Endophytic colonization of five Trichoderma species and their effects on growth of a Eucalyptus hybrid.
Endophytic colonization
Eucalyptus spp.
Symbiotic relationships
Trichoderma spp.
Vegetative growth
Journal
Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology]
ISSN: 1678-4405
Titre abrégé: Braz J Microbiol
Pays: Brazil
ID NLM: 101095924
Informations de publication
Date de publication:
Dec 2023
Dec 2023
Historique:
received:
28
04
2023
accepted:
22
08
2023
pmc-release:
04
09
2024
medline:
4
12
2023
pubmed:
4
9
2023
entrez:
3
9
2023
Statut:
ppublish
Résumé
The study aimed to evaluate the effectiveness of endophytic colonization via leaf and root inoculation of five Trichoderma species in a Eucalyptus hybrid, as well as the effects of inoculation on plant growth. The experimental design was completely randomized in a 6 × 2 factorial scheme. Plant growth was evaluated during the experimental period at three different times: 20 days after inoculation (d.a.i), 40 d.a.i., and 60 d.a.i. A statistical difference was observed between the inoculation methods during each period and between the Trichoderma species. Plants inoculated with T. asperellum showed the greatest growth among the treatments. Root-inoculated plants produced the greatest growth response. This showed that the presence of Trichoderma in the roots assisted in nutrient assimilation, promoted greater plant growth, when compared with leaf-inoculated plants. Evaluation of the effectiveness of endophytic colonization was performed at each sampling period by collecting leaf samples, and at 60 d.a.i., by collecting leaf, stem, and root samples. T. longibrachiatum and T. harzianum were isolated from leaves at 20 d.a.i., with an increase in the number of colonized plants throughout the evaluation of leaf-inoculated plants. In root-inoculated plants, treatment with T. longibrachiatum, T. harzianum, and T. asperellum presented the highest endophytic colonization in the stem and root samples (at 60 d.a.i.).
Identifiants
pubmed: 37661212
doi: 10.1007/s42770-023-01112-0
pii: 10.1007/s42770-023-01112-0
pmc: PMC10689710
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
3113-3125Informations de copyright
© 2023. The Author(s) under exclusive licence to Sociedade Brasileira de Microbiologia.
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