Trichoderma harzianum IS005-12 promotes germination, seedling growth and seedborne fungi suppression in Italian ryegrass forage

Nevena Banjac, Rade Stanisavljević, Ivica Dimkić, Nataša Velijević, Marina Soković and Ana Ćirić
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Nevena Banjac: Institute for Biological Research "Siniša Stanković" - National Institute of the Republic of Serbia, University of Belgrade, Belgrade, Serbia
Rade Stanisavljević: Institute for Plant Protection and Environment, Belgrade, Serbia
Ivica Dimkić: Faculty of Biology, University of Belgrade, Belgrade, Serbia
Nataša Velijević: Department of Crop Science, Faculty of Agriculture, University of Novi Sad, Novi Sad, Serbia
Marina Soković: Institute for Biological Research "Siniša Stanković" - National Institute of the Republic of Serbia, University of Belgrade, Belgrade, Serbia
Ana Ćirić: Institute for Biological Research "Siniša Stanković" - National Institute of the Republic of Serbia, University of Belgrade, Belgrade, Serbia

Plant, Soil and Environment, 2021, vol. 67, issue 3, 130-136

Abstract: Potential of Trichoderma harzianum IS005-12 (TH-IS005-12) to promote seed germination and seedling growth of Italian ryegrass (IRG) forage was evaluated in vitro. Non-desiccated seeds and those pre-harvestly desiccated with total herbicide were treated 25 days (freshly harvested) and 178 days after harvest (mature) with TH-IS005-12 spore suspensions at 0 (T0), 1.8 × 107 (T1) and 1.2 × 109 (T2) spore/mL. TH-IS005-12 promoted the early and final germination and seedling growth in all non-desiccated and desiccated, freshly harvested as well as mature IRG seeds. It was more effective in pre-harvestly desiccated freshly harvested seeds where T2 treatment increased final germination rate for 24%, root number per seedling 1.6-fold and seedling vigour 1.9-fold compared to the untreated control. Moreover, TH-IS005-12 showed an inhibitory activity against seedborne fungi Alternaria alternata and A. ventricosa suppressing their growth in vitro by 82% and 77%, respectively.

Keywords: Lolium multiflorum; early dormancy; desiccation; biocontrol agent; biostimulant; fungi inhibitory activity (search for similar items in EconPapers)
Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:67:y:2021:i:3:id:581-2020-pse

DOI: 10.17221/581/2020-PSE

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