[1]魏清华. 水杨酸处理木槿种子后幼苗的抗逆生理效应研究[J].西北林学院学报,2016,31(1):71-75.[doi:10.3969/j.issn.1001-7461.2016.01.13]
　WEI Qing-hua. Physiological Characteristics of Anti-adversity of Hibiscus syriacus Seedlings from Salicylic Acid Treated Seeds[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2016,31(1):71-75.[doi:10.3969/j.issn.1001-7461.2016.01.13]
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 水杨酸处理木槿种子后幼苗的抗逆生理效应研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第31卷
期数:
2016年第1期
页码:
71-75
栏目:
出版日期:
2016-01-31

文章信息/Info

Title:
 Physiological Characteristics of Anti-adversity of Hibiscus syriacus Seedlings from Salicylic Acid Treated Seeds
文章编号:
1001-7461(2016)01-0071-05
作者:
 魏清华
 （山西省林业调查规划院，山西 太原 030012）
Author(s):
 WEI Qing-hua
 (Shanxi Forestry Survey of Sarft,Taiyuan,Shanxi 030012,China)
关键词:
 ; 水杨酸; 木槿; 渗透物质; 电导率; MDA
Keywords:
 ; salicylic acid;  Hibiscus syriacus;  osmolyte;  conductivity;  MDA
分类号:
S722
DOI:
10.3969/j.issn.1001-7461.2016.01.13
文献标志码:
A
摘要:
 为在木槿育苗中合理应用水杨酸，以木槿当年生种子为试验材料，用0、30、60、120 mg·L-1和240 mg·L-15个水杨酸浓度，3、7、20℃ 3个温度进行处理，研究了幼苗叶片中3种生理活性物质的含量。结果表明：120 mg·L-1浓度处理可溶性蛋白在3、7、20℃时分别比对照提高了90.01%、86.50%、22.33%，3℃和7℃下差异显著；可溶性糖含量3℃、7℃下比对照提高22.61%、18.4%，3℃下差异显著；3个温度下游离脯氨酸含量分别升高73.24%、112.56%、40.10%，差异显著；MDA含量分别降低44.02%、50.28%、39.18%，差异显著；电导率分别比对照降低47.51%、32.21%、21.78%，其中3℃下与对照差异显著。综合分析认为，水杨酸浓度为120 mg·L-1时对提高木槿叶片内渗透物质含量和降低MDA含量以及电导率效果最佳。
Abstract:
 In order to reasonably apply salicylic acid (SA) in breeding Hibiscus syriacus seedlings,annually produced seeds were treated by 5 levels of SA:0 (control),30,60,120,and 240 mg·L-1,and cultured at 3,7,and 20℃.At seedling stage,3 physiologically active components in the leaves were measured.The results showed that the contents of soluble protein in 120 mg·L-1 treatment cultured at 3,7,and 20℃ were 90.01%,86.50%,and 22.33% higher than that of the control; soluble sugar contents at 3 and 7 ℃ were 22.61% and 18.4% higher than that of the control; free proline contents at 3,7 and 20 ℃ were 73.24%,112.56%,and 40.10% higher than that of the control; MDA contents at three temperatures were 44.02%,50.28%,and 39.18% lower than that of the control; electric conductivities at 3 temperatures were 47.51%,32.21%,and 21.78% lower than that of the control.It was concluded that 120 mg·L-1 was the optimal concentration to improve the contents of the material within the hibiscus leaf penetration and decrease MDA content and conductivity.

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备注/Memo

备注/Memo:
 收稿日期：2015-03-18修回日期：2015-06-10
基金项目：山西省科技厅科技支撑项目“山西树种引种选育及快繁研究”(20140312001-1)。
作者简介：魏清华，男，高级工程师，研究方向：林业调查与规划设计。E-mail:435736642@qq.com
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