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Type: Conference paper
Title: Integrated disease management of ascochyta blight in pulse crops
Author: Davidson, J.
Kimber, R.
Citation: Proceedings of the1st International Workshop on Ascochyta Blight entitled "Ascochyta 2006", as published in European Journal of Plant Pathology, 2007 / vol.119, iss.1, pp.99-110
Publisher: Springer
Issue Date: 2007
ISSN: 0929-1873
Conference Name: 1st International Workshop on Ascochyta Blight entitled "Ascochyta 2006" (02 Jul 2006 - 06 Jul 2006 : Le Tronchet, France)
Statement of
Jennifer Anne Davidson, Rohan B. E. Kimber
Abstract: Ascochyta blight causes significant yield loss in pulse crops worldwide. Integrated disease management is essential to take advantage of cultivars with partial resistance to this disease. The most effective practices, established by decades of research, use a combination of disease-free seed, destruction or avoidance of inoculum sources, manipulation of sowing dates, seed and foliar fungicides, and cultivars with improved resistance. An understanding of the pathosystems and the inter-relationship between host, pathogen and the environment is essential to be able to make correct decisions for disease control without compromising the agronomic or economic ideal. For individual pathosystems, some components of the integrated management principles may need to be given greater consideration than others. For instance, destruction of infested residue may be incompatible with no or minimum tillage practices, or rotation intervals may need to be extended in environments that slow the speed of residue decomposition. For ascochyta-susceptible chickpeas the use of disease-free seed, or seed treatments, is crucial as seed-borne infection is highly effective as primary inoculum and epidemics develop rapidly from foci in favourable conditions. Implemented fungicide strategies differ according to cultivar resistance and the control efficacy of fungicides, and the effectiveness of genetic resistance varies according to seasonal conditions. Studies are being undertaken to develop advanced decision support tools to assist growers in making more informed decisions regarding fungicide and agronomic practices for disease control.
Keywords: Chickpea; Faba bean; Fungicide; Field pea; Infected seed; Lentil; Infested residue; Resistance; Rotation; Seed dressing
Description: Published online: 27 April 2007
Rights: © KNPV 2007
RMID: 0030058915
DOI: 10.1007/s10658-007-9132-x
Appears in Collections:Agriculture, Food and Wine publications

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