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241009s2024 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-01-24-0015-RE
|2 doi
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|a eng
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|a Gómez-de la Cruz, Irene
|e verfasserin
|4 aut
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|a Biocontrol of Hemileia vastatrix, the Causal Agent of Coffee Leaf Rust, by Paenibacillus sp. NMA1017
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|c 2024
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|a Text
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|a Date Completed 29.10.2024
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|a Date Revised 29.10.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Coffee leaf rust (CLR), caused by Hemileia vastatrix, is considered a highly important phytosanitary problem in Mexico. Currently, there are few microorganisms used as biocontrol alternatives to chemical control of CLR in organic coffee fields in Mexico. This study evaluates the use of Paenibacillus sp. NMA1017 as a biocontrol agent to inhibit the development of H. vastatrix in in vitro and in vivo (greenhouse) experiments. Hemileia vastatrix urediniospores were placed on water agar plates, and then Paenibacillus sp. NMA1017 was inoculated simultaneously or 8 h later. Urediniospores germination rate was reduced by 94% when the NMA1017 strain was inoculated simultaneously with the urediniospores and reduced by 38% when NMA1017 was inoculated 8 h later. Experiments with 8-month-old Bourbon coffee plants that were infected with H. vastatrix showed that disease incidence was reduced by 38, 90, and 50% when NMA1017 was applied 8 days before, simultaneously, or 8 days after the application of H. vastatrix, respectively. Paenibacillus sp. NMA1017 also reduced the severity of CLR on the leaves by up to 62%. The germination urediniospores of other rust pathogens such as Puccinia sorghi (maize leaf rust), Puccinia triticina (wheat leaf rust), Puccinia graminis f. sp. tritici (black stem rust of wheat), Uromyces striatus (alfalfa leaf rust), and Phragmidium sp. (rosebush leaf rust) were also inhibited. Use of the potential biocontrol agent Paenibacillus sp. NMA1017 might help reduce the application of chemical fungicides for the control of CLR, making coffee a more sustainable crop and providing management options for organic coffee growers
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|a Journal Article
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|a Coffea arabica
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| 650 |
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|a Hemileia vastatrix
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| 650 |
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4 |
|a Paenibacillus
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| 650 |
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4 |
|a biocontrol
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|a coffee leaf rust
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| 650 |
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7 |
|a Biological Control Agents
|2 NLM
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1 |
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|a Martínez-Bolaños, Misael
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chávez-Ramírez, Belén
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Estrada-de Los Santos, Paulina
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Plant disease
|d 1997
|g 108(2024), 10 vom: 09. Okt., Seite 3163-3169
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnns
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|g volume:108
|g year:2024
|g number:10
|g day:09
|g month:10
|g pages:3163-3169
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|u http://dx.doi.org/10.1094/PDIS-01-24-0015-RE
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