数字农科院2.0

Effects of salicylic acid on seed germination and biochemical properties in seedlings of Lactuca sativa L. under high temperature stress

文献类型： 外文期刊

作者： Gu, J. T.;Kang, J.;Lian, J.;Zhang, X. C.;Zhang, T. T.;Zhang, J. F.

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关键词： salicylic acid;lettuce;heat stress;germination;malondialdehyde;superoxide dismutase

期刊名称： XXIX INTERNATIONAL HORTICULTURAL CONGRESS ON HORTICULTURE: SUSTAINING LIVES, LIVELIHOODS AND LANDSCAPES (IHC2014): INTERNATIONAL SYMPOSIUM ON HIGH VALUE VEGETABLES, ROOT AND TUBER CROPS, AND EDIBLE FUNGI PRODUCTION, SUPPLY AND DEMANDS

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收录情况： SCI

摘要： Effects of salicylic acid (SA) on seed germination and biochemical properties in seedlings of Lactuca sativa var. crispa L. ('Rapid') under high temperature stress were studied. Results showed that SA of appropriate concentrations (0.2 mmol-L~(-1)) significantly improved the germination rate, germination potential and seed vigor index when incubated under high temperature stress condition (35°C/30°C, day/night). SA enhanced the activities of POD, CAT and SOD and the contents of proline and soluble proteins, as well as reduced the MDA content. Both the seed germination properties and biochemical characteristics indicated that the treatments would be less effective when SA concentration was over 0.4 mmol L~(-1) or below 0.2 mmol L~(-1).

分类号： S6

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