NDLI: Duality of acibenzolar-S-methyl in the inhibition of pathogen growth and induction of resistance during the interaction tomato/vertcillium dahliae

Content Provider	Springer Nature Link
Author	Zine, Hanane Rifai, Lalla Aicha Faize, Mohamed Smaili, Amal Makroum, Kacem Belfaiza, Malika Kabil, El Mustapha Koussa, Tayeb
Copyright Year	2015
Abstract	The plant defense activator, acibenzolar-S-methyl (ASM) was tested for its ability to protect tomato seedlings against verticillium wilt caused by Verticillium dahliae. ASM exhibited in vitro an antifungal activity in dose-dependent manner against three strains of the pathogen with the less virulent strain SH being the most inhibited. This inhibition of mycelial growth reached 75 % when ASM was applied at concentrations higher than 50 μg ml−1. ASM also induced an elevated protection against the strain SH in the greenhouse when it was applied twice as foliar sprays at 100 μg ml−1 before root inoculation. It reduced leaf alteration index by 67 %, vessel browning index and growth alteration by 80 %. The plant defense activator markedly enhanced accumulation of H2O2. Furthermore, ASM primed tomato seedlings for enhanced activity of peroxidase and polyphenol oxidase. These results suggest that ASM protects tomato from V. dahlia directly by inhibiting the growth of pathogen and indirectly by activating plant defenses responses.
Starting Page	61
Ending Page	69
Page Count	9
File Format	PDF
ISSN	09291873
Journal	European Journal of Plant Pathology
Volume Number	145
Issue Number	1
e-ISSN	15738469
Language	English
Publisher	Springer Netherlands
Publisher Date	2015-10-31
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	ASM Verticillium Tomato Antifungal activity Protection Priming Plant Pathology Plant Sciences Ecology Agriculture Life Sciences
Content Type	Text
Resource Type	Article
Subject	Plant Science Horticulture Agronomy and Crop Science

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