potato dextrose

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The Blue Plate Test
... bromophenol blue plates are petri plates which contain potato dextrose agar (PDA), a microbial growth medium. The agar causes the media to gel and the potato dextrose (sugar) provides a nutrient source for the ... Nebraska fields. If they are present, they will produce a type of colony on the potato dextrose agar that can be distinguished from that of the white mold pathogen. Field Sampling Procedure ...
plantpath.unl.edu

Canadian Journal of Plant Pathology, Volume 27, Number 2, April – June 2005
... , Denis A. Shah, and Gary C. Bergstrom Pages 225-233 Abstract / Résumé Effects of potato dextrose broth and gelatin on germination and efficacy of Phoma exigua, a potential biocontrol agent for ...
pubs.nrc-cnrc.gc.ca

FAQ - Fungi and Mycorrhizae
... binary fission. Figure 2.: Thread-like mycelium in a colony of Rhizoctonia solani growing on potato dextrose agar. This fungus causes brown patch disease of turfgrass and damping-off in seedlings of ...
res2.agr.gc.ca

OREP - Use of natural fruit volatiles for reduction of postharvest rot of stonefruits and pears
... volatiles for Penicillium expansum were evaluated for their potential to inhibit mycelium actively growing on Potato Dextrose Agar. In general, higher concentrations were required for control of P. expansum. These screening trials ...
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APSnet Education Center - Lab Exercises in Plant Pathology - Following the disease progression of an ectotrophic root-infecting fungus.
... cultures. Cultures of G. graminis var. avenae should be transferred to fresh 1/5 strength potato dextrose agar 7-10 days prior to use. This ensures the plates are completely colonized and ...
www.apsnet.org

New Disease Reports - First report of Rhizoctonia solani causing leaf spot of Adhatoda vasica
... infection resulted in defoliation. Repeated isolations from infected leaves yielded a similar fungal growth on Potato Dextrose Agar. Five-day-old cultures (26 ± 1°C) produced profuse mycelium and dirty white sclerotia ...
www.bspp.org.uk

New Disease Reports - First report of Verticillium wilt of melon caused by Verticillium dahliae in Tunisia
... of fungi were consistently and readily isolated from symptomatic stem vascular tissue when cultured on potato dextrose agar (PDA) medium. A Verticillium species was the only fungus isolated and it grew from ...
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Brown Rot/Calcium
... except calcium formate, calcium pantothenate, and dibasic calcium phosphate reduced fungal growth on amended potato dextrose agar (PDA) after 7 days. Minimal growth occurred on PDA amended with calcium propionate. ... % of the control. Substances that were inhibitory in amended PDA also were inhibitory in potato dextrose broth (PDB), but varied in effectiveness depending on whether PDB or PDA was used. ...
www.caf.wvu.edu

Isolation of Soil Microorganisms
... 1ml pipettes 1 sterile glass stirring rod 6 Petri plates containing about 10ml of PDA (potato dextrose agar) 6 strips of Parafilm paper towel disinfectant marking pens Method: Mark the dilutions on ...
www.cps-scp.ca

Isolement des microorganismes du sol
... stérile ("hockey") 6 plats de Petri contenant environ 10 ml du milieu de culture PDA (Potato dextrose agar) 6 languettes de ruban Parafilm papier absorbant désinfectant crayons Méthodes: Identifier les dilutions sur ...
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