Utilização de Ecolife® e Acibenzolar-s-metil (ASM) no controle da antracnose da banana em pós-colheita

Furtado, Luciano Marinho; Rodrigues, Antônia Alice Costa; Araújo, Vivianne Saraiva de; Silva, Leilson Lopes Santos; Catarino, Aricléia de Moraes

doi:10.1590/s0100-54052010000300009

Cited by 14 publications

(13 citation statements)

References 6 publications

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“…Resistance inducers have also been used to control postharvest fungal diseases in other crops, and they have shown promising results in banana [24,25], strawberry [26,27], melon [28], and lemon [29]. More recently, biological products, such as Bacillus subtilis and Trichoderma sp.…”

Section: Introductionmentioning

confidence: 99%

Cold Storage and Biocontrol Agents to Extend the Storage Period of ‘BRS Isis’ Seedless Table Grapes

et al. 2018

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'BRS Isis' is a novel hybrid seedless table grape with large reddish bunches. This cultivar is cultivated in tropical and subtropical areas and has potential to be exported overseas; however, under these growth conditions, grapes can be severely damaged by gray mold (Botrytis cinerea), the main postharvest disease of table grapes. Thus, this study aimed to evaluate different pre-and postharvest strategies to extend the storage period of 'BRS Isis' seedless table grapes. The treatments consisted of grapes packed into carton boxes under cold storage (1 • C and high relative humidity), pre-and/or postharvest treatment with potassium bicarbonate or a biological control agent (Bacillus subtilis), all with Botrytis inoculation. Additionally, two controls, with and without Botrytis inoculation, were also evaluated. The experimental design was completely randomized with eight treatments and three replications, and each plot consisted of four bunches. After a 50-day cold storage period, the carton boxes were kept for five days at room temperature (22 • C). Gray mold incidence and water loss, as well as soluble solids (SS), pH, titratable acidity (TA), SS/TA ratio, and color attributes were evaluated during both periods. Cold storage effectively reduced gray mold in 'BRS Isis' seedless grape for a period of 50 days, even when grapes were inoculated; however, no difference among treatments was observed. Higher water loss was observed in both non-treated control treatments.

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Section: Introductionmentioning

confidence: 99%

Cold Storage and Biocontrol Agents to Extend the Storage Period of ‘BRS Isis’ Seedless Table Grapes

et al. 2018

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“…The authors reported no differences among the treatments, but found a reduction in the area under the curve of odium progression. FURTADO et al (2010) reported the positive effect of citric biomass on reducing the severity of anthracnose (Colletotrichum spp.) in different varieties of banana plants.…”

Section: Resultsmentioning

confidence: 99%

Induction of resistance to Colletotrichum truncatum in lima bean

Gomes

Nascimento

2018

Arq. Inst. Biol.

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Anthracnose (Colletotrichum truncatum) is one of the major diseases of the lima bean culture, found in production fields, causing decrease in productivity. The objective of this study was to evaluate the effect of abiotic and biotic inducers applied in lima bean plants to reduce anthracnose severity. Lima bean accessions were used and treated with: the abiotic inducers calcium silicate (Agrosilício Plus) and silicate clay (Rocksil), using the 3 g dose.L-1; the biotic inducer citric biomass extract (Ecolife), at the dose of 3 mL.L-1; and distilled water as control. To evaluate the resistance induction, the results of severity and degree of resistance of fava bean at 7, 11, 15, 19 and 23 days after inoculation were considered according to the scale of grades and classes of reactions. The design was a randomized block in a factorial arrangement 4 × 15 (treatments × hits) with four blocks. Resistance inducers Agrosilicon Plus, Ecolife and Rocksil have potential to be used in the management of anthracnose in fava bean. The studied accesses showed degree of resistance, being able to be explored in relation to obtaining anthracnose resistant cultivars in future breeding programs of this crop.

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“…The scores assigned to leaf damage due to feeding of S. frugiperda showed significant effect ( The results from this study are in accordance with those obtained by Pinto et al (2014) who reported a 62% reduction in the number of infested leaves and 20 and 35% in the level of leaf damage in the CCN 51 and Congo cocoa genotypes respectively, after application of 6 mL L -1 of potassium silicate. Acibenzolar-S-methyl is an inducer of resistance, which interferes with physiological and biochemical processes of the plants, such as rapid absorption by the foliar tissues and activation and accumulation of PR proteins, regulating secondary metabolites as phytoalexins or structural defense compounds (Furtado et al, 2010). The interaction of potassium silicate + ASM, constituted as defense barriers in the corn plant to S. frugiperda, which possibly contributed significantly to the increased resistance; and therefore, to the minor damage caused by the pest.…”

Section: Damages Of S Frugiperda In Maize Plantsmentioning

confidence: 99%

Resistance elicitors and defense response enhancers of maize to Spodoptera frugiperda (J.E.Smith) (Lepidoptera: Noctuidae)

et al. 2019

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The objective of this research was to assess the potential of abiotic compounds as defense response enhancers in maize using enzymatic quantification and their efficiency in reduction of damages caused by S. frugiperda. The experiment was laid out in a randomized complete block design with six treatments and five replications. The treatments were: T1: positive control (distilled water + infestation); T2: negative control (without product application, uninfested); T3: biofertilizer; T4: acibenzolar-S-methyl (ASM); T5: potassium silicate; T6: potassium silicate + ASM. The treatments were applied in V6 stage of maize plants. After five days, the plants were artificially infested with 2nd instar caterpillars of S. frugiperda. Damage assessments were carried out at 4, 8, 16 and 22 days after infestation using a scale of notes. To evaluate the enzymatic activity, one leaf of each plant was removed at 2, 4, 8, 16 and 22 days after infestation. The largest peroxidase activities were observed at two DAI (days after infestation) using the potassium silicate + ASM (2,344.12 UAE.mg -1 of proteína.min -1 ) treatment, while the larger polyphenol oxidase activity peaks were observed after treatment with ASM at 22 DAI. The application of potassium silicate + ASM in corn plants can promote peroxidase activity. The polyphenol oxidase activity was increased after application of ASM, whereas the presence of the pest (on positive control) could potentially increase the activity of phenylalanine ammonia-lyase. The applications of ASM alone and potassium silicate + ASM contributed to reduction of the foliar damage level caused by S. frugiperda in corn plants.

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Utilização de Ecolife® e Acibenzolar-s-metil (ASM) no controle da antracnose da banana em pós-colheita

Cited by 14 publications

References 6 publications

Cold Storage and Biocontrol Agents to Extend the Storage Period of ‘BRS Isis’ Seedless Table Grapes

Cold Storage and Biocontrol Agents to Extend the Storage Period of ‘BRS Isis’ Seedless Table Grapes

Induction of resistance to Colletotrichum truncatum in lima bean

Resistance elicitors and defense response enhancers of maize to Spodoptera frugiperda (J.E.Smith) (Lepidoptera: Noctuidae)

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