Uncoupling the effects of abscisic acid on plant growth and water relations. Analysis of sto1/nced3, an abscisic acid-deficient but salt stress-tolerant mutant in Arabidopsis.

Abstract excerpt

We have identified a T-DNA insertion mutation of Arabidopsis (ecotype C24), named sto1 (salt tolerant), that results in enhanced germination on both ionic (NaCl) and nonionic (sorbitol) hyperosmotic media. sto1 plants were more tolerant in vitro than wild type to Na(+) and K(+) both for germination and subsequent growth but were hypersensitive to Li(+). Postgermination growth of the sto1 plants on sorbitol was...

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• Abscisic Acid
• Ethylenes
• Lithium Chloride
• Osmotic Pressure
• Plant Transpiration