New sources of resistance to Sclerotinia stem rot caused by Sclerotinia sclerotiorum in Chinese and Australian Brassica napus and B.juncea germplasm screened under Western Australian conditions

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Abstract

Sclerotinia stem rot, caused by Sclerotinia sclerotiorum, is a serious problem in oilseed rape in China and Australia. Locating effective sources of host resistance offers the best long-term prospects for improved management of this disease. For these reasons, 93 genotypes of Brassica napus and B. juncea from China and Australia were screened in the field for resistance to S. sclerotiorum under semi-field conditions in Western Australia using a stem inoculation test. There were significant differences (P <0.001) among genotypes in relation to the severity of the disease measured as stem lesion length. Among the B. napus genotypes, ZY006 showed outstanding resistance, with a mean stem lesion length of
Original languageEnglish
Pages (from-to)149-152
JournalAustralasian Plant Pathology
Volume38
Issue number2
DOIs
Publication statusPublished - 2009

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