Treatment^*

Average number of infected plants with

R. solanii, 28 days after planting^**

T1―Seeds not treated and the soil not infested with R. solani

3.85 c

T2―Seeds not treated and the soil infested with R. solani, before planting

48.48 a

T3―Seeds treated with shale water (5%) and the soil infested with R. solani, before planting

28.40 b