根施酚类物质对东北山樱幼苗呼吸代谢的影响

园艺学报 ›› 2009, Vol. 36 ›› Issue (10): 1417-1424.

根施酚类物质对东北山樱幼苗呼吸代谢的影响

李志霞¹;秦嗣军^1,2;高鹤¹;吕德国^1,2*; 马怀宇^1,2

(¹沈阳农业大学园艺学院, 沈阳110161; ² 北方果树育种与生理生态研究所, 沈阳110161)

收稿日期:2009-06-08 修回日期:2009-08-20 出版日期:2009-10-25 发布日期:2009-10-25
通讯作者: 吕德国

Effects of Adding Phenolic Compounds on Respiratary Metabolisms ofCerasus sachalinensis Kom. Seedling

LI Zhi-xia¹;QIN Si-jun^1,2;GAO He¹;Lü De-guo^1,2*;MA Huai-yu^1,2

(¹College of Horticulture, Shenyang Agricultural University, Shenyang 110161, China; ² Research Laboratory for Breeding and Physiology-ecology of Northern Fruit Tree, Shenyang 110161, China)

Received:2009-06-08 Revised:2009-08-20 Online:2009-10-25 Published:2009-10-25
Contact: Lü De-guo1

摘要/Abstract

摘要： 以东北山樱(Cerasus sachalinensis Kom. ) 幼苗为试验材料, 研究了根部施入酚类物质对其叶片和根系呼吸代谢的影响。试验结果表明, 对羟基苯甲酸对东北山樱幼苗叶片和根系呼吸速率的影响均表现为低浓度促进高浓度抑制的趋势, 香豆素处理没有出现明显的低促高抑的变化趋势, 幼苗对对羟基苯甲酸的反应比香豆素更为敏感。对羟基苯甲酸处理改变了幼苗叶片的基础呼吸途径, 而呼吸链电子传递途径的改变由酚类物质的浓度大小决定, 高浓度处理使CP向AP转化。幼苗根系呼吸途径改变与否与酚类物质的种类有关, 对羟基苯甲酸和混合处理改变了幼苗根系的基础呼吸途径和呼吸链电子传递途径, 使EMP-TCA向PPP转化, CP向AP转化, 香豆素则不影响其改变的方向。

关键词: 樱桃, 东北山樱, 酚类物质, 呼吸速率, 呼吸途径

Abstract: The effects of phenolic compounds added to the roots on leaf and root resp iratarymetabolisms were studied using Cerasus sachalinensis Kom. seedlings asmaterials. The results showed that the effects of p-ydroxybenzoic acid on leaf and root resp iratory rates were increased under lower concentration and inhibited under higher concentration. However, treatments with coumarin were not the similar trend. The seedlings seemed more sensitive to p-hydroxybenzoic acid than coumarin. The leaf biochemical resp iratory pathways were changed by p-hydroxybenzoic acid, and the resp iratory electron transport chain pathwayswere changed by high concentrations of phenolic compoundswhich turned CP into AP. Moreover, root respiratory pathwayswere
with relation to the types of phenolic compounds. Root biochemical resp iratory pathways and resp iratory electron transport chain pathways could be changed by p-hydroxybenzoic acid and the mixed solution which turned
EMP-TCA into PPP and CP into AP, but except for the coumarin.

Key words: cherry, Cerasus sachalinensis Kom., phenolic compound, respiratoryrate, resp iratory pathway

中图分类号:

李志霞;秦嗣军;高鹤;吕德国;马怀宇;. 根施酚类物质对东北山樱幼苗呼吸代谢的影响[J]. 园艺学报, 2009, 36(10): 1417-1424.

LI Zhi-xia;QIN Si-jun;GAO He;Lü De-guo;MA Huai-yu;. Effects of Adding Phenolic Compounds on Respiratary Metabolisms ofCerasus sachalinensis Kom. Seedling[J]. ACTA HORTICULTURAE SINICA, 2009, 36(10): 1417-1424.

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