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crown rot inoculum level

Catalogue: GRDC Media
Think long-term on soilborne root diseases.. "When soil moisture and nutrition is adequate, cereal plants may be able to do quite well even in the presence of high inoculum levels," said Department of Agriculture and Food WA (DAFWA) plant pathologist Daniel H berli, who conducts Grains Research and Development Corporation (GRDC) funded research into soilborne diseases... "The danger is that growers might be unaware that high disease inoculum levels are present and the diseases might cause significant damage to cereal crops during a dry spring or in subsequent drier years...
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Catalogue: GRDC Media
Pre-sowing assessment of crown rot inoculum levels in paddocks is critical if growers and consultants are to avoid "flying blind" on agronomic management and maximise winter crop production potential... "Following below average summer rainfall for 2013-14 we undertook a Crown Analytical Stubble test for one of our clients near Edgeroi leading into the dry 2014 winter crop season as well as a PreDicta B test to assess Crown rot and nematode levels," Mr Miller said... "Following the results some necessary rotational adjustments to the farm program were made including selecting canola to assist in stubble degradation and the selection of a more crown rot tolerant wheat cultivar, Impala...
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Catalogue: GRDC Final Reports
Kukri Aprovided a useful level of resistance to crown rot and raised soil inoculum levels of crown rot less than Frame .A Canopy management treatments were inconclusive but were promising enough to be pursued in 2005... Soil sampling methods for assessing crown rot inoculum levels in the soil and the risk categories associated with those inoculum levels need to be reviewed for Eyre Peninsula (EP) and other low rainfall, light soil regions... More research is needed to explore the relative contribution of varietal resistance levels and of plant material produced to this effect of varieties and crops on soil inoculum levels...
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