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当前位置: 首页 > 文章 > 肉桂酸和香草醛对嫁接茄子根系生长及生理特性的影响 应用生态学报 2010,21 (6) 1446-1452
Position: Home > Articles > Effects of cinnamic acid and vanillin on grafted eggplant root growth and physiological characteristics Chinese Journal of Applied Ecology 2010,21 (6) 1446-1452

肉桂酸和香草醛对嫁接茄子根系生长及生理特性的影响

作  者：
陈绍莉;周宝利;蔺姗姗;李夏;叶雪凌
单  位：
沈阳农业大学园艺学院
关键词：
肉桂酸;香草醛;嫁接茄子;根系生长;抗氧化酶;渗透调节物质
摘  要：
以"托鲁巴姆"茄子为砧木,"西安绿"茄子为接穗,采用盆栽试验研究了自毒物质肉桂酸和香草醛对嫁接、自根和砧木茄子根系生长及抗氧化酶活性、渗透调节物质含量的影响.结果表明:肉桂酸、香草醛对茄子根系生长及生理代谢的化感作用基本表现为"低促高抑",两物质对自根茄子根系表现促进、抑制效应的临界浓度点分别为0.1和0.5mmol.kg-1;对嫁接、砧木茄子表现促进、抑制效应的临界浓度点分别为0.5和1mmol.kg-1.茄子根系对自毒物质耐性大小依次为:砧木茄>嫁接茄>自根茄;在较高浓度肉桂酸(0.5～4mmol.kg-1)和香草醛(1～4mmol.kg-1)作用下,与自根茄子相比,嫁接茄子根系SOD活性提高了8.50%～24.50%,脯氨酸含量增加了9.39%～27.64%,可溶性糖含量增加了12.77%～81.81%,可溶性蛋白含量、根系鲜、干物质量和根系活力显著高于自根茄.表明嫁接换根使茄子根系具有了砧木抗自毒物质的特性,缓解了自毒物质给茄子根系生长带来的不良影响.
译  名：
Effects of cinnamic acid and vanillin on grafted eggplant root growth and physiological characteristics
作  者：
CHEN Shao-li,ZHOU Bao-li,LIN Shan-shan,LI Xia,YE Xue-ling(College of Horticulture,Shenyang Agricultural University,Shenyang 110161,China)
关键词：
cinnamic acid; vanillin; grafted eggplant; root growth; antioxidase; osmoregulation substance.
摘  要：
Choosing Solanum torvum as rootstock and cultivated Xi'anl eggplant as scion,a pot culture experiment was conducted to study the effects of autotoxic substances (cinnamic acid and vanillin) on the root growth,antioxidase activity,and osmoregulation substances content of grafted eggplant,own-rooted eggplant,and rootstock eggplant. Cinnamic acid and vanillin had allelopathic effects on the root system of test eggplants,with low concentration promoting and higher concentration inhibiting the root growth and physiological metabolism. For own-rooted eggplant,the critical concentration of cinnamic acid and vanillin for promotion or inhibition was 0.1 mmol·kg-1 and 0.5 mmol·kg-1,respectively; whereas for grafted and rootstock eggplants,it was 0.5 mmol·kg-1 and 1 mmol·kg-1,respectively. The root resistance to autotoxic substances was in the order of rootstock eggplant > grafted eggplant > own-rooted eggplant. Higher concentration cinamic acid (0.5-4 mmol·kg-1) and vanillin (1-4 mmol·kg-1) enhanced the SOD enzyme activity and the proline and soluble sugar contents of grafted eggplant root by 8.50%-24.50%,9.39%-27.64%,and 12.77%-81.81%,respectively,compared with own-rooted eggplant. The soluble protein content,fresh mass,dry mass,and root activity of grafted eggplant roots were significantly higher than those of own-rooted eggplant,suggesting that grafted eggplant had a strong resistance of rootstocks to autotoxic substances,which alleviated the negative effect of autotoxic substances on root growth.

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