Inactivation of the Tomato Pathogen Cladosporium fulvum by an Atmospheric-Pressure Cold Plasma Jet

被引：50

作者：

Lu, Qianqian ^{[1
]}

Liu, Dongping ^{[1
,2
]}

Song, Ying ^{[1
]}

Zhou, Renwu ^{[2
]}

Niu, Jinhai ^{[1
]}

机构：

[1] Dalian Nationalities Univ, Sch Phys & Mat Engn, Liaoning Key Lab Optoelect Films & Mat, Dalian 116600, Peoples R China

[2] Xiamen Univ, Sch Phys & Mech & Elect Engn, Fujian Prov Key Lab Plasma & Magnet Resonance, Xiamen, Fujian, Peoples R China

来源：

PLASMA PROCESSES AND POLYMERS | 2014年 / 11卷 / 11期

关键词：

atmospheric-pressure plasma jets (APPJ); Ar/O-2; plasmas; Cladosporium fulvum; inactivation rates; plasma inactivation; PLANT-DISEASE;

D O I：

10.1002/ppap.201400070

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Plant diseases resulting from plant pathogens are profoundly affecting crops worldwide. In this study, the tomato pathogen Cladosporium fulvum (C. fulvum) have been inactivated by using the atmospheric-pressure plasma jet (APPJ). The results show that the inactivation efficiencies of C. fulvum are dependent on the plasma density and treatment time. The APPJ with a relatively high plasma density can completely kill the resistant C. fulvum within the treatment time of 60 s. Due to plasma generating electrostatic force, the outer membrane of C. fulvum is disrupted and the cytoplasm is released to the surrounding medium. Both protein and DNA molecules can be destroyed during the plasma inactivation. Meanwhile, the APPJ can also provide a novel approach to decrease the rotting rates of C. fulvum-infected tomato seeds.

引用

页码：1028 / 1036

页数：9

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