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Gliocladium catenulatum
Chemical Identification | General Product Information | Physical & Safety Data
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ActivityHyphal interactions between Gliocladium catenulatum and Pythium ultimum and Rhizoctonia solani were investigated by scanning electron microscopy (Journal of Phytopathology, 2001). Gliocladium catenulatum hyphae grew along and sometimes coiled loosely around those of the pathogens. Appressorium-like structures were produced by G. catenulatum which aided in holding and penetrating the hosts’ hyphae. Partial destruction of these was observed in the later stages of parasitism. A wettable powder formulation G. catenulatum was then evaluated for biological control of damping-off in bedding plant seedlings grown in a peat-based growing medium, artificially infested with P. ultimum or R. solani. A growing medium incorporation or drench were equally effective in reducing damping-off and, in most cases, as effective as fungicide drenches of propamocarb HCl or tolclofos-methyl. Populations of G. catenulatum survived well in the pathogen-infested growing medium with levels of >106 colony forming units/cm3 being detected 28 days after application. Survival of G. catenulatum in the formulation and subsequent ability to reduce damping-off was unaffected by storage for 48 weeks at 5℃.
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Type
AI concn
Wettable powder (WP)
108 cfu/g
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