotic substances, antioxidant enzyme activities; MDA content dropped significantly (p < 0.05) in W4. While the two regulators inhibited morphological growth and physiological characteristics in HZ. Additionally, net photosynthesis, stomatal conductance, transpiration rate, water use efficiency and apparent mesophyll conductance were improved in both of rice cultivars at heading stage as well as grain weight. In conclusion, foliar spray of SA and ABA enhanced plant growth, induced an increase in protective enzyme activities and reduced the oxidative damage of the hybrid rice cultivar but not of the conventional rice cultivar at seedling stage. Meanwhile, photosynthetic parameters and grain weight were slightly enhanced at reproductive stage. These results served as a theoretical basis and technical support for the chemical regulation and cultivation practices of rice. Key words: Abscisic acid, antioxidant enzyme activities, photosynthesis, salicylic acid, yield components.</description><subject>Abscisic acid</subject><subject>Agricultural chemicals</subject><subject>Agricultural production</subject><subject>AGRICULTURE, MULTIDISCIPLINARY</subject><subject>AGRONOMY</subject><subject>Antioxidants</subject><subject>Biomass</subject><subject>Changing environments</subject><subject>Chlorophyll</subject><subject>Conductance</subject><subject>Crop yield</subject><subject>Cultivars</subject><subject>Enzymatic activity</subject><subject>Enzymes</subject><subject>Ethanol</subject><subject>Fertilizers</subject><subject>Grain</subject><subject>Growth</subject><subject>Growth regulators</subject><subject>Malondialdehyde</subject><subject>Mesophyll</subject><subject>Morphology</subject><subject>Oxidative stress</subject><subject>Phenols</subject><subject>Photosynthesis</subject><subject>Physical characteristics</subject><subject>Physiological aspects</subject><subject>Physiological effects</subject><subject>Physiology</subject><subject>Plant growth</subject><subject>Regulation</subject><subject>Rice</subject><subject>Salicylic acid</subject><subject>Seedlings</subject><subject>Seeds</subject><subject>Stomata</subject><subject>Stomatal conductance</subject><subject>Technical services</subject><subject>Transpiration</subject><subject>Water use</subject><subject>Water use 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stress</topic><topic>Phenols</topic><topic>Photosynthesis</topic><topic>Physical characteristics</topic><topic>Physiological aspects</topic><topic>Physiological effects</topic><topic>Physiology</topic><topic>Plant growth</topic><topic>Regulation</topic><topic>Rice</topic><topic>Salicylic acid</topic><topic>Seedlings</topic><topic>Seeds</topic><topic>Stomata</topic><topic>Stomatal conductance</topic><topic>Technical services</topic><topic>Transpiration</topic><topic>Water use</topic><topic>Water use efficiency</topic><toplevel>online_resources</toplevel><creatorcontrib>Chen, Guanjie</creatorcontrib><creatorcontrib>Zheng, Dianfeng</creatorcontrib><creatorcontrib>Feng, Naijie</creatorcontrib><creatorcontrib>Zhou, Hang</creatorcontrib><creatorcontrib>Mu, Dewei</creatorcontrib><creatorcontrib>Liu, Ling</creatorcontrib><creatorcontrib>Zhao, Liming</creatorcontrib><creatorcontrib>Shen, Xuefeng</creatorcontrib><creatorcontrib>Rao, Gangshun</creatorcontrib><creatorcontrib>Li, 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Edition</collection><collection>ProQuest Central Basic</collection><collection>SciELO</collection><jtitle>Chilean journal of agricultural research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chen, Guanjie</au><au>Zheng, Dianfeng</au><au>Feng, Naijie</au><au>Zhou, Hang</au><au>Mu, Dewei</au><au>Liu, Ling</au><au>Zhao, Liming</au><au>Shen, Xuefeng</au><au>Rao, Gangshun</au><au>Li, Tianzi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of exogenous salicylic acid and abscisic acid on growth, photosynthesis and antioxidant system of rice</atitle><jtitle>Chilean journal of agricultural research</jtitle><addtitle>Chil. j. agric. res</addtitle><date>2022-01-01</date><risdate>2022</risdate><volume>82</volume><issue>1</issue><spage>21</spage><epage>32</epage><pages>21-32</pages><issn>0718-5839</issn><issn>0718-5820</issn><eissn>0718-5839</eissn><abstract>The key function of plant growth regulators is to adjust the growth and development of plants to adapt to the changing environment, which plays a vital role in the growth and yield of crops. This study was aimed to evaluate the ability of foliar application of salicylic acid (SA) and abscisic acid (ABA) to regulate rice (Oryza sativa L.) growth quality at seedling stage and reproductive stage. The two rice cultivars Wanshengyoutianhong-4 (W4) and Huanghuazhan (HZ) were sprayed foliar with SA (100 mg [L.sup.-1]) and ABA (4 mg [L.sup.-1]) at two-leaf stage, and their effects on morphological growth, physiological characteristics, malondialdehyde (MDA), osmotic substances, protective enzyme activities, photosynthesis and yield components were studied. Results indicated that SA and ABA significantly increased morphological growth, osmotic substances, antioxidant enzyme activities; MDA content dropped significantly (p < 0.05) in W4. While the two regulators inhibited morphological growth and physiological characteristics in HZ. Additionally, net photosynthesis, stomatal conductance, transpiration rate, water use efficiency and apparent mesophyll conductance were improved in both of rice cultivars at heading stage as well as grain weight. In conclusion, foliar spray of SA and ABA enhanced plant growth, induced an increase in protective enzyme activities and reduced the oxidative damage of the hybrid rice cultivar but not of the conventional rice cultivar at seedling stage. Meanwhile, photosynthetic parameters and grain weight were slightly enhanced at reproductive stage. These results served as a theoretical basis and technical support for the chemical regulation and cultivation practices of rice. Key words: Abscisic acid, antioxidant enzyme activities, photosynthesis, salicylic acid, yield components.</abstract><cop>Chillán</cop><pub>Instituto de Investigaciones Agropecuarias</pub><doi>10.4067/S0718-58392022000100021</doi><tpages>12</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Abscisic acid Agricultural chemicals Agricultural production AGRICULTURE, MULTIDISCIPLINARY AGRONOMY Antioxidants Biomass Changing environments Chlorophyll Conductance Crop yield Cultivars Enzymatic activity Enzymes Ethanol Fertilizers Grain Growth Growth regulators Malondialdehyde Mesophyll Morphology Oxidative stress Phenols Photosynthesis Physical characteristics Physiological aspects Physiological effects Physiology Plant growth Regulation Rice Salicylic acid Seedlings Seeds Stomata Stomatal conductance Technical services Transpiration Water use Water use efficiency |
| title | Effects of exogenous salicylic acid and abscisic acid on growth, photosynthesis and antioxidant system of rice |
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