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Species Lactuca sativa
Crop Lettuce
Pest Scientific Name Xanthomonas axonopodis pv. vitians
Additional Info
Complementary Info Synonym: Xanthomonas campestris pv. vitians
Type Bacterium
Pest Classification Is seed a pathway in this crop? Pathway not proven
Main literature references 6-29, 6-30, 6-33, 6-72, 6-94, 6-95, 6-96
Remarks There are several references indicating seed as a pathway when plants were experimentally inoculated with the pathogen. No references found showing seed as a pathway in natural seedlots. Crop debris and weeds might be more important natural sources of inoculum. A quality systems approach in production of the seeds by crop inspections should reduce the chances of seed contamination.
Detection Is there a seed test? Yes
If yes, type of test Seed wash
Main literature references 6-115, 6-116
Remarks A seed test using dilution plating on selective media is commercially available.
Risk mitigation Can the pest be managed by seed treatment(s)? Yes
If yes, what type(s) Chemical (seed disinfection)
Main literature references 6-30, 6-31
Remarks Seed treatment experiments have been done on artificially inoculated seed.

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