Volume 25 Issue 6
Dec.  2008
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CAO Fu-liang, OU Zu-lan. Ginkgo biloba seedling tolerance to high-temperature stress using salicylic acid[J]. Journal of Zhejiang A&F University, 2008, 25(6): 756-759.
Citation: CAO Fu-liang, OU Zu-lan. Ginkgo biloba seedling tolerance to high-temperature stress using salicylic acid[J]. Journal of Zhejiang A&F University, 2008, 25(6): 756-759.

Ginkgo biloba seedling tolerance to high-temperature stress using salicylic acid

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  • Corresponding author: CAO Fu-liang
  • Publish Date: 2008-12-20
通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Ginkgo biloba seedling tolerance to high-temperature stress using salicylic acid

    Corresponding author: CAO Fu-liang

Abstract: To determine tolerance,Ginkgo biloba seedlings were sprayed with salicylic acid (SA) and then subjected to high-temperature stress. Electrical conductivity,malondialdehyde(MDA) content,superoxide dismutase(SOD) activity,ascorbic acid(ASA) and soluble proteins and carbohydrates were determined. The 2 year-old seedlings were sprayed by SA at 0(the control),100 or 200 μmol·L-1 for 4 times (twice for one day) in July of 2007. Results showed that:SA at 100 μmol·L-1 increased SOD activity and ASA content,significantly(P<0.05)more efficient than the control and 200 μmol·L-1;SA at 100 and 200 μmol·L-1 restrained(P<0.05) the increase of electrical conductivity,significantly(P<0.05) lower than the control. In addition,compared with the control,treated seedling leaves showed higher(P<0.05) soluble protein content and lower(P<0.05) soluble carbohydrates content. All of these results indicated that pretreatment with SA could increase the tolerance of G. biloba seedlings to high-temperature stress.[Ch,3 fig. 21 ref.]

CAO Fu-liang, OU Zu-lan. Ginkgo biloba seedling tolerance to high-temperature stress using salicylic acid[J]. Journal of Zhejiang A&F University, 2008, 25(6): 756-759.
Citation: CAO Fu-liang, OU Zu-lan. Ginkgo biloba seedling tolerance to high-temperature stress using salicylic acid[J]. Journal of Zhejiang A&F University, 2008, 25(6): 756-759.

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