Amendment of soil with lime or gypsum and its effect on cavity spot disease of carrots (Daucus carota L.) caused by Pythium coloratum

K.A. El-Tarabily; G.E.St.J. Hardy; K. Sivasithamparam; A.G. McKay

doi:10.1071/EA96081

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Amendment of soil with lime or gypsum and its effect on cavity spot disease of carrots (Daucus carota L.) caused by Pythium coloratum

Journal article

Peer reviewed

Amendment of soil with lime or gypsum and its effect on cavity spot disease of carrots (Daucus carota L.) caused by Pythium coloratum

K.A. El-Tarabily, G.E.St.J. Hardy, K. Sivasithamparam and A.G. McKay

Australian Journal of Experimental Agriculture, Vol.37(2), pp.265-270

1997

DOI: https://doi.org/10.1071/EA96081

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Abstract

Glasshouse trials were conducted to examine the effect of lime or gypsum amendments on the development of cavity spot disease of carrots in soil artificially infested with Pythium coloratum. Each amendment was applied to soil from the field at 4000 or 8000 kg/ha. Lime at both application rates significantly (P<0.05) reduced the incidence of the disease. In contrast, both gypsum treatments had no effect on the incidence of cavity spot disease. There was no significant (P>0.05) difference in calcium concentration between carrot roots grown in unamended, lime- or gypsum-amended soil with or without the pathogen. Calcium did not appear to play a direct role in the reduction of cavity spot disease. Under the controlled conditions of this glasshouse trial, reduction in the incidence of cavity spot appeared to be related to the increase in soil pH associated with the application of lime. Field trials at the site of soil collection will confirm whether this mechanism is related to field reduction of the disease following liming.

Details

Title: Amendment of soil with lime or gypsum and its effect on cavity spot disease of carrots (Daucus carota L.) caused by Pythium coloratum
Authors/Creators: K.A. El-Tarabily (Author/Creator)
G.E.St.J. Hardy (Author/Creator)
K. Sivasithamparam (Author/Creator) - School of Earth and Environment
A.G. McKay (Author/Creator)
Publication Details: Australian Journal of Experimental Agriculture, Vol.37(2), pp.265-270
Publisher: Commonwealth Scientific and Industrial Research Organization Publishing
Identifiers: 991005540778307891
Murdoch Affiliation: School of Biological and Environmental Sciences
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration
Citation topics: 3 Agriculture, Environment & Ecology; 3.97 Plant Pathology; 3.97.1439 Phytophthora Management
Web Of Science research areas: Agriculture, Multidisciplinary
ESI research areas: Agricultural Sciences