Anatomical changes induced by isolates of Trichoderma spp. in soybean plants

PloS One
Camilla Martins OliveiraCirano José Ulhoa

Abstract

In the current work we evaluated the anatomical changes induced by T. harzianum and T. asperellum in two soybean cultivars, BRSGO Caiaponia and NA 5909 RG. Soybean production represents a growing market worldwide, and new methods aimed at increasing its productivity and yield are constantly being sought. Fungi of the genus Trichoderma have been widely used in agriculture as a promising alternative for the promotion of plant growth and for biological control of various pathogens. It is known that Trichoderma spp. colonize plant roots, but the anatomical changes that this fungus can cause are still less studied. Experiment was conducted in a greenhouse to collect leaves and soybean roots to perform analysis of growth parameters, enzymatic activity of defense-related enzymes and anatomical changes. It was observed that inoculation of Trichoderma spp. caused anatomical alterations, among them, increase in stomatal index at the abaxial leaf surface, thickness of the root cortex, thickness of adaxial epidermis, mean diameter of the vascular cylinder, thickness of the mesophyll, and thickness of the spongy parenchyma of the soybean plants. These results indicate that the alterations in these factors may be related to the process of pl...Continue Reading

References

Apr 2, 2003·Archives of Biochemistry and Biophysics·Sergio AlunniLaura Ottavi
Mar 24, 2004·Nature Reviews. Microbiology·Gary E HarmanMatteo Lorito
Sep 17, 2011·Nature Reviews. Microbiology·Irina S DruzhininaChristian P Kubicek
Jan 18, 2016·Plant Physiology and Biochemistry : PPB·Fuli ZhangChengwei Li
Jul 28, 2019·Fungal Biology·Roberto N SilvaCirano J Ulhoa

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