Induction of resistance to diseases in plant by aerial ultrasound irradiation

被引：4

作者：

Kawakami, Aichi ^{[1
,2
]}

Yoshida, Takanobu ^{[3
]}

Kanemaru, Yutaro ^{[2
]}

Zaquinaula, Medali Heidi Huarhua ^{[4
]}

MizuKami, Tomomichi ^{[3
]}

Arimoto, Michiko ^{[5
]}

Shibata, Takahiro ^{[5
]}

Goto, Akihiro ^{[6
]}

Enami, Yoshinari ^{[5
]}

Amano, Hiroshi ^{[6
]}

Teraoka, Tohru ^{[2
]}

Komatsu, Ken ^{[1
,2
,7
]}

Arie, Tsutomu ^{[1
,2
,7
]}

机构：

[1] TUAT, United Grad Sch Agr Sci, Fuchu, Tokyo 1838509, Japan

[2] TUAT, Grad Sch Agr, Lab Plant Pathol, Fuchu, Tokyo 1838509, Japan

[3] Inst Agr Machinery NARO, Saitama 3318537, Japan

[4] Natl Agrarian Univ, La Molina UNALM, Fac Agr, La Molina, Peru

[5] Shiga Prefecture Agr Technol Promot Ctr, Omihachiman 5211301, Japan

[6] PRE TECH Co Ltd, Fuchu, Tokyo 1830055, Japan

[7] TUAT, Inst Global Innovat Res GIR, Fuchu, Tokyo 1838509, Japan

来源：

JOURNAL OF PESTICIDE SCIENCE | 2019年 / 44卷 / 1-2期

关键词：

ultrasound; physical control; SA signaling pathway; soilborne fusarium disease; blast; powdery mildew; VALIDAMYCIN-A; IMMUNITY; DEFENSE; AGENT;

D O I：

10.1584/jpestics.D18-064

中图分类号：

Q96 [昆虫学];

学科分类号：

摘要：

Ultrasound, which refers to frequencies above the audible limit of human hearing, is a candidate for inducing resistance to pathogens in plants. We revealed that aerial ultrasound of 40.5 kHz could induce disease resistance in tomatoes and rice when the plants were irradiated with ultrasound of ca. 100 dB for 2 weeks during nursery season and reduced the incidence of Fusarium wilt and blast diseases, respectively, when plants were inoculated with pathogen 0 or 1 week after terminating irradiation. Disease control efficacy was also observed with ultrasound at frequencies of 19.8 and 28.9 kHz. However, cabbage yellows and powdery mildew on lettuce were not suppressed by ultrasound irradiation. No significant positive or negative effect on growth was observed in tomato and rice plants. RT-qPCR showed that the expression of PRla involved in the salicylic acid (SA) signaling pathway was upregulated in the ultrasound-irradiated tomato. (C) Pesticide Science Society of Japan

引用

页码：41 / 47

页数：7

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