Dry Flowable Formulation of Biostimulants Trichoderma Strains

Oancea, Florin; Raut, Iulia; Șesan, T. E.; Cornea, Petruța

doi:10.1016/j.aaspro.2016.09.022

Cited by 19 publications

(17 citation statements)

References 30 publications

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“…Other successful strategies for promoting the colonization of the phyllosphere/phylloplane by inoculated strains include the manipulation of the abiotic conditions, i.e., humidity [90], inclusion into controlled released formulations, which specifically release propagules into the leaf environment [91], and the application of higher propagule density [92]. In this study, we used the strategy related to a higher density of the initial inoculum, while only using the spores (with a high proportion of chlamydospores) that were collected after cultivation on specific media [68,69] and that survive well in the environment [93]. A concentration of 10 8 spores/mL, 1000-fold higher than that used for T22 applied on grape [35], causes a long-lasting effect and a significant increase in bioactive compounds in P. caerulea.…”

Section: Discussionmentioning

confidence: 99%

“…The mycelium was homogenized with the culture medium by vigorous shaking, and the resulting suspension was aseptically poured through a 100-mesh cotton tissue. The spores were collected in a sterile bottle and then concentrated by centrifugation [69]. The concentration of the Trichoderma consortium propagules 4 of 27 was normalized to 10 6 and 10 8 cfu/mL by microscopic counting of fungal spores on a hemocytometer according to a standardized protocol prior to the application as treatment of P. caerulea plants [70].…”

Section: Biological Materialsmentioning

confidence: 99%

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Effects of Foliar Treatment with a Trichoderma Plant Biostimulant Consortium on Passiflora caerulea L. Yield and Quality

et al. 2020

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The influence of spore concentration on the ability of a Trichoderma consortium to colonize the Passiflora caerulea phyllosphere was evaluated by determining the effects of foliar treatments with two spore concentrations, in two repeated treatments, on the morphological, physiological, and ultrastructural characteristics, and on the yield and quality of P. caerulea. The studied crop quality features were related to its nutraceutical use: the accumulation of polyphenols and flavonoids, antioxidant activity, and effects on mouse fibroblast L929 cells. The Trichoderma consortium consisted of two strains, T. asperellum T36b and T. harzianum Td50b, and the concentrations used were 106 colony forming units (cfu)/mL and 108 cfu/mL. As a reference treatment, a commercial product that was based on herbs and algal extracts was used. As compared to the negative control, the treatment with the Trichoderma consortium at 108 cfu/mL concentration determines the accumulation of higher level of polyphenols and flavonoids and increased antioxidant activity. This enhancement of P. caerulea quality characteristics after treatment with the higher concentration of Trichoderma consortium was associated with larger leaves, increased number and size of chloroplasts, improved plant physiology characteristics, and an increased yield. The treatment with high concentration of Trichoderma consortium spores promotes phyllosphere colonization and benefits both crop yield and quality.

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Section: Discussionmentioning

confidence: 99%

Section: Biological Materialsmentioning

confidence: 99%

Effects of Foliar Treatment with a Trichoderma Plant Biostimulant Consortium on Passiflora caerulea L. Yield and Quality

et al. 2020

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“…The pH values were measured using a VOLTCRAFT KBM-110 m (Conrad Electronic SE, Hirschau, Germany) with a pH electrode [ 37 ]. The rate of granule dissolution was determined as the ratio of the weight of granules dissolved in water flowing through a column to the dissolution time (s).…”

Section: Methodsmentioning

confidence: 99%

Identification of a Biostimulating Potential of an Organic Biomaterial Based on the Botanical Extract from Arctium lappa L. Roots

2021

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The development of novel biomaterials based on plant extracts is expected to boost yields without adversely affecting environmental diversity. The potential biostimulating effects have so far been underreported. The assessment of the stimulating effect of botanical biomaterials is essential in the cultivation of economically-important crops. An attempt was undertaken in this study to develop a new biostimulating material in the form of granules, based on an extract from the roots of Arctium lappa L. The scope of the research included the characterization of the new material and the identification of its biostimulating potential. The designed and produced biogranulate is rich in bioactive compounds, including polyphenolic compounds, carbohydrates, and micro- and macro-elements. The analysis of the physicochemical properties of the biomaterial has shown that it had the features of intelligent biopreparations, i.e., slow-release preparations, at the pH appropriate for legume plants. Thus, knowledge about the design of new biomaterials is a milestone in the practical development of new perspectives for enhancing sustainability in agriculture.

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“…43 × 10⁷CFU.ml -1 respectively. The reason for the holding of the bio activity during the storage period is due to the efficiency of some polymeric materials in the encapsulation of the fungus spores and reduce the impact of external influences of heat and moisture, That's what Oancea et al (2016) referred. The results also agreed with Locatelli et al (2017) in capability of sodium genes mixed with some other polymers used in the coating of Trichoderma sp.…”

Section: Effect Of Polymeric Materials On Longevity Of T Longibrachiatummentioning

confidence: 99%

Evaluation of Biofungicide Formulation of Trichoderma longibrachiatum in Controlling of Tomato Seedling Damping-off Caused by Rhizoctonia solani

Mahde¹,

Fayyadh

Al-Luaibi

2019

Basrah J. Agric. Sci.

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This study was carried out in the laboratories and fields of Department of Plant Protection, College of Agriculture and aimed at isolating and identifying Trichoderma spp. from different agricultural soils in Basrah and evaluating of the efficacy of some polymeric materials in the formulation of T. longibrachiatum as biofungicides. The results showed that there was no direct effect of Polyvinyl acetate (PVA) on the growth of Rhizoctonia solani and T. longibrachiatum as inhibition percentage was 0%. While Polyurethane (PU) had low effect on growth of T. longibrachiatum as inhibition percent was 4.47%. The results of pot experiment showed that PVA reduced tomato seeds germination to50% compared to 66.6 and 70% in PU and control treatment respectively. The results of bio effect in the control of tomato seedlings disease caused by R. solani showed that T. longibrachiatum +PU (PUT) improve tomato seeds germination and enhanced plant growth as plant height reached 15.7cm compared with 13.5 and 12.9 in PVAT and control treatment. The results also showed that the polymeric material improved longevity of T. longibrachiatum spores for six months, but the spore viability began to decreased gradually during the storage period, reaching 6.03?10? and 2.54?10? cfu.g-1 with PVAT and PUT respectively after six months compared to the number of spores before storage of 5.09 × 10? and 1.77 × 10? cfu.g -1 respectively.

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Dry Flowable Formulation of Biostimulants Trichoderma Strains

Cited by 19 publications

References 30 publications

Effects of Foliar Treatment with a Trichoderma Plant Biostimulant Consortium on Passiflora caerulea L. Yield and Quality

Effects of Foliar Treatment with a Trichoderma Plant Biostimulant Consortium on Passiflora caerulea L. Yield and Quality

Identification of a Biostimulating Potential of an Organic Biomaterial Based on the Botanical Extract from Arctium lappa L. Roots

Evaluation of Biofungicide Formulation of Trichoderma longibrachiatum in Controlling of Tomato Seedling Damping-off Caused by Rhizoctonia solani

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