one of the growth limiting factors of onion plants is root and basal plate rot disease, caused by fusarium oxysporum f. sp. cepae. in this research, eight iranian onion genotypes, azarshahr red, ghom white, herssin, isfahan dorcheh, kashan white, nishabour ishaghabad, yazd abarkoh, zanjan gholigheseh and two commercial genotypes, texas erly grano and yellow sweet spanish were investigated. geno...

In 2014, glasshouse-grown wasabi (Eutrema japonica) grown in a compost based media displayed symptoms of poor growth and wilting. Visual assessment the roots showed that 25% symptomatic plants sampled had raised black lesions on affecting between 5 20% total root area. To isolate causal agent, affected material (approximately mm3) was surface disinfested sodium hypochlorite (2%) for 30 s, rinse...

root and crown rot of sugar beet caused by rhizoctonia solani ag2-2 is a destructive disease in the main sugar beet growing areas. use of resistant cultivars is the most effective and environmentally safe way to control the disease. in order to find resistant genotypes, 70 sugar beet lines together with resistant and susceptible checks were evaluated against a highly virulent isolate of r.solan...

The root rot disease complex of Meloidogyne hapla Chitwood, 1949 (Nemata: Meloidogynidae) and Rhizoctonia solani Kühn was investigated in 2021 under controlled conditions with different applications on tomato. Three week-old seedlings (cv. Alberty F1) were inoculated M. and/or R. according to priority the applications. After sixty days, parameters plant height, wet weight, numbers gall egg mass...