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Effects of salt and alkali stresses on growth and ion balance in rice (Oryza sativa L.)

Plant, soil and environment, 2011-06, Vol.57 (6), p.286-294 [Peer Reviewed Journal]

ISSN: 1214-1178 ;EISSN: 1805-9368 ;DOI: 10.17221/36/2011-PSE

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Title:
Effects of salt and alkali stresses on growth and ion balance in rice (Oryza sativa L.)
Author: Wang, H.,Northeast Normal Univ., Changchun (China). Key Lab. of Molecular Epigenetics of MOE ; Wu, Z.,Jilin Agricultural Univ., Changchun (China). Dept. of Agronomy ; Chen, Y.,Northeast Normal Univ., Changchun (China). Key Lab. of Molecular Epigenetics of MOE ; Yang, C.,Northeast Normal Univ., Changchun (China). Key Lab. of Molecular Epigenetics of MOE ; Shi, D.,Northeast Normal Univ., Changchun (China). Key Lab. of Molecular Epigenetics of MOE
Subjects: ACETATE ; ACETATES ; ACETATOS ; ACID BASE EQUILIBRIUM ; ACIDE ORGANIQUE ; ACIDOS ORGANICOS ; ADAPTACION ; ADAPTATION ; ALCALINIDAD ; ALCALINITE ; ALKALINE SOILS ; ALKALINITY ; ANION ; ANIONES ; ANIONS ; ARROZ ; BROTES ; change balance ; CHLORE ; CHLORINE ; CHLORURE DE SODIUM ; CITRATE ; CITRATES ; CITRATOS ; CLORO ; CLORURO SODICO ; CRECIMIENTO ; CROISSANCE ; ECHANGE D'ION ; EQUILIBRE ACIDOBASIQUE ; EQUILIBRIO ACIDO - BASE ; ESTRES OSMOTICO ; FOSFATOS ; GROWTH ; http://www.fao.org/aos/agrovoc#c_117 ; http://www.fao.org/aos/agrovoc#c_14261 ; http://www.fao.org/aos/agrovoc#c_1568 ; http://www.fao.org/aos/agrovoc#c_16162 ; http://www.fao.org/aos/agrovoc#c_16163 ; http://www.fao.org/aos/agrovoc#c_1630 ; http://www.fao.org/aos/agrovoc#c_24078 ; http://www.fao.org/aos/agrovoc#c_268 ; http://www.fao.org/aos/agrovoc#c_3394 ; http://www.fao.org/aos/agrovoc#c_34901 ; http://www.fao.org/aos/agrovoc#c_35317 ; http://www.fao.org/aos/agrovoc#c_35750 ; http://www.fao.org/aos/agrovoc#c_35986 ; http://www.fao.org/aos/agrovoc#c_3933 ; http://www.fao.org/aos/agrovoc#c_4139 ; http://www.fao.org/aos/agrovoc#c_4531 ; http://www.fao.org/aos/agrovoc#c_5187 ; http://www.fao.org/aos/agrovoc#c_5383 ; http://www.fao.org/aos/agrovoc#c_5438 ; http://www.fao.org/aos/agrovoc#c_5467 ; http://www.fao.org/aos/agrovoc#c_6139 ; http://www.fao.org/aos/agrovoc#c_6520 ; http://www.fao.org/aos/agrovoc#c_6599 ; http://www.fao.org/aos/agrovoc#c_6651 ; http://www.fao.org/aos/agrovoc#c_6945 ; http://www.fao.org/aos/agrovoc#c_7145 ; http://www.fao.org/aos/agrovoc#c_7146 ; http://www.fao.org/aos/agrovoc#c_7510 ; http://www.fao.org/aos/agrovoc#c_79 ; http://www.fao.org/aos/agrovoc#c_87 ; http://www.fao.org/aos/agrovoc#c_8721 ; inorganic ion ; INTERCAMBIO IONICO ; ION ; ion accumulation ; ION EXCHANGE ; IONES ; IONS ; LACTATE ; LACTATES ; LACTATOS ; MALATE ; MALATES ; MALATOS ; NITRATE ; NITRATES ; NITRATOS ; organic acid ; ORGANIC ACIDS ; ORYZA SATIVA ; osmotic regulation ; OSMOTIC STRESS ; OXALATE ; OXALATES ; OXALATOS ; PH DEL SUELO ; PH DU SOL ; PHOSPHATE ; PHOSPHATES ; PLANTULAS ; PLANTULE ; POTASIO ; POTASSIUM ; POUSSE ; RACINE ; RAICES ; RESISTANCE AUX FACTEURS NUISIBLES ; RESISTANCE TO INJURIOUS FACTORS ; RESISTENCIA A AGENTES DANINOS ; RICE ; RIZ ; ROOTS ; SALINIDAD DEL SUELO ; SALINITE DU SOL ; SALT TOLERANCE ; SEEDLINGS ; SHOOTS ; SODIO ; SODIUM ; SODIUM CHLORIDE ; SOIL PH ; SOIL SALINITY ; SOL ALCALIN ; STRESS OSMOTIQUE ; SUELO ALCALINO ; SULFATE ; SULFATOS ; SULPHATES ; TOLERANCE AU SEL ; TOLERANCIA A LA SAL
Is Part Of: Plant, soil and environment, 2011-06, Vol.57 (6), p.286-294
Description: Growth, organic acids (OAs) and inorganic ions concentrations were measured in rice seedlings stressed with salt stress or alkali stress to investigate the physiological adaptive mechanism by which rice tolerates alkali stress. The results showed that the injury effect of alkali stress on rice was stronger than salt stress. Under salt stress, inorganic anions were dominant in maintaining intracellular ionic equilibrium; however, under alkali stress, the levels of inorganic anions decreased, which caused a severe deficit of negative charge. The deficit of negative charge was remedied by greatly accumulated OAs, especially malate and citrate. OAs were the dominant components and contributed to 61-81% of total negative charge, indicating that OA accumulation might be necessary for intracellular ion balance in rice. In addition, the OA metabolism adjustment of rice differed from that of other plant species, implying that rice may have a special alkali-tolerance mechanism.
Publisher: Czech Academy of Agricultural Sciences
Language: English
Identifier: ISSN: 1214-1178
EISSN: 1805-9368
DOI: 10.17221/36/2011-PSE
Source: DOAJ Directory of Open Access Journals

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Effects of salt and alkali stresses on growth and ion balance in rice (Oryza sativa L.)

ISSN: 1214-1178 ;EISSN: 1805-9368 ;DOI: 10.17221/36/2011-PSE

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