Trichoderma and its secondary metabolites improve yield and quality of grapes

Pascale, Alberto; Vinale, Francesco; Manganiello, Gelsomina; Nigro, Marco; Lanzuise, Stefania; Ruocco, Michelina; Marra, Roberta; Lombardi, Nadia; Woo, Sheridan L.; Lorito, Matteo

doi:10.1016/j.cropro.2016.11.010

Cited by 133 publications

(110 citation statements)

References 28 publications

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“…In addition, an increase in amino acid synthesis, such as phenylalanine, can participate in the shikimic acid pathway and act as precursors of phenolic acids such as gallic acid, ferulic acid and p ‐coumaric acid . Similar results were reported for grapes, where Trichoderma harzianum T22 combined with pentyl‐α‐pyrone (a metabolite that the same strain is known to produce) presented a mechanism similar to an auxin, which translated into an increase in TPC from 820 to 1150 mg GAE kg −1 . In the present work, B. amyloliquefaciens BBC047 is known to produce indoleacetic acid (IAA), a plant hormone that has growth‐promoting activity.…”

Section: Resultssupporting

confidence: 81%

Root inoculation of green bell pepper (Capsicum annum) with Bacillus amyloliquefaciens BBC047: effect on biochemical composition and antioxidant capacity

et al. 2019

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BACKGROUND Consumption of bell peppers is recommended because of their bioactive compound content and their positive effects on health. Growth‐promoting rhizobacteria are popular because of their ability to promote plant growth by improving the fixation of nutrients or by inducing a systemic response. Green bell pepper (Capsicum annum) roots were inoculated with an autochthonous strain of Bacillus amyloliquefaciens, at different stages of development: T1, inoculation in the seedbed before transplant; T2, inoculation at and after transplant; T3, inoculation in the seedbed, at and after transplant. Bell pepper plants without inoculation were considered as control. Physicochemical composition and antioxidant activity of the fruits were measured to select the best treatment. RESULTS T1 increased crude proteins, fat, Ca, Fe, vitamin C, total phenolic content, antioxidant capacity by DPPH and by ORAC. On the other hand, T1 decreased reducing sugars, K and Cu content. No significant differences for total carbohydrates, ash and photosynthetic pigments were found. CONCLUSION Inoculated green bell peppers have enhanced its functional value and could be considered as an important source of bioactive compounds with elevated antioxidant activity. © 2019 Society of Chemical Industry

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Section: Resultssupporting

confidence: 81%

Root inoculation of green bell pepper (Capsicum annum) with Bacillus amyloliquefaciens BBC047: effect on biochemical composition and antioxidant capacity

et al. 2019

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“…The incorporation of T. harzianum into the compost tea (CT + Th) also increased the antioxidant capacity and phenolic compounds by 42% and 29%, respectively, compared to the control and CT treatments in the late winter but not in early winter, probably due to the higher amount of T. harzianum in the soil. Hua-Bin et al [40] found a strong correlation between antioxidant activity and the total phenolic and flavonoid content in plants suggesting that phenolic compounds could be the major contributor to antioxidant capacity, thus activating or priming induced systemic resistance mechanisms [41] Similar results were observed by Yedidia et al [42] in cucumber plants treated with Trichoderma asperellum and by Pascale et al [41] in grapes treated with two Trichoderma strains.…”

Section: Effects Of Ct On Baby Spinach Growth and Qualitymentioning

confidence: 52%

Spraying Agro-Industrial Compost Tea on Baby Spinach Crops: Evaluation of Yield, Plant Quality and Soil Health in Field Experiments

et al. 2020

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Compost tea is a liquid fraction extracted from composts, and it is of great interest in sustainable agriculture because it reduces the unsustainable use of chemical-based pesticides and fertilizers. In this study, during two spinach field cycles, we evaluated the potential beneficial effect of the foliar application of a compost tea made from onion and vineyard composts either by itself (CT) or implemented with the beneficial microorganism Trichoderma harzianum T78 (CT + Th) on the “healthy quality” and yield of baby spinach. Results showed that both the CT and CT + Th treatments produced a higher spinach yield than the control, but these treatments did not result in an increase in soil dehydrogenase activity (DHA) or soil nutrient content. Furthermore, CT + Th treatment showed the highest yield, phenolic content, antioxidant capacity and flavonoid levels. Nitrate levels were below legal amounts, and they were significantly (p ≤ 0.05) lower in the CT and CT + Th treatments than in the control. Data suggest that compost tea extracts from onion waste and vineyard compost and/or enriched with T. harzianum can be used in a sustainable agriculture to increase yield and quality of baby spinach.

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“…Accordingly, to the results of TPC and TF, Tv had a significant influence on the AA of lettuces grown in HC, whereas there was no significant effect on lettuces grown in CC. The results are in correlation, and with the increased TPC and TF, antioxidant activity is higher, suggesting that T. viride in the right conditions plays a significant role in the synthesis of polyphenols, probably indirectly by enhancing the nutrient availability and by inducing the plant resistance via activating or priming induced systemic resistance mechanism 60 . .…”

Section: Influence Of the Treatments On The Antioxidant Activity (Aa)mentioning

confidence: 80%

The enhancement of plant secondary metabolites content in Lactuca sativa L. by encapsulated bioactive agents

Jurić

Stracenski

Król-Kilińska

et al. 2020

Sci Rep

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encapsulated bioactive agents applied to the Lactuca sativa L. present an innovative approach to stimulate the production of plant secondary metabolites increasing its nutritive value. calcium and copper ions were encapsulated in biopolymeric microparticles (microspheres and microcapsules) either as single agents or in combination with biocontrol agents, Trichoderma viride spores, a fungal plant growth mediator. Both, calcium and copper ions are directly involved in the synthesis of plant secondary metabolites and alongside, Trichoderma viride can provide indirect stimulation and higher uptake of nutrients. All treatments with microparticles had a positive effect on the enhancement of plant secondary metabolites content in Lactuca sativa L. the highest increase of chlorophylls, antioxidant activity and phenolic was obtained by calcium-based microparticles in both, conventionally and hydroponically grown lettuces. non-encapsulated fungus Trichoderma viride enhanced the synthesis of plant secondary metabolites only in hydroponics cultivation signifying the importance of its encapsulation. encapsulation proved to be simple, sustainable and environmentally favorable for the production of lettuce with increased nutritional quality, which is lettuce fortified with important bioactive compounds.Plant secondary metabolites (PSM) are natural sources of biologically active compounds used for a healthy diet, in traditional medicine and in a wide range of industrial applications 1 . The interest in enhancing PSM production is focused to obtain high yields suitable for commercial exploitation. Plant content of secondary plant metabolites is affected by genetic, environmental, and agronomic factors 2 . A variety of strategies (screening and selection of high-yielding cell lines, the culture of cells from various plant parts, suspension culture, induction by elicitors, metabolic engineering, optimizing media, plant growth regulators, etc.) 3 as well as treatments with microspheres loaded with chemical and biological agents 4 were used for enhancing PSM production in plant cell culture.PSM such as polyphenols encompasses several classes of structurally diverse natural products biogenetically arising from the shikimate-phenylpropanoids-flavonoids pathways. Plants require these compounds for pigmentation, growth, reproduction, resistance to pathogens and for many other functions and they represent the adaptive characteristics that were subjected to the natural selection during evolution. In comparison to the animals, plants synthesize a broader spectrum of PSM because of the immobility and impossibility to escape predators, thus they evolved such a chemically based defense against predators 5 . The number of plant secondary metabolites in fresh lettuce can be improved with the addition of desirable compounds during the growth which is readily available for the plant root uptake. Higher PSM share would also have an important impact on human health by improving the antioxidant and nutrient intake through the human diet 6,7 .With the...

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Trichoderma and its secondary metabolites improve yield and quality of grapes

Cited by 133 publications

References 28 publications

Root inoculation of green bell pepper (Capsicum annum) with Bacillus amyloliquefaciens BBC047: effect on biochemical composition and antioxidant capacity

Root inoculation of green bell pepper (Capsicum annum) with Bacillus amyloliquefaciens BBC047: effect on biochemical composition and antioxidant capacity

Spraying Agro-Industrial Compost Tea on Baby Spinach Crops: Evaluation of Yield, Plant Quality and Soil Health in Field Experiments

The enhancement of plant secondary metabolites content in Lactuca sativa L. by encapsulated bioactive agents

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