1. bookVolume 60 (2015): Issue 3 (September 2015)
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License
Format
Journal
eISSN
1508-5791
First Published
25 Mar 2014
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4 times per year
Languages
English
access type Open Access

E-beam irradiation for the control of Phytophthora nicotianae var. nicotianae in stonewool cubes

Published Online: 25 Sep 2015
Volume & Issue: Volume 60 (2015) - Issue 3 (September 2015)
Page range: 679 - 682
Received: 03 Nov 2014
Accepted: 20 May 2015
Journal Details
License
Format
Journal
eISSN
1508-5791
First Published
25 Mar 2014
Publication timeframe
4 times per year
Languages
English
Abstract

Effectiveness of electron beam irradiation was evaluated against Phytophthora nicotianae var. nicotianae, the causal agent of stem base and root rot of tomato. In laboratory trials, irradiation of 7-day-old Phytophthora cultures growing on potato-dextrose-agar (PDA) medium with 1 kGy resulted in the disintegration of the pathogen’s hyphae. Increasing the irradiation dose to 3 kGy caused decay of the hyphae. Irradiation of infested stonewool with 5 kGy caused decrease of the pathogen population about 5 times. Application of 20 kGy completely eliminated the pathogen from stonewool. Irradiation of substratum resulted in significant increase of tomato seedlings healthiness, especially when the dose 20 kGy was applied.

Keywords

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