Use of dithiine-tetracarboximides for controlling bacterial harmful organisms in useful plants

A technology of tetraimide and harmful organisms, which is applied in the application field of dithiino-tetraimide for preventing and controlling bacterial harmful organisms in useful plants, and can solve consumer dissatisfaction, non-acceptance, and use restrictions And other issues

Inactive Publication Date: 2015-12-30
BAYER CROPSCIENCE AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, since copper oxychloride accumulates in soil, its phytotoxicity has been discussed, and its use is therefore increasingly restricted
Additionally, cupric oxychloride formulations often leave a noticeable residue on leaves and fruit, which is not acceptable or acceptable to consumers

Method used

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  • Use of dithiine-tetracarboximides for controlling bacterial harmful organisms in useful plants
  • Use of dithiine-tetracarboximides for controlling bacterial harmful organisms in useful plants
  • Use of dithiine-tetracarboximides for controlling bacterial harmful organisms in useful plants

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0177] Embodiment 1——Pseudomonas syringae disease of tomato

[0178] This example illustrates the efficacy of the composition of the invention against Pseudomonas syringae disease (bacterial spot) of tomato.

[0179] A standard experiment was performed in Spain in 2011 to evaluate the performance of BCS-BB98685 against bacterial spotting caused by the bacterium Pseudomonas syringae pv tomato.

[0180] Grow tomato plants in plastic greenhouses. Plots were manually inoculated with bacterial suspensions and treated with the different experimental chemicals using conventional sprayers. Four chemical sprays were applied at intervals of 7 days. Artificial inoculation was performed on day 2 of the third application.

[0181] Three tomato plants per plot were evaluated for disease 11 days after the last application. Infected leaflets were divided into 3 groups according to disease severity (group 1 = 1 spot / leaflet; group 2 = 2-5 spots / leaflet; group 3 = >5 spots / leaflet). Result...

Embodiment 2

[0187] In vitro assays for calculating ED50 values ​​of microorganisms

[0188] 10 [mu]l of test compound dissolved in dimethyl sulfoxide (DMSO) and LB medium was added to wells of a 96-well microtiter plate. Then, 190 μl of LB liquid medium, which had been corrected to have an appropriate concentration of the bacterial suspension, was added to each well.

[0189] The extinction values ​​in all wells were determined by means of a photometer at a wavelength of 620 nm. The liquid in the microplate was then transferred to a shake flask at 28°C and 85% relative humidity overnight.

[0190] At the end of the inoculation, the growth of the test organisms was measured again with a photometer at a wavelength of 620 nm. The difference between the two extinction values ​​(measured before and after inoculation) is proportional to the growth of the test organism.

[0191] Dose-response curves were calculated from the delta extinction data from the various assay concentrations and the d...

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Abstract

The present invention relates to the use of dithiine-tetracarboximides of formula (I) for controlling selected bacterial harmful organisms in useful plants, wherein the bacterial harmful organisms are selected from the group consisting of Acidovorax avenae, Burkholderia spec., Burkholderia glumae, Candidatus Liberibacter spec., Candidatus Liberibacter asiaticus, Corynebacterium, Erwinia spec. (Dickeya, Pectobacterium carotovorum, Erwinia amylovora), Pseudomonas syringae, Pseudomonas syringae pv. actinidae, Pseudomonas syringae pv. glycinea, Pseudomonas syringae pv. tomato, Pseudomonas syringae pv. lachrymans, Pseudomonas tumefaciens (=Agrobacterium tumefaciens), Streptomyces spp., Xanthomonas spp., Xanthomonas ampelina, Xanthomonas axonopodis, Xanthomonas axonopodis pv. citri, Xanthomonas axonopodis pv. glycines, Xanthomonas campestris, Xanthomonas campestris pv. musacearum, Xanthomonas campestris pv. pruni, Xanthomonas campestris pv. Viticola, Xanthomonas fragariae and Xanthomonas transluscens or Xylella fastidiosa. The present invention also relates to a method for controlling the selected bacterial harmful organisms in useful plants by treatment with a dithiine-tetracarboximides of formula (I).

Description

[0001] The present invention relates to the use of a dithiine-tetracarboximide of formula (I) for controlling selected bacterial pests in useful plants, wherein the bacterial pests are selected from the group consisting of oats Acidovoraxavenae, Burkholderia spec., Burkholderiaglumae, CandidatusLiberibacterasiaticus, Corynebacterium Corynebacterium, Erwinia spec. (Dickeya, Pectobacterium carotovorum, Erwinia amylovora), Pseudomonas syringae, Pseudomonas syringae kiwi Pseudomonassyringaepv.actinidae, Pseudomonas syringaepv.glycinea, Pseudomonassyringaepv.tomato, Pseudomonassyringaepv.tomato, Pseudomonassyringaepv. Pseudomonassyringaepv.lachrymans), Pseudomonastumefaciens (=Agrobacterium tumefaciens), Streptomycesspp., Xanthomonas spp., Xanthomonas vinifera (Xanthomonasampelina), Xanthomonas axonopodis, Xanthomonas axonopodispv.citri, Xanthomonas axonopodispv.glycines, Xanthomonas axonopodispv.glycines, Xanthomonas campestris, Xanthomonas campestrispv.musacearum, Xanthomonas cam...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/90A01P15/00
CPCA01N43/90C07D495/14
Inventor T·塞茨C·A·布劳恩
Owner BAYER CROPSCIENCE AG
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