首页 > 过刊浏览>2013年第21卷第6期 >521-528. DOI:10.3969/j.issn.1005-3395.2013.06.005
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桉树枝瘿姬小蜂危害对桉树次生代谢产物含量的影响
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广州市园林科学研究所,中国林业科学研究院热带林业研究所,中国林业科学研究院热带林业研究所,中国林业科学研究院热带林业研究所,中国林业科学研究院热带林业研究所,中国林业科学研究院热带林业研究所

基金项目:

国家科技支撑计划项目(2012BAD01B0401);中央级公益性科研院所基本科研业务费专项资金项目(RITFYWZX200904);广东省林业科技创新专项资金项目(2009KJCX004-02);广州市林业和园林局科研项目(《 木本花卉繁育技术研究》 )资助


Effects on Secondary Metabolite Contents in Eucalyptus Strains Damaged by Leptocybe invasa
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Guangzhou Institute of Landscaping Gardening,Research Inctitute of Tropical Forestry Chinese Academy of Forestry,Guangzhou,Research Inctitute of Tropical Forestry Chinese Academy of Forestry,Guangzhou,Research Inctitute of Tropical Forestry Chinese Academy of Forestry,Guangzhou,Research Inctitute of Tropical Forestry Chinese Academy of Forestry,Guangzhou,Research Inctitute of Tropical Forestry Chinese Academy of Forestry,Guangzhou

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    摘要:

    为探讨遭受桉树枝瘿姬小蜂(Leptocybe invasa Fisher & La Salle)危害后桉树(Eucalyptus sp.)的次生代谢产物的变化,对24个桉树品系受危害前后的次生物质单宁和类黄酮含量的变化进行了研究。结果表明,桉树品系遭受枝瘿姬小蜂危害后,叶片内的类黄酮含量明显上升,高感品系的类黄酮含量明显低于其他抗性类型的品系。受虫害前高抗品系桉树叶片中的单宁含量明显高于高感品系,但进入小蜂危害期,叶片单宁含量出现先下降后升高的趋势。次生物质的动态变化在不同抗性品系间差异显著,表明桉树叶片的单宁和类黄酮含量与抗枝瘿姬小蜂有显著关系,可作为检测桉树对枝瘿姬小蜂抗性的指标。

    Abstract:

    In order to understand the changes in secondary metabolite of Eucalyptus demaged by Leptocybe invasa, the contents of flavonoid and tannin in 24 strains of Eucalyptus invasived by L. invasa were studied. The results showed that flavonoid content in Eucalyptus leaves increased significantly after damaged by L. invasa, and the flavonoid content in high sensitive strains was significantly lower than that in other strains. The tannin content in high-resistant strains was significantly higher than that in high-sensitive strains before damaged by L. invasa. The tannin content in high-resistant strains declined at first, and then increased after infected by L. invasa. Therefore, tannin and flavonoid contents in Eucalyptus leaves could be used as indexes to detect whether Eucalyptus damaged by Leptocybe invasa or not.

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王伟,徐建民,李光友,韩超,吴世军,陆钊华.桉树枝瘿姬小蜂危害对桉树次生代谢产物含量的影响[J].热带亚热带植物学报,2013,21(6):521~528

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  • 收稿日期:2013-03-15
  • 最后修改日期:2013-05-20
  • 录用日期:2013-07-02
  • 在线发布日期: 2013-11-17
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