Clavibacter michiganensis subsp. (Cmm), is a devastating bacterial disease agent causing wilt and canker in tomatoes. There no definitive solution to prevent yield losses by Cmm Moreover, there currently commercially successful resistant tomato cultivar on the market. Therefore, we aimed determine tolerance level of some accessions present study. For this purpose, screened seven representing fo...

The Polygonum orientale L. extracts were investigated for antibacterial activity against Clavibater michiganense subsp. sepedonicum (Spieckermann & Kotthoff) Davis et al., the causal agent of a serious disease called bacterial ring rot of potato. The results showed that the leaf extracts of P. orientale had significantly (p<0.05) greater antibacterial activity against C. michiganense subsp. sep...

Colour mutants of the tomato pathogen, Coynebacterium michiganense, provided an opportunity to determine the nature of this micro-organism's pigments, and the effect of mutation and nutrition thereon. The major pigments of C. michiganense are carotenoids. The parent and mutant strains show distinct qualitative differences in pigment synthesis. The naturally occurring yellow parent type produces...