A broad look at charcoal rot in the Northern Region broadacre crops through soil sampling and in-crop surveys

Adorada, D. L. and Gonzales, P. and McKay, A. and Vaghefi, N. and Sparks, A. H. (2018) A broad look at charcoal rot in the Northern Region broadacre crops through soil sampling and in-crop surveys. In: 10th Australasian Soilborne Diseases Symposium: Paddock to Plates, 4-8 Sept 2018, Adelaide, Australia.

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Abstract

Macrophomina phaseolina (Tassi) Goid. is a generalist
soil-born pathogen, which is endemic to Australia. The
pathogen has a broad host-range of both monocot and
dicot plant species which include numerous weed and
crop plant species (1, 2). The disease is most commonly
identified with summer crops, e.g. soybean, sorghum,
sunflower, maize and mungbean (3) and occurs most
often when hot, dry conditions occur during the growing
season. Current estimates predict that north-eastern
Australia will become hotter and dryer as a result of
climate change (4, 5). Thus, it is likely that conditions
favouring the development of this disease will become
more common in the future. However, to date, no work
has been done to determine the extent of the
pathogen’s presence in Australian soils, in-paddock
spatial variability, or the occurrence of the disease as
correlated with pathogen presence and population
levels. In this paper, we present findings from soil
sampling and end-of-season disease assessments in
sorghum paddocks across northern New South Wales
(NNSW), south eastern Queensland (SEQ) and central
Queensland (CQ) during the 2016/17 and 2017/18
summer cropping seasons.


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Item Type: Conference or Workshop Item (Commonwealth Reporting Category E) (Lecture)
Refereed: Yes
Item Status: Live Archive
Additional Information: Only Abstract published.
Faculty/School / Institute/Centre: Current - Institute for Life Sciences and the Environment - Centre for Crop Health
Date Deposited: 07 May 2019 03:07
Last Modified: 24 Jun 2019 05:56
Fields of Research : 06 Biological Sciences > 0607 Plant Biology > 060704 Plant Pathology
07 Agricultural and Veterinary Sciences > 0703 Crop and Pasture Production > 070308 Crop and Pasture Protection (Pests, Diseases and Weeds)
Socio-Economic Objective: D Environment > 96 Environment > 9604 Control of Pests, Diseases and Exotic Species > 960403 Control of Animal Pests, Diseases and Exotic Species in Farmland, Arable Cropland and Permanent Cropland Environments
URI: http://eprints.usq.edu.au/id/eprint/35396

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