Topic
Trichoderma harzianum
About: Trichoderma harzianum is a research topic. Over the lifetime, 4731 publications have been published within this topic receiving 96796 citations.
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TL;DR: Results of the study suggested that T. harzianum and AMF have the potential to improve growth, early yield and fruit quality of field-grown tomato.
Abstract: The effect of nursery inoculation of tomato (Solanum lycopersicum L.) with Trichoderma harzianum and arbuscular mycorrhizal fungi (AMF) Glomus mosseae on fungal root colonization, plant growth, yield and quality of field-grown tomato was investigated. The four treatments included T. harzianum, AMF, T. harzianum+AMF, and uninoculated control. At mid-harvest, 84 days after transplanting, no interactive effect of the fungi on the external mycelium growth was observed. Inoculation with AMF alone or in combination with T. harzianum increased dry shoot weight by 35% and 30%, respectively, during the first season, and by 30% and 21%, respectively, during the second growing season. Trichoderma harzianum increased the percentage of large fruit by 76% in 2008–2009, whereas AMF increased the percentage of extra-large fruit by 44% in 2009–2010. Similarly, AMF increased total soluble solids by 10%. Inoculated tomato seedlings with T. harzianum and/or AMF significantly increased early yield of tomato, by 10%, ...
31 citations
TL;DR: Thirty-five strains ofTrichoderma viride andT.
Abstract: Thirty-five strains ofTrichoderma viride andT harzianum were screened for their antagonistic ability against the rice sheath blight pathogen,Rhizoctonia solani The strains that inhibited/overgrew the phytopathogenic fungus were considered effective Light microscopic studies showed the antagonism of the hyphae of effectiveTrichoderma strains towards their host hyphae Chitinase activity ofTrichoderma culture filtrates was enhanced, when colloidal chitin was used as the sole carbon source, instead of glucose Chitinase pattern differed among the four select strains The chitinase isoforms are induced differentially by carbon sources The chitin affinity column fraction ofTrichoderma culture filtrate inhibited,in vitro, the growth ofR solani
31 citations
TL;DR: A novel validated method Fourier transform near infrared (FT-NIR) method was used for rapid estimation of total bacoside content and a significant reduction in root-knot indices was observed in the combined treatment of B. monnieri var CIM-Jagriti and T. harzianum ThU.
Abstract: Despite the vast exploration of rhizospheric microbial wealth for crop yield enhancement, knowledge about the efficacy of microbial agents as biocontrol weapons against root-knot disease is scarce, especially in medicinal plants, viz., Bacopa monnieri. In the present investigation, rhizospheric microbes, viz., Bacillus megaterium, Glomus intraradices, Trichoderma harzianum ThU, and their combinations were evaluated for the management of Meloidogyne incognita (Kofoid and White) Chitwood and bacoside content enhancement in B. monnieri var CIM-Jagriti. A novel validated method Fourier transform near infrared was used for rapid estimation of total bacoside content. A significant reduction (2.75-fold) in root-knot indices was observed in the combined treatment of B. megaterium and T. harzianum ThU in comparison to untreated control plants. The same treatment also showed significant enhancement (1.40-fold) in total bacoside contents (plant active molecule) content using Fourier transform near-infrared (FT-NIR) method that analyses samples rapidly in an hour without solvent usage and provides ample scope for natural product studies.
31 citations
Journal Article•
TL;DR: T. harzianum (T39) and T. virens (DAR 74290) inhibited growth of M. phaseolina completely in vitro and appeared to be fungicidal and demonstrated the best result in the control of charcoal stem rot in melon.
Abstract: Trichoderma harzianum (T39), T.virens (DAR74290), T.viride (MO), T. harzianum (M) and TrichderminB a commercial formulation of T. harzianum(Bi) were evaluated as potential biological agents for the control of charcoal stem rot in melon caused by Macrophomina phaseolina. Cell-free metabolites of T. harzianum(M), T. harzianum (T39) and T. virens (DAR 74290) inhibited growth of M. phaseolina completely in vitro and appeared to be fungicidal. T. viride (MO) inhibited fungal growth from 34.9% to 71%. T. harzianum (T39), T. harzianum (M), T. virens (DAR 74290), T. viride(MO) and T. harzianum (Bi) were tested for their ability to protect melon plants from disease caused by M. phaseolina in a glasshouse experiment. The percentage of stand plants with the antagonist alone or in combination with the pathogen was significantly (p<0.05) greater than in plants inoculated with the pathogen alone. The percentages for the stand plants in treatments were as follows: T. harzianum (T39), T. harzianum (M), T. virens (DAR 74290), M. phaseolina, M. phaseolina + T. virens (DAR 74290), M. phaseolina + T. harzianum (T39) and M. phaseolina + T. harzianum (M),at 95, 100, 97.5, 15, 64.25, 75.25 and 47.55 percent respectively. The percentage for the stand plant in the commercial Trichodermin B + M. phaseolina treatment (96.7%) was greater than for M. phaseolina alone (46.7%) and demonstrated the best result in the control of charcoal stem rot in melon.
31 citations
TL;DR: P. fluorescens K-188 produced antifungal materials that inhibited fungal phytopathogens Fusarium oxysporum, FUSarium solani, Trichoderma harzianum, and Pythium ultimum and retained almost 70% of the original antIFungal activity even after being heated at 100 °C for 10 min.
31 citations