Pseudomonas lachrymans

Hammerschmidt, and R. Bostock. Accumulation of six sesquiterpenoid phytoalexins in tobacco leaves infiltrated with Pseudomonas lachrymans. Phytochemistry 1982 21(12) 2987-2988. 

In addition to this local resistance, biotic agents may induce systemic resistance. Infection of the first true leaf of cucumber plants with Colletotrichum lagenarium immunized other aerial plant parts against infection by lagenarium, Cladosporium cucumerinum and Pseudomonas lachrymans (16). Bean plants appeared systemically protected against Colletotrichum lindemuthlanum when the first leaf had been inoculated with a non-pathogenic race of this fungus or with... 

Cucurbits (cucumbers, melons) anthracnose mosaic angular leaf spot Colletotrichum lagenarium virus Pseudomonas lachrymans 42,43,54 1 10... 

M. E. M. Guedes, J. Kuc, R. Hammerschmldt and R. Bostock, "Accumulation of Six Sesqulterpenold Phytoalexins In Tobacco Leaves Infiltrated with Pseudomonas lachrymans". 

Subsequent colonization patterns, after application of microbes to leaves, appear to be nonrandom. Leben (67) observed that 19-28 days after inoculation of leaf buds of cucumber seedlings with suspensions of Pseudomonas syringae pv. lachrymans the bacterium appeared to be distributed uniformly on the two expanding leaves below the bud (by leaf imprints on a selective medium). However, on older leaves the bacterium was usually distributed nonrandomly, often found associated with epidermal cells on leaf veins and with basal cells of trichomes on veins. Bacterial aggregates were generally less prevalent on older leaves. The distribution on older leaves was thought to be related to leaf moisture (67). Blakeman (79) reported that bacterial or yeast cells immediately after inoculation onto bean leaves (Vicia faba L.) were evenly distributed on anticlinal walls of epidermal cells. Later, differential colonization was detected (79). When... 

Constit. of the O-spedfic polysaccharide of Pseudomonas syringae pv lachrymans strain 7591 (serogroup IX). 

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