Abstract Angular leaf spot（ALS）of cucumber is a serious bacterial disease recently occurred in
greenhouses．This paper mainly introduced the identification and detection of its pathogenic bacteria，
identifying method of disease resistance；studied on inheritance rule and genetic mapping of genes with
disease resistance；screened disease resistant germplasm resources and control measures，etc．The paper
also discussed the problems existing in current research fields and prospected for the future，hoping to provide
references for the screening and utilization of ALS-resistant germplasm resources，mapping of disease
resistance gene and breeding cucumber with ALS-resistance．
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Received: 08 June 2020
Published: 19 September 2020
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