Non-differential interaction between isolates of Rhizoctonia solani and flax cultivars

Aly A. Aly Ezzat M. Hussein Amal A. Asran Ola G.H. El-Hawary Ahmed A. Mosa Mohamed H. Mostafa 


Abstract


The pathogenicity of 24 isolates of Rhizoctonia solani (7 isolates from anastomosis group AG-2 and 17 from AG-4) was evaluated on 10 flax cultivars under greenhouse conditions. Survival, plant height, and dry weight were used as criteria to evaluate pathogenicity. Analysis of variance (ANOVA) showed that the cultivar was a highly significant source of variation in all the tested parameters (P< 0.0002). Isolate was always a highly significant source of variation in all the tested parameters (P= 0.0000). Cultivar x isolate interaction was always a nonsignificant source of variation. The results of the ANOVA in the present study suggest that physiologic specialization did not occur within R. solani isolates pathogenic on flax. They also imply that resistance of the tested cultivars was only horizontal, and there were significant differences among cultivars in this type of resistance. Similarly …


Other data

Keywords Rhizoctonia solani ; flax cultivars
Issue Date 2013
Publisher Um Skemmuna
Journal Icelandic Journal of Agricultural Science 26, 37-44 
URI http://research.asu.edu.eg/123456789/645
DOI http://hdl.handle.net/1946/19711


File Description SizeFormat 
Aly et al 2013.pdfTitle: Non-differential interaction between isolates of Rhizoctonia solani and flax cultivars292.06 kBAdobe PDFView/Open
Recommend this item

CORE Recommender
10
Views

1
Downloads


Items in Ain Shams Scholar are protected by copyright, with all rights reserved, unless otherwise indicated.