Alternative methods for the control of postharvest citrus diseases

Talibi, I.; Boubaker, H.; Boudyach, E.H.; Aoumar, A. Ait Ben

doi:10.1111/jam.12495

Cited by 195 publications

(147 citation statements)

References 125 publications

(169 reference statements)

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“…The present study utilized a similar approach by obtaining yeast isolates collected from cold soils in the region of Tibet, and demonstrated that this approach could be used to identify effective, potential biocontrol agents. The use of wounded/inoculated pear fruit is an efficient method for identifying yeasts that could be potentially used to manage postharvest rots (Kaoud 2014). After a preliminary screening test, four yeast isolates with biocontrol activity were selected for further study.…”

Section: Discussionmentioning

confidence: 99%

The ability of a cold-adapted Rhodotorula mucilaginosa strain from Tibet to control blue mold in pear fruit

Yan

Wilson³

et al. 2015

Antonie van Leeuwenhoek

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Cold-adapted yeasts were isolated from soil samples collected in Tibet and evaluated as potential biocontrol agents against blue mold (Penicillium expansum) of pear fruit in cold storage. YC1, an isolate identified as Rhodotorula mucilaginosa, was found to exhibit the greatest biocontrol activity among the different isolates that were screened. A washed cell suspension of YC1 exhibited the best biocontrol activity among three different preparations that were used in the current study. A concentration of 10(8) cells/ml reduced the incidence of decay to 35 %, compared to the control where decay incidence was 100 %. A higher intracellular level of trehalose and a higher proportion of polyunsaturated acids present in YC1, was associated with increased the tolerance of this strain to low temperatures, relative to the other strains that were evaluated. The increased tolerance to low temperature allowed the YC1 strain of yeast to more effectively compete for nutrients and space in wounded pear fruit that had been inoculated with spores of P. expansum and placed in cold storage. The present study demonstrated the ability to select cold-adapted yeasts from cold climates and use them as biocontrol agents of postharvest diseases of fruit placed in cold storage.

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Section: Discussionmentioning

confidence: 99%

The ability of a cold-adapted Rhodotorula mucilaginosa strain from Tibet to control blue mold in pear fruit

Yan

Wilson³

et al. 2015

Antonie van Leeuwenhoek

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“…Apple cultivars are susceptible to various pathogens including Penicillium expansum or Botrytis cinerea that can cause losses during the postharvest period. Biocontrol of postharvest diseases depends on the specific pathogen and biocontrol agent (Teixidó et al, 2011;Talibi et al, 2014). Typically, chemical treatments, including methyl bromide, are used to control postharvest diseases of apples.…”

Section: Introductionmentioning

confidence: 99%

Effects of rhizobacteria Paenibacillus polymyxa APEC136 and Bacillus subtilis APEC170 on biocontrol of postharvest pathogens of apple fruits

Kim

Balaraju²,

Jeon

2016

J. Zhejiang Univ. Sci. B

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Abstract:In this study, plant growth-promoting rhizobacteria (PGPR) were evaluated as potential biocontrol agents against postharvest pathogens of apple fruits. In vitro bioassays revealed that, out of 30 isolates screened, isolates APEC136 and APEC170 had the most significant inhibitory effects against the mycelial growth of several fungal pathogens. Analysis of 16S ribosomal RNA (rRNA) sequences identified the two effective isolates as Paenibacillus polymyxa and Bacillus subtilis, respectively. The two strains showed greater growth in brain-heart infusion broth than in other growth media. Treatment of harvested apples with suspensions of either strain reduced the symptoms of anthracnose disease caused by two fungal pathogens, Colletotrichum gloeosporioides and Colletotrichum acutatum, and white rot disease caused by Botryosphaeria dothidea. Increased productions of amylase and protease by APEC136, and increased productions of chitinase, amylase, and protease by APEC170 might have been responsible for inhibiting mycelial growth. The isolates caused a greater reduction in the growth of white rot than of anthracnose. These results indicate that the isolates APEC136 and APEC170 are promising agents for the biocontrol of anthracnose and white rot diseases in apples after harvest, and suggest that these isolates may be useful in controlling these diseases under field conditions.

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“…The increasing concern for health hazards and environmental pollution due to the use of chemicals has required the development of alternative strategies for the control of postharvest citrus diseases. Management of postharvest diseases using microbial antagonists, natural plant-derived products and compounds that are generally recognised as safe has been demonstrated to be most suitable to replace the synthetic fungicides, which are either being banned or recommended for limited use (Smilanick et al 2005;Sharma et al 2009;Talibi et al 2014).…”

mentioning

confidence: 99%

Potential of some bacteria for biological control of postharvest citrus green mould caused by Penicillium digitatum

Mohammadi¹,

Tozlu²,

Kotan³

et al. 2017

Plant Prot. Sci.

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Mohammadi P., Tozlu E., Kotan R., Kotan Şenol M. (2017): Potential of some bacteria for biological control of postharvest citrus green mould caused by Penicillium digitatum. Plant Protect. Sci., 53: 134-143.Ten bacteria isolate (4 Bacillus subtilis, 2 Bacillus pumilus, 2 Bacillus cereus, 1 Bacillus megaterium, and 1 agrobacterium radiobacter) were tested in vitro for antagonistic properties against Penicillium digitatum, the causal agent of citrus green mould. The effect of these bacteria was also observed on mycelial growth, spore germination, and spore production of the pathogenic fungus in broth culture. Extracellular enzyme activities of the bacteria were determined. According to the results of in vitro antagonistic tests and enzymes activities, the most promising bacteria were Bacillus subtilis and agrobacterium radiobacter. These bacteria were tested for disease suppression on lemon fruits. In addition, these bacterial isolates also showed remarkable antifungal activity against the pathogen on lemon fruits. The results of this study showed that Bacillus subtilis and agrobacterium radiobacter showed remarkable antifungal activity against the pathogen. Chitinase and glucanase enzyme activity of all the tested bacteria was positive. Protease enzyme activity was positive in all tested bacteria with the exception of agrobacterium radiobacter. In addition, all bacteria inhibited mycelial growth and spore germination (except agrobacterium radiobacter) of the fungus. Bacillus subtilis, Bacillus cereus, and agrobacterium radiobacter inhibited spore production in broth culture. Bacillus subtilis and agrobacterium radiobacter were tested on lemon fruits significantly reduced disease severity. Consequently, these isolates can be used as new biocontrol agents in controlling the post-harvest decay of citrus fruits caused by Penicillium digitatum.

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Alternative methods for the control of postharvest citrus diseases

Cited by 195 publications

References 125 publications

The ability of a cold-adapted Rhodotorula mucilaginosa strain from Tibet to control blue mold in pear fruit

The ability of a cold-adapted Rhodotorula mucilaginosa strain from Tibet to control blue mold in pear fruit

Effects of rhizobacteria Paenibacillus polymyxa APEC136 and Bacillus subtilis APEC170 on biocontrol of postharvest pathogens of apple fruits

Potential of some bacteria for biological control of postharvest citrus green mould caused by Penicillium digitatum

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