In vitro evaluation of combination of Trichoderma harzianum and chitosan for the control of sapstain fungi

Chittenden, Colleen; Singh, Tejinder

doi:10.1016/j.biocontrol.2009.04.015

Cited by 43 publications

(21 citation statements)

References 24 publications

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“…Control of two sapstain fungi Leptographium procerum and Sphaeropsis sapinea by a combination of chitosan or chitosan oligomer and an albino strain of Trichoderma harzianum was tested by Chittenden and Singh [263]. There was no mycelial growth of the fungi regardless of chitosan concentrations used when either L. procerum or S. sapinea were simultaneously inoculated with T. harzianum.…”

Section: Chitosan and Its Derivatives As Antimicrobial Agents Againstmentioning

confidence: 99%

A Biopolymer Chitosan and Its Derivatives as Promising Antimicrobial Agents against Plant Pathogens and Their Applications in Crop Protection

Badawy

Rabea

2011

International Journal of Carbohydrate Chemistry

317

173

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Recently, much attention has been paid to chitosan as a potential polysaccharide resource. Although several efforts have been reported to prepare functional derivatives of chitosan by chemical modifications, few attained their antimicrobial activity against plant pathogens. The present paper aims to present an overview of the antimicrobial effects, mechanisms, and applications of a biopolymer chitosan and its derivatives in crop protection. In addition, this paper takes a closer look at the physiochemical properties and chemical modifications of chitosan molecule. The recent growth in this field and the latest research papers published will be introduced and discussed.

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Section: Chitosan and Its Derivatives As Antimicrobial Agents Againstmentioning

confidence: 99%

A Biopolymer Chitosan and Its Derivatives as Promising Antimicrobial Agents against Plant Pathogens and Their Applications in Crop Protection

Badawy

Rabea

2011

International Journal of Carbohydrate Chemistry

317

173

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“…The inhibitory rate of fungal growth was calculated. Three replicates were used for each chitosan concentration and each experiment was repeated twice (Chittenden and Singh 2009).…”

Section: Preparation Of Chitosan Solutions and Determination Of Mycelmentioning

confidence: 99%

“…The antimicrobial activity of chitosan against a range of foodborne filamentous fungi, yeasts and bacteria has attracted attention as a potential food preservative of natural origin (No et al . ; Chittenden and Singh ; Cota‐Arriola et al . ).…”

Section: Introductionmentioning

confidence: 99%

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Chitosan Coating of Red Table Grapes and Fresh-Cut Honey Melons to Inhibit F usarium oxysporum Growth

İrkin

Guldas

2013

Journal of Food Processing and Preservation

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Chitosan is a modified, natural biopolymer derived by deacetylation of chitin. Mycelial growth of Penicillium chrysogenum, Fusarium oxysporum, Aspergillus parasiticus, As. fumigatus and As. niger was determined by measuring colony diameters on Petri plates. The red grape and honey melon samples inoculated with F. oxysporum were immersed into chitosan solution, and then kept at 4C for 7 days. The fungal isolates were tested using with seven concentrations of chitosan (0.0, 0.5, 1.0, 1.5, 2.0, 2.5 and 3.0%). The effective concentrations that require reducing the radial growth of the fungus on the media were determined as 57.6, 62.5 and 73.1% for Pe. chrysogenum, F. oxysporum and As. parasiticus, respectively. The chitosan coatings caused to decrease F. oxysporum growth in table grapes and honey melons and delayed changes in their external color. Chitosan is suitable to use as an antifungal edible film in the food industry in the near future. PRACTICAL APPLICATIONSChitosan has inhibitory activity for the growth of Penicillium chrysogenum, Fusarium oxysporum and Aspergillus parasiticus in vitro. Chitosan coatings can be used as an edible film for table grapes and honey cut melons. Hunter color values are better than the control samples for chitosan-coated fruits. It might be said that 1.5% w/v chitosan concentration can show optimum edible coating application for grapes and melons.

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“…Prophylactic measures with hot water and fungicides for the treatment of plants in the nursery multiplication process, targeted at controlling P. chlamydospora, P. aleophilum and Cilindrocarpon spp., are available (Waite & Morton, 2007). Trichoderma harzianum (Chittenden & Singh, 2009) and chitosan-nanometals composites against Diplodia seriata . However, the best form of control is still the adoption of preventive measures such as the elimination of prunings of affected stocks, the protection of pruning wounds with fungicides and performing the pruning late so as to reduce the susceptibility of wounds .…”

Section: Introductionmentioning

confidence: 99%

Higienización de sarmientos de la poda de vid mediante métodos térmicos y biofungicida

Matei¹

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The upsurge in fungal diseases that cause grapevine wood rot in young and adult plants remains a major concern for the wine sector. So as to study the effectiveness of heat treatments for the sanitization of pruning waste, the thermal death of two inocula of Diplodia seriata fungus-associated to black dead arm disease-was studied in vitro at different temperatures in a dry air incubator, confirming that inhibition increased as a function of temperature and exposure time. First-order and Weibull models were compared to describe D. seriata fungus survival curve kinetics, with high R 2 values (0.923 and 0.930, respectively) and high significances (p<0.001) for both models. According to the first-order model, the time required to reach 100% mortality at 65 °C was 120 min (or 93 min to 95%), whereas for the Weibull model a 90% reduction was attained after 73 min.

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In vitro evaluation of combination of Trichoderma harzianum and chitosan for the control of sapstain fungi

Cited by 43 publications

References 24 publications

A Biopolymer Chitosan and Its Derivatives as Promising Antimicrobial Agents against Plant Pathogens and Their Applications in Crop Protection

A Biopolymer Chitosan and Its Derivatives as Promising Antimicrobial Agents against Plant Pathogens and Their Applications in Crop Protection

Chitosan Coating of Red Table Grapes and Fresh-Cut Honey Melons to Inhibit F usarium oxysporum Growth

Higienización de sarmientos de la poda de vid mediante métodos térmicos y biofungicida

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