El-Sayed, S. (2011). CONTROL OF FABA BEAN ROOT ROT DISEASE BY USING MICRO-ELEMENTS AND THE FUNGICIDE, RHIZOLEX-T. Journal of Plant Protection and Pathology, 2(3), 295-304. doi: 10.21608/jppp.2011.86422
Sahar A. El-Sayed. "CONTROL OF FABA BEAN ROOT ROT DISEASE BY USING MICRO-ELEMENTS AND THE FUNGICIDE, RHIZOLEX-T". Journal of Plant Protection and Pathology, 2, 3, 2011, 295-304. doi: 10.21608/jppp.2011.86422
El-Sayed, S. (2011). 'CONTROL OF FABA BEAN ROOT ROT DISEASE BY USING MICRO-ELEMENTS AND THE FUNGICIDE, RHIZOLEX-T', Journal of Plant Protection and Pathology, 2(3), pp. 295-304. doi: 10.21608/jppp.2011.86422
El-Sayed, S. CONTROL OF FABA BEAN ROOT ROT DISEASE BY USING MICRO-ELEMENTS AND THE FUNGICIDE, RHIZOLEX-T. Journal of Plant Protection and Pathology, 2011; 2(3): 295-304. doi: 10.21608/jppp.2011.86422
CONTROL OF FABA BEAN ROOT ROT DISEASE BY USING MICRO-ELEMENTS AND THE FUNGICIDE, RHIZOLEX-T
Plant Pathology Research Inst., Agric. Res. Center, Giza, Egypt.
Abstract
Some microelements, namely zinc, manganese and calcium were used singly or in combination with typical fungicide, Rhizolex-T 50 to investigate their effect towards the control of faba bean root-rot caused by Rhizoctonia solani. Laboratory, greenhouse and field studies were conducted during 2008/2009 & 2009/2010 seasons using the faba bean cultivar, Giza 40. Results of in vitro studies showed that microelements or Rhizolex-T significantly inhibited the mycelial growth of the pathogen, R. solani when compared with the untreated control.Under greenhouse conditions, all isolatedfungi proved to be pathogenic and caused pre- and post-emergence damping-off while R. solani being the most virulent.
All some microelements or the fungicide tested as seed treatments for field experiments led to an increase in the plant height . Rhizolex-T 50 followed by zinc were the most effective treatments in reducing the incidence of faba bean damping-off. Calcium followed by zinc were the most effective in increasing the number of pods per plant, the weight of 100 seeds, and seed yield / plot. The most effective seed treatment in reducing the root-rot disease incidence was Rhizolex-T followed by zinc and then calcium.
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