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当前位置: 首页 > 文章 > 短小芽孢杆菌EN16诱导番茄对细菌性青枯病的抗性 福建农林大学学报(自然科学版) 2009,38 (5) 460-464
Position: Home > Articles > Induced resistance to bacterial wilt of tomato by Bacillus pumilus strain EN16 Journal of Fujian Agriculture and Forestry University(Natural Science Edition) 2009,38 (5) 460-464

短小芽孢杆菌EN16诱导番茄对细菌性青枯病的抗性

作  者：
连玲丽;谢荔岩;郑璐平;林奇英
单  位：
福建农林大学植物病毒研究所
关键词：
短小芽孢杆菌;防御酶;细菌性青枯病;诱导抗性
摘  要：
采用盆栽试验法研究了短小芽孢杆菌EN16对番茄青枯病的诱导抗病效应.结果表明,菌株EN16诱导番茄产生对青枯病的防病效果达到49.45%-68.89%;分别在挑战接种间隔期为7-10 d、菌株灌根接种2种处理条件下,菌株EN16表现出较好的诱导抗病效果.测定EN16处理对番茄叶片中几种防御酶的影响,结果显示,在病菌挑战接种前后菌株EN16处理均能引起过氧化物酶(POD)、多酚氧化酶(PPO)和苯丙氨酸解氨酶(PAL)等防御酶活性的显著增强.
译  名：
Induced resistance to bacterial wilt of tomato by Bacillus pumilus strain EN16
作  者：
LIAN Ling-li1,2,XIE Li-yan1,3,ZHENG Lu-ping1,3,LIN Qi-ying1,3(1.Institute of Plant Virology,Fujian Agriculture and Forestry University;2.College of Life Science,Fujian Agriculture and Forestory University;3.Key Laboratory for Biopesticide and Chemical Biology,Ministry of Education,Fuzhou,Fujian 350002,China)
关键词：
Bacillus pumilus;defense enzymes;bacterial wilt;induced resistance
摘  要：
The induced resistance of Bacillus pumilus strain EN16 to tomato bacterial wilt was studied by using the potted method in greenhouse.Results showed that strain EN16 protected tomato against wilt disease with the effect of 49.45%-68.89%;and higher efficiency was obtained with an interval of seven to ten days between EN16 induction and challenge inoculation or by means of pouring-root induction.Further studies were carried out to evaluate the effect of EN16 on the activity of defense enzymes in leaves of tomato,the result indicated that the activities of PAL,PPO and POD enzyme in the plants treated with EN16 were significantly increased before and after the challenge inoculation.

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