Management of melon bacterial blotch by plant beneficial bacteria

Medeiros, Flávio Henrique Vasconcelos de; Moraes, Iale S. F.; Neto, Edson B. da Silva; Silveira, Elineide Barbosa da; Mariano, Rosa de Lima Ramos

doi:10.1007/s12600-009-0063-2

Cited by 24 publications

(14 citation statements)

References 24 publications

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“…Biological control has been previously explored for BFB management (9,25,41). Fessehaie and Walcott (9) demonstrated that seed treatments with A. avenae (formerly A. avenae subsp.…”

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confidence: 99%

Efficacy of a Nonpathogenic Acidovorax citrulli Strain as a Biocontrol Seed Treatment for Bacterial Fruit Blotch of Cucurbits

Johnson

Minsavage

et al. 2011

Plant Disease

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Johnson, K. L., Minsavage, G. V., Le, T., Jones, J. B., and Walcott. R. R. 2011. Efficacy of a nonpathogenic Acidovorax citruiii strain as a biocontrol seed treatment for bacterial fruit blotch of cucurbits. Plant Dis. 95;697-704.Bacterial fruit blotch (BFB), cau.sed by the seedbome, gram-negative bacterium Acidovorax citruiii, is a serious threat to cucurbit seed and fruit production worldwide. Because of the lack of effective management strategies, we investigated the efficacy of a nonpathogenic A. citrutli strain as a biological control seed treatment for BFB. For this study, we generated a type III secretion system mutant of A. citruiii, AACOO-lA/ircC, that was nonpathogenic on watermelon but retained its ability to colonize germinating watermelon seed. With watermelon seed naturally infested with A. citruUi, AACOO-lA/ircC reduced BFB seedling transmission by 81.8% relative to control seed. In comparison.another A. citruiii antagonist, ,4. avenae strain AAA 99-2, reduced BFB seedling transmission by 74.6% for seed samples from the same lot. Additionally, when female watermelon blossoms were protected with AACOO-lA/iirC and subsequently challenged with AAC()O-1, the resulting seedlots displayed 8% BFB seedling transmission. This was not significantly different than seed from blossoms protected with AAA 99-2 (4%) but significantly less than those from blossoms protected with 0.1 M phosphate-buffered saline (36%). These results .suggest that nonpathogenic A. citruiii has potential as a biological control seed treatment component in a comprehensive BFB management program.

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“…Biological control has been previously explored for BFB management (9,25,41). Fessehaie and Walcott (9) demonstrated that seed treatments with A. avenae (formerly A. avenae subsp.…”

mentioning

confidence: 99%

Efficacy of a Nonpathogenic Acidovorax citrulli Strain as a Biocontrol Seed Treatment for Bacterial Fruit Blotch of Cucurbits

Johnson

Minsavage

et al. 2011

Plant Disease

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“…Mengulluoglu and Soylu (2012) showed that thyme and origanum essential oils inhibited Acidovorax citrulli population in in vitro petri assays. Fessehaie and Walcott (2005), Oliveira et al (2006), Medeiros et al (2009), andWang et al (2009) indicated that using antagonistic bacteria or yeasts is promising to manage bacterial fruit blotch disease. Our ongoing studies will be focused on the determination of Acidovorax citrulli isolates from infected watermelon and melon in the nurseries or fields in order to reveal the genetic relationships, epidemiology of the disease in the region, and to propose the disease management strategies.…”

Section: Discussionmentioning

confidence: 99%

Occurrence, isolation, and identification of Acidovorax citrulli from Melon in Turkey

et al. 2014

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Horuz S., Cetinkaya-Yildiz R., Mirik M., Aysan Y. (2014): Occurrence, isolation, and identification of Acidovorax citrulli from Melon in Turkey. Plant Protect. Sci., 50: 179-183.During February and August of 2010 and 2011, disease symptoms were detected in melon (Cucumis melo cv. Surmeli) fields and commercial nurseries in Adana and Mersin provinces (Eastern Mediterranean Region, Turkey). Lesions on leaves and fruits were observed in nearly 75 and 85 acres production areas of melon in 2010 and 2011, respectively. Initial symptoms were water-soaked irregular spots, light brown to reddish spots advancing through veins on leaves, small water-soaked lesions, greasy, dark olive green colour areas on the surfaces of melon fruit followed by brown lesions, softening, and cracks. Thirty-five non-fluorescent, slow-growing, round, cream and Gram-negative bacterial isolates were isolated from symptomatic plant materials. The pathogenicity of the isolates was proved using melon seedlings and fruits. According to classical, serological, and molecular assays, the causal organism was identified as Acidovorax citrulli. To the best of our knowledge, this is the first report and occurrence of bacterial fruit blotch disease on melon as a new host in Turkey.

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“…A total of 208 endospore-forming isolates from rhizospheric soil and 153 from root endophytes were obtained in this study. Additionally, the bacterial isolate Paenibacillus lentimorbus MEN2 obtained from roots of Cucumis melo by Rosa Mariano was included in our screening 16 as well as six other strains from our collection that were efficient in other experiments.…”

Section: Screening Bacterial Isolatesmentioning

confidence: 99%

Screening of Endospore-Forming Bacteria for Cotton Seed Treatment against Bacterial Blight and Damping-off

damping-off¹

2015

APAR

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Under conventional seed treatment, reports of efficacy loss or activity on non-target microorganisms foster the search for sustainable disease management alternatives. Biological seed treatment has been meeting these requirements and exerts benefits that go beyond plant health. Looking for those alternatives, 368 Endospore-forming bacterial strains were screened for the control of bacterial blight and damping-off, caused by Xanhomonas axonopodis pv. malvacearum and Colletotrichum gossypii var. cephalosporioides, respectively. From the sampled sites, the strains with the highest bacterial blight and damping-off control were obtained from Primavera do Leste and Campo Verde (MT), respectively. Those had the potential to control both diseases were obtained from Primavera do Leste. Consistent disease control with seed treatment was found with two strains: Bacillus subtilis UFLA285 and Paenibacillus lentimorbus MEN2 with disease symptoms reduced by 45 and 56%, respectively for damping-off and 26 and 76%, respectively for bacterial blight. Therefore beneficial bacteria are a plausible alternative for a sustainable disease control.

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Management of melon bacterial blotch by plant beneficial bacteria

Cited by 24 publications

References 24 publications

Efficacy of a Nonpathogenic Acidovorax citrulli Strain as a Biocontrol Seed Treatment for Bacterial Fruit Blotch of Cucurbits

Efficacy of a Nonpathogenic Acidovorax citrulli Strain as a Biocontrol Seed Treatment for Bacterial Fruit Blotch of Cucurbits

Occurrence, isolation, and identification of Acidovorax citrulli from Melon in Turkey

Screening of Endospore-Forming Bacteria for Cotton Seed Treatment against Bacterial Blight and Damping-off

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