List of Articles Open Access Article Abstract Page Full-Text 1 - Evaluation of yield and quality of some air-cured tobacco cultivars as affected by root-knot nematode M. incognita race 2 in Golestan province M. Ghasemi S. Nasrollahnejad A. Sajjadi Open Access Article Abstract Page Full-Text 2 - Study on DNA polymorphism in populations of Rhizoctonia solani anastomosis group 4 using rDNA RFLP F. Badpa G.R. Balali B. Sharifnabi Open Access Article Abstract Page Full-Text 3 - Performance of three tolerant air-cured tobacco cultivars when infected by black shank and root-knot nematode in Golestan province M. Shazdehahmadi A. Sajjadi Open Access Article Abstract Page Full-Text 4 - Induction of resistance and changes of phenol and peroxidase in tomato plants treated with Bacillus subtilis and salicylic acid against Fusarium wilt and root-knot diseases S. Dashtipour N. Sahebani H. Aminian Open Access Article Abstract Page Full-Text 5 - Interaction effect of irrigation, calcium and nitrogen on tomato blossom end rot disorder Y. Moshtaghi T. Basirnia F. Karampour Open Access Article Abstract Page Full-Text 6 - Effect of drought stress on Fusarium root rot severity of white bean (Phaseolus vulgaris L.) genotypes M.R. Lak B. Assadi H.R. Dorri