International Sugar Journal

Does rotating cultivars with intermediate resistance influence pachymetra root rot of sugarcane?* [Full subscriber]

Abstract         Concerns have been raised by industry members over lower than expected cane yields associated with high oospore levels in sugarcane cultivars rated to have intermediate resistance to pachymetra root rot.  This is a significant issue, as intermediate cultivars represent more than 70% of the sugarcane grown in Australia.  It is possible that planting the same intermediate cultivar in successive crop cycles could lead to increased yield losses due to pachymetra root rot.  This paper examines the residual soil-borne effect of the current major sugarcane cultivars on the following sugarcane crop in three field trials, located in the Herbert, Central…

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