Lagerlöf, Jan and Ayuke, Fredrick Ouma and Heyman, Fredrik and Meijer, Johan
(2020).
Effects of biocontrol bacteria and earthworms on Aphanomyces euteiches root-rot and growth of peas (Pisum sativum) studied in a pot experiment.
Acta Agriculturae Scandinavica, Section B - Soil and Plant Science. 70
, 427-436
[Research article]
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Abstract
The role of below-ground interactions between microbial biocontrol agents and soil fauna for combatting soil-borne plant diseases have not been studied sufficiently. This study tested the hypothesis that the beneficial bacterium Bacillus velezensis UCMB5113 and the anecic earthworm Lumbricus terrestris positively influence health and growth of peas (Pisum sativum L.) infested with the pathogen Aphanomyces euteiches causing root-rot disease. A greenhouse fully factorial experiment studied the effects of A. euteches, B. velezensis and L. terrestris on the emergence, growth and health of pea plants. The factors B. velezensis and L. terrestris resulted in taller plants (p = .003 and p = .030). B. velezensis treatment resulted in a higher biomass of shoots and roots (p <= .001 and p = .005). The effects increased with the presence of both factors (p = .036). Earthworms reduced the disease symptoms significantly (p = .032). The decreased disease symptoms caused by the earthworms might be due to the consumption of A. euteiches (direct effect) as well as soil disturbance (indirect effect). Interactions between the microorganisms added and the earthworms were shown. B. velezensis and L. terrestris can be useful for enhancement of plant growth and for biological control of root-rot in peas.
| Authors/Creators: | Lagerlöf, Jan and Ayuke, Fredrick Ouma and Heyman, Fredrik and Meijer, Johan | ||||||
|---|---|---|---|---|---|---|---|
| Title: | Effects of biocontrol bacteria and earthworms on Aphanomyces euteiches root-rot and growth of peas (Pisum sativum) studied in a pot experiment | ||||||
| Series Name/Journal: | Acta Agriculturae Scandinavica, Section B - Soil and Plant Science | ||||||
| Year of publishing : | 2020 | ||||||
| Volume: | 70 | ||||||
| Page range: | 427-436 | ||||||
| Number of Pages: | 10 | ||||||
| Publisher: | Taylor & Francis | ||||||
| ISSN: | 0906-4710 | ||||||
| Language: | English | ||||||
| Publication Type: | Research article | ||||||
| Article category: | Scientific peer reviewed | ||||||
| Version: | Published version | ||||||
| Copyright: | Creative Commons: Attribution-Noncommercial-No Derivative Works 4.0 | ||||||
| Full Text Status: | Public | ||||||
| Subjects: | (A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Soil Science | ||||||
| Keywords: | Bacillus, below-ground interaction, biological control, Lumbricus terrestris, plant disease | ||||||
| URN:NBN: | urn:nbn:se:slu:epsilon-p-106489 | ||||||
| Permanent URL: | http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-106489 | ||||||
| Additional ID: |
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| ID Code: | 17195 | ||||||
| Faculty: | NJ - Fakulteten för naturresurser och jordbruksvetenskap | ||||||
| Department: | (NL, NJ) > Dept. of Ecology (S) > Dept. of Ecology (NL, NJ) > Dept. of Plant Biology and Forest Genetics (until 131231) (NL, NJ) > Dept. of Forest Mycology and Plant Pathology (S) > Dept. of Forest Mycology and Plant Pathology | ||||||
| Deposited By: | SLUpub Connector | ||||||
| Deposited On: | 10 Jul 2020 07:48 | ||||||
| Metadata Last Modified: | 15 Jan 2021 19:25 |
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