The Release of Ascospores of Apple Scab by Dew

Moore, M. H.

doi:10.1111/j.1365-3059.1958.tb00806.x

Cited by 18 publications

(10 citation statements)

References 1 publication

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“…There were no ascopores detected on the leaves or by the spore trap on these nine occasions during 1961 and 1962. This confirms the evidence provided by Moore (1958) about the role of dew in ascospore infections. The wet period marked X in Fig.…”

supporting

confidence: 90%

Continuous Testing for Scab Infection Weather Using Apple Rootstocks

Preece

1964

Plant Pathology

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supporting

confidence: 90%

Continuous Testing for Scab Infection Weather Using Apple Rootstocks

Preece

1964

Plant Pathology

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“…40 µm), resulting in discharged ascospores becoming trapped within the dew film. This entrapment is supported by two lines of evidence in previous literature: (i) with the exception of a single study from Norway (77), airborne ascospores are rarely trapped during periods of dew, and (ii) ascospores have been found abundantly in the film of dew on leaf litter without accompanying airborne catches (54,57).…”

Section: Saprophytismsupporting

confidence: 60%

Parasitic and Biological Fitness of Venturia inaequalis: Relationship to Disease Management Strategies

2001

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Fig. 1. Small, undifferentiated stroma of Venturia inaequalis between the host cell wall and cuticular membrane. Ap, appressorium; CM, cuticular membrane; EC, epidermal cell; HCW, host cell wall; MS, mucilaginous substance; St, stroma (83). Reprinted by permission. Fig. 2. "The Supper at Emmaus" by Michelangelo M. da Caravaggio, painted c. 1600. Enlargement of the basket of fruit shows clearly several scab lesions on the apples. Published by kind permission of the Trustees of the National Gallery, London.

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“…Effects of dew have been examined by several workers, and Moore (1958) found that dew can cause ascospore release. Hirst and Stedman (1962) trapped a few ascospores during nights of recorded dew.…”

Section: Discussionmentioning

confidence: 99%

Effects of light, temperature, and moisture on release of ascospores byVenturia inaequalis(Cke.) Wint.

Brook¹

1969

New Zealand Journal of Agricultural Research

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Ascospores of Venturia inaequalis (eke.) Wint. are not released from perithecia unless the perithecia are wetted. Greater numbers of ascospores are released when wetting occurs in light than when it occurs in darkness. Greater numbers are released when perithecia have been warm, or in a humid atmosphere, before they are wetted, than when they have been cold, or in a dry atmosphere before they are wetted. High numbers of ascospores in orchard air associated with daytime rains, compared with the low numbers associated with night rains or dew, are the result of the influence of light and of higher temperatures on ascospore release.

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The Release of Ascospores of Apple Scab by Dew

Cited by 18 publications

References 1 publication

Continuous Testing for Scab Infection Weather Using Apple Rootstocks

Continuous Testing for Scab Infection Weather Using Apple Rootstocks

Parasitic and Biological Fitness of Venturia inaequalis: Relationship to Disease Management Strategies

Effects of light, temperature, and moisture on release of ascospores byVenturia inaequalis(Cke.) Wint.

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