丛枝菌根真菌对茄子黄萎病的防治效果和茄子植株生长的影响

生态学杂志

丛枝菌根真菌对茄子黄萎病的防治效果和茄子植株生长的影响

周宝利^**,郑继东,毕晓华,蔡莲莲,郭伟伟

(沈阳农业大学园艺学院，沈阳 110161)

出版日期:2015-04-10 发布日期:2015-04-10

Effects of mycorrhizal fungi on eggplant verticillium wilt and eggplant growth.

ZHOU Bao-li^**, ZHENG Ji-dong, BI Xiao-hua, CAI Lian-lian, GUO Wei-wei

(College of Horticulture, Shenyang Agricultural University, Shenyang 110161, China)

Online:2015-04-10 Published:2015-04-10

摘要/Abstract

摘要： 研究了接种丛枝菌根真菌(AMF)对茄子生长和对黄萎病的影响，并且探讨了AMF诱导植物抗病性的生理生化变化。结果表明：接种AMF能促进茄子的生长，明显降低茄子黄萎病的发病率和发病指数；与只接黄萎菌处理比较，在先接种AMF然后接种黄萎病原菌的情况下，可以降低茄子叶内脯氨酸含量和相对电导率，提高根系活力，提高过氧化物酶(POD)、多酚氧化酶(PPO)和苯丙氨酸解氨酶(PAL)的活性。试验显示，AMF对茄子黄萎病具有一定的生防效果。这种抗性可能来源于AMF提高了茄子营养水平，激活了植物抗病机制。

关键词: 栽培大麦, 分布特征, 青藏高原, β-葡聚糖

Abstract:

The effects of inoculating arbuscular mycorrhizae fungi (AMF) on the growth and verticillium wilt of eggplant were studied, with the possible mechanisms for induced disease resistance by AMF discussed. The results indicated that the AMF inoculation promoted the growth of eggplant plants. The disease incidence and disease severity index of eggplant plants inoculated by AMF were decreased significantly. In the combination of inoculation with AMF first and pathogen afterwards, the proline content and the relative electrical conductivity in eggplant leaf were lower, the root activity was higher, and POD, PPO and PAL activities were higher than those of inoculating pathogen alone. Our experiment confirmed that AMF had certain biocontrol effect on eggplant verticillium wilt. The resistance of plant against pathogen induced by AMF possibly resulted from improving plant nutritional status, thus activating the mechanism of plant disease resistance.

Key words: cultivated barley, distribution characteristics, Qinghai-Tibet Plateau, β-glucan

周宝利**,郑继东,毕晓华,蔡莲莲,郭伟伟. 丛枝菌根真菌对茄子黄萎病的防治效果和茄子植株生长的影响[J]. 生态学杂志.

ZHOU Bao-li**, ZHENG Ji-dong, BI Xiao-hua, CAI Lian-lian, GUO Wei-wei. Effects of mycorrhizal fungi on eggplant verticillium wilt and eggplant growth.[J]. cje.

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