Hood, M. E., and Shew, H. D. 1996. Pathogenesis of Thielaviopsis basi cola on a susceptible and a resistant cultivar of burley tobacco. Phytopa thology 86:38-44. cells of TN90 was very restricted compared to a more diffuse amber region on B2IxIO. Hyphae advanced from the necrotic regions into asymptomatic cells on B2IxIO, but hyphae were limited to discolored cells on TN90. Sporulation was prol...

Rhizoctonia oryzae causes root rot and stunting of wheat, barley, and other small grains, and is widely distributed in eastern Washington State. The spatial distribution of both the pathogen and the disease were studied over two seasons in a 36-ha field north of Pullman, Wash. The field was direct seeded with spring barley in 2000, then divided and planted to winter wheat and spring wheat in 20...

While fungicides may be a major mechanism for control of avocado root rot, integrated management requires several other non-fungicidal approaches which are used together to maximize root rot control. Non-fungicidal methods of control include planting clean avocado nursery stock, selecting low hazard sites, planting on mounds in more hazardous sites, preventing the introduction of P. cinnamomi, ...

VATCHEV, T. D., 2015. Fusarium root and stem rot of greenhouse cucumber: aerial distribution of inoculum. Bulg. J. Agric. Sci., 21: 650–654 Fusarium root and stem rot is one of the most damaging diseases of greenhouse cucumber. This study reveals development and spread of airborne inoculum of Fusarium oxysporum f. sp. radicis-cucumerinum the causal agent of the disease. Infective propagules of ...