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油菜素内酯对湿地松幼苗抗逆性的影响(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
1993年03期
Page:
27-31
Column:
研究论文
publishdate:
1900-01-01

Article Info:/Info

Title:
EFFECTS OF BRASSINOLIDE (BR) ON THE STRESS RESISTANCE IN PINUS ELLIOTTH ENGELM. SEEDLINGS
Article ID:
1000-2006(1993)03-0027-05
Author(s):
Wang Anlin Wang Yongyin
Department of Forestry
Keywords:
BR Pinus Elliottii Engelm. Stress resistance
Classification number :
-
DOI:
10.3969/j.jssn.1000-2006.1993.03.007
Document Code:
A
Abstract:
Brassinolide (BR) pretreatment significantly promoted the increase of superoxide dismutase (SOD) activity, as well as the chlorophyll and protein contents, the decrease of malondialdehyde (MDA) content and the electrolyte leakage in seedlings of Pinus elliottii Engelm. treated with drought, low temperature (4-5°C, 12°C), salt(0. 4% NaCl), and acid (H2SO pH 3) stress, respectively. There was an obvious inverse correlation between SOD activity and MDA content. The suitable concentration of BR was 0. 5 or 1 ppm. The experimental results showed that BR could enhance the stress resistance of the seedlings.

References

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Last Update: 1900-01-01