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apple scab

Susceptibility to Apple Scab, Nectria Cancer and Powdery Mildew of Different Unsprayed Apple Varieties

Susceptibility to Apple Scab, Nectria Cancer and Powdery Mildew of Different Unsprayed Apple Varieties

... Twentyfive apple varieties were evaluated for Apple scab (Venturia inaqualis), Nectria canker (Nectria galligena) and Powdery mildew (Podosphaera leucotricha) for 4 to 7 ...of apple ...

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Non- Chemical Management of Apple Scab- A Global Perspective

Non- Chemical Management of Apple Scab- A Global Perspective

... in apple orchards worldwide. In order to manage apple scab and produce a marketable crop, growers across the globe have relied on 10 to 18 applications of synthetic chemicals at an annual cost of ...

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Evaluation of grapefruit seed extract as natural fungicide to control apple scab in organic apple growing

Evaluation of grapefruit seed extract as natural fungicide to control apple scab in organic apple growing

... C-pro, an experimental fungicide based on grapefruit seed extract was compared to copper oxychloride for the control of apple scab in a field trial. Efficacy and possible phytotoxic effects where accessed. ...

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Innovative strategies for the control of apple scab (Venturia inaequalis [Cke ] Wint ) in organic apple production

Innovative strategies for the control of apple scab (Venturia inaequalis [Cke ] Wint ) in organic apple production

... organic apple production. One of the main components of successful organic apple production in a humid environment is the control of scab (Venturia inaequalis [Cooke] ...against apple ...

196

Investigations on alternative substances for control of apple scab   Results from Conidia germinating tests and experiments with plant extracts

Investigations on alternative substances for control of apple scab Results from Conidia germinating tests and experiments with plant extracts

... M OOSEXTRAKT , S ILIO P LANT und FZB 24 did not show sufficient efficacy with the application schedule used for control of scab. Mixtures of Quillaja-saponine and sulphur reduced effectively apple ...

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Control of apple scab by curative applications of biocontrol agents

Control of apple scab by curative applications of biocontrol agents

... The mixture of Netzschwefel Stulln and either Vitisan or OmniProtect showed a high efficiency during the germination period and a curative action until 24 hours after inoculation. When used combined with wettable ...

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A genetic linkage map of Venturia inaequalis, the causal agent of apple scab

A genetic linkage map of Venturia inaequalis, the causal agent of apple scab

... annual epidemics of apple scab [1]. The fungus is a haploid organism with seven chromosomes [2] and is a heterothallic ascomycete with an annual cycle of sexual reproduction on infected apple leaf ...

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Formulated and unformulated carbonates to control apple scab
(Venturia inaequalis) on organic apple

Formulated and unformulated carbonates to control apple scab (Venturia inaequalis) on organic apple

... To compare the different treatments, a randomized complete block design with 4 replicates per treatment and with 7 trees per plot was used. To prevent border effects, each plot was bounded by guard trees and guard rows. ...

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A genetic linkage map of Venturia inaequalis, the causal agent of apple scab

A genetic linkage map of Venturia inaequalis, the causal agent of apple scab

... Venturia inaequalis is a fungal pathogen of major eco- nomic importance, causing annual epidemics of apple scab [1]. The fungus is a haploid organism with seven chromosomes [2] and is a heterothallic ...

6

New approaches in biological control of apple scab

New approaches in biological control of apple scab

... Apple scab caused by Venturia inaequalis is the major disease in European organic apple ...of apple scab may offer alternative options for disease ...during scab epidemics in ...

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Screening of organically based fungicides for apple scab (Venturia inaequalis) control and a histopathological study of the mode of action of a resistance inducer

Screening of organically based fungicides for apple scab (Venturia inaequalis) control and a histopathological study of the mode of action of a resistance inducer

... Apple scab (Venturia inaequalis ...for apple scab control are presently available for use by organic growers, and while protective, copper-based fungicides and lime-sulphur are allowed in most ...

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Evaluation of the users value of salts against apple scab and powdery mildew for fruit production

Evaluation of the users value of salts against apple scab and powdery mildew for fruit production

... The trial setup of the powdery mildew trial resembles that of the apple scab trial. The only difference concerns the reference chemical fungicide used. As dithianon has no effect on powdery mildew, other ...

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A Cluster of Four Receptor-Like Genes Resides in the Vf Locus That Confers Resistance to Apple Scab Disease

A Cluster of Four Receptor-Like Genes Resides in the Vf Locus That Confers Resistance to Apple Scab Disease

... kb in size were harvested from a 1% agarose gel using a QIAEX able in adult plants only (Parniske et al. 1997). II gel extraction kit (QIAGEN) and then ligated into a BamHI- Apple scab, incited by the ...

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Results in research on lime sulphur and other products to control apple scab under northern German climate conditions

Results in research on lime sulphur and other products to control apple scab under northern German climate conditions

... six apple scab control strategies were tested, three with only lime sulphur in different application strategies, another three strategies with different amounts of ...organic apple orchard near ...

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Practical experience with the use of Baking Powder (potassium bicarbonate) for the control of Apple Scab (Venturia ineaqualis)

Practical experience with the use of Baking Powder (potassium bicarbonate) for the control of Apple Scab (Venturia ineaqualis)

... control scab on apple and ...on apple scab, powdery mildew and sooty ...on apple scab, the use within organic agriculture is approved by IFOAM, and that an American company is ...

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Efficacy loss of strobilurins used in protection against apple scab in Czech orchards

Efficacy loss of strobilurins used in protection against apple scab in Czech orchards

... Apple scab is the major disease in apple tree or- chards worldwide caused by ascomycete Venturia inaequalis (Cooke) ...in apple protec- tion (Williams, Kuc ...

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Investigations on alternative substances for control of apple scab   results from sanitation trials

Investigations on alternative substances for control of apple scab results from sanitation trials

... The intention of this research project, which was supported within the "Bundesprogramm Ökolo- gischer Landbau", was to look for alternatives in organic fruit growing to control apple scab, Venturia ...

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Resistance management in Vf apple scab resistant organic apple orchards

Resistance management in Vf apple scab resistant organic apple orchards

... of apple scab lesions on Vf resistant varieties in ...of apple scab have been found on the varieties Priam, Prima, Priscilla and Sir Pize on the former experimental orchard De ...first ...

5

Strategic irrigation against apple scab

Strategic irrigation against apple scab

... on apple and pear, caused by the ascomycete Venturia inaequalis and ...in apple production is related with control of fungal diseases, in which apple scab has a share of 70 ...against ...

427

Strategic irrigation can reduce apple scab (Venturia inaequalis (Cke )Wint )

Strategic irrigation can reduce apple scab (Venturia inaequalis (Cke )Wint )

... Another question to consider in order to achieve valid data, is how far do ascospores normally fly? Burchill (1966) has stated that scab was never detected 15 m beyond the source of ascospores. Kaplan (1986) ...

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