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Adaptive Fodder Production
UDC 632.9 UDC 631.8

BIOPRIMING OF FODDER BEAN SEEDS WITH ISOLATES OF TRICHODERMA STRAINS FROM THE SURFACE OF SCOTS PINE Biopriming of fodder bean seeds with isolates of Trichoderma strains from the surface of scots pine

Published in Adaptive Fodder Production · Volume 2026, Issue 2 · Pages 41–49 · Rubric: EXPERIMENTAL RESEARCH WORK
DOI: https://doi.org/10.33814/AFP-2222-5366-2026-2-41-49
Received: 09.06.2026 Accepted: 15.06.2026 Published: 15.06.2026
Authors
AL
Aleksandr V. AKIMOV
EL
Elena V. Dumacheva
VL
Vladimir I. Chernyavskih
PO
Polina V. MAKSIMOVA
et al.
AL
Aleksandr V. GAAR
ABSTRACT
The results of a comprehensive study on the effect of six new Trichoderma strains on the growth and development of faba bean (Vicia faba L.) under artificial infection with Fusarium solani and Fusarium culmorum are presented. The work is aimed at studying the biocontrol and growth-promoting potential of Trichoderma isolates derived from the surface of Pinus sylvestris in relation to seeds and seedlings of V. faba. The research was conducted in 2025 at the Laboratory of Plant Physiology of the Federal Williams Research Center of Forage Production and Agroecology. The objects of study were new Trichoderma isolates (Tr-1, Tr-2, Tr-3, Tr-4, Tr-5, Tr-6), the commercial strain Trichoderma viride (strain 471, TM "Vashe Khozyaistvo") as a reference standard, phytopathogens F. solani and F. culmorum from the collection of the Federal Williams Research Center of Forage Production and Agroecology, and seeds and seedlings of V. faba. Untreated seeds served as the control. Under F. solani infection, strains Tr-2, Tr-3, and Tr-4 significantly increased the length of embryonic roots relative to the commercial strain by 105.4%, 91.9%, and 77.7%, respectively, and relative to the control — by 1.8 times (Tr-2). The use of strains Tr-1 and Tr-2 reduced seed infection by 45–50% compared to the reference standard. Under F. culmorum inoculation, the maximum growth-promoting effect was observed for strains Tr-1 and Tr-2, which increased root length by 2.8 times relative to the commercial strain. The consortium of strains (Tr-1, Tr-2, Tr-3, Tr-4, Tr-5, Tr-6) reduced seed infection by 90.9% relative to the commercial strain. The isolated Trichoderma strains are characterized by high biocontrol potential and can serve as a basis for the development of specialized biopreparations combining fungicidal and growth-promoting effects against fusariosis of faba bean.
KEYWORDS
Trichoderma, seed biopriming, Fusarium solani, Fusarium culmorum, biocontrol, growth promotion, Vicia faba, Pinus sylvestris
Funding
Issledovaniya vypolneny pri podderzhke Goszadaniya FGGW-2025-0010 «Ocenka genofonda i sozdanie kollekcii vidov roda Medicago i drugih bobovyh trav s vysokimi kormovymi kachestvami na osnove sopryazhennyh morfofiziologicheskih priznakov dlya selekcii vysokoproduktivnyh sortov, ustoychivyh k izmenyayuschimsya usloviyam sredy».
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