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canola grain production

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Catalogue: GRDC Updates (West)
Blackleg and its management has become an important issue for canola in the coming seasons... As most of the canola cultivars, irrespective of the level of their adult plant resistance, are susceptible to infection by the fungus at the seedling stage (may be termed as 'seedling susceptibility window') and consequent canker formation the timing of ascospore release in relation to the onset of adult plant resistance provides information on the risk of blackleg... The risk of blackleg appears to be both location and season specific...
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Catalogue: GRDC Final Reports
Critical soil test values for canola grain production in the field (mg/kg for top 10cm of soil) were <60 for Colwell potassium (K), <7 for KCl-40 sulphur (S), and <15 for Colwell phosphorus (P)... The effect of fertiliser K and N on canola grain yields and concentration of oil and protein in grain were measured in 10 field experiments in south-western Australia... The effect of fertiliser P and N on grain yields and concentration of oil and protein in grain of canola were measured in eight field experiments located on soils deficient in P and N. Six amounts of P (0-40kg P/ha) and four amounts of N (0-138kg N/ha) were applied...
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