Rhizoctonia solani (Kuhn), Macrophomina phaseolina (Tassi) Ashby, Sclerotium rolfsii (Sacc.) and Fusarium spp. were found to be the most associated fungi with damping-off and charcoal-rot of sunflower plants in Behera Governorate. Rhizoctonia solani was the most pathogenic fungus, causing pre-emergence damping-off on sunflower (cv. Vedok). Meanwhile, M. phaseolina caused less disease incidence 15 days after sowing. In contrast, S. rolfsii was the most pathogenic fungus, causing post-emergence damping-off, 15 to 45 days after sowing. However, M. phaseolina was most effective to cause charcoal-rot , 45 to 90 days after sowing. Soil amendments with sulphur, compost and gypsum, either alone or in combination, recorded the highest reduction of pre-, post-emergence damping-off and charcoal-rot when compared with check (control) treatment in field experiments. Also, results indicated that the soil amendments improved growth characteristics and increased yield as well as oil contents of sunflower.
Morsy, S. (2012). Effect of some Soil Amendments on Damping-Off and Charcoal-Rot as well as on Sunflower Growth Characteristics and Yield. Egyptian Journal of Phytopathology, 40(2), 27-38. doi: 10.21608/ejp.2012.102784
MLA
Saber Morsy. "Effect of some Soil Amendments on Damping-Off and Charcoal-Rot as well as on Sunflower Growth Characteristics and Yield". Egyptian Journal of Phytopathology, 40, 2, 2012, 27-38. doi: 10.21608/ejp.2012.102784
HARVARD
Morsy, S. (2012). 'Effect of some Soil Amendments on Damping-Off and Charcoal-Rot as well as on Sunflower Growth Characteristics and Yield', Egyptian Journal of Phytopathology, 40(2), pp. 27-38. doi: 10.21608/ejp.2012.102784
VANCOUVER
Morsy, S. Effect of some Soil Amendments on Damping-Off and Charcoal-Rot as well as on Sunflower Growth Characteristics and Yield. Egyptian Journal of Phytopathology, 2012; 40(2): 27-38. doi: 10.21608/ejp.2012.102784
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