Kishk,, E. (2009). COMPARISON BETWEEN THE EFFECT OF SOME PESTICIDES , BIOCIDES AND BIOAGENTS IN CONTROLLING ONION WHITE ROT DISEASE CAUSED BY Sclerotium cepivorum (BERK). Journal of Plant Protection and Pathology, 34(5), 5381-5392. doi: 10.21608/jppp.2009.188393
E. A. A. Kishk,. "COMPARISON BETWEEN THE EFFECT OF SOME PESTICIDES , BIOCIDES AND BIOAGENTS IN CONTROLLING ONION WHITE ROT DISEASE CAUSED BY Sclerotium cepivorum (BERK)". Journal of Plant Protection and Pathology, 34, 5, 2009, 5381-5392. doi: 10.21608/jppp.2009.188393
Kishk,, E. (2009). 'COMPARISON BETWEEN THE EFFECT OF SOME PESTICIDES , BIOCIDES AND BIOAGENTS IN CONTROLLING ONION WHITE ROT DISEASE CAUSED BY Sclerotium cepivorum (BERK)', Journal of Plant Protection and Pathology, 34(5), pp. 5381-5392. doi: 10.21608/jppp.2009.188393
Kishk,, E. COMPARISON BETWEEN THE EFFECT OF SOME PESTICIDES , BIOCIDES AND BIOAGENTS IN CONTROLLING ONION WHITE ROT DISEASE CAUSED BY Sclerotium cepivorum (BERK). Journal of Plant Protection and Pathology, 2009; 34(5): 5381-5392. doi: 10.21608/jppp.2009.188393
COMPARISON BETWEEN THE EFFECT OF SOME PESTICIDES , BIOCIDES AND BIOAGENTS IN CONTROLLING ONION WHITE ROT DISEASE CAUSED BY Sclerotium cepivorum (BERK)
Plant protection depT., Faculty of Agricultural, Tanta University Egypt.
Abstract
This study was carried out to compare effect of some pesticides and bioagents or biocides in controlling onion root rot disease caused by Sclerotiumcepivorum (Berk) . In the experiment field four fungicides (triflumizole , benomyl , thiophanate-methyl and dimethomorph) , two herbicides (pendimethalin and butralin) , one insecticides (KZ oil) , four bioagents (Trichodermaharzianum , T. viride , Baclliussubtilis and Bacllius pumilius) and four commercial biocides (Plant guard , Biozeid , Bio Arc and Rhizo –N )were applied to control this disease under naturally infested field .The tested compounds were treated as seedling treatment and as spray treatment .The results indicated that fungicides in general were the most effective in reducing disease incidence followed by commercial biocides , herbicides and insecticide (KZ oil) . Also fungicides used were the most effective in increasing plant height , blub diameter , total soluble solids and yield .The best effective biocides was Plant guard followed by Biozeid, Bio Arc and Rhizo –N in controlling onion white root rot disease . The lowest effect was obtained by KZ oil which used mainly as insecticide and herbicides had moderate effect in controlling the disease.
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