Several plant pathogenic fungi affect soybean plant health at different growth stages (Table 1). Although infection may occur early, many of these pathogens do not cause apparent symptoms until later growth stages. Frequently seedling health is ignored because plant populations are acceptable and stem and leaves do not express symptoms during early vegetative growth. Phytophthora sojae, Pythium...

Tohumluk seçimi, tarımsal üretimde verim ve kaliteyi etkileyen en önemli hususlardan biridir. Bu çalışmada, ticari olarak tohumluk patates yumrusu üretimi satışı yapan bazı firmalardan alınan farklı çeşit numunelerinde görülen fungal hastalık etmenlerinden Rhizoctonia solani Kühn Fusarium spp.’nin yaygınlık oranları araştırılmıştır. amaçla, özellikle ülkemizde çok sık yetiştiricilikleri yapılan...

in order to detect hydrogen cyanide gene and to determine pseudomonas fluorescent efficiency in producing hydrogen cyanide for controlling the growth of rhizoctonia solanipathogen (the causal agent of sugar beet root and crown rot), samples were collected from sugar beet rhizosphere in sabzevar fields. after soil sampling and purification, 31 pseudomonas spp. isolates were separated on specific...