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Factors affecting chemical stimulation of uredospore germination in pustules of crown rust of oats, common corn rust, stem rust of wheat, and leaf rust of wheat



Factors affecting chemical stimulation of uredospore germination in pustules of crown rust of oats, common corn rust, stem rust of wheat, and leaf rust of wheat



Journal of Agricultural and Food Chemistry 23(1): 4-8



Volatile chemical stimulators at concs. of <1 ppm by vol., applied during exposure of rust pustules to dew in sealed chambers, induced germination of spores of Puccinia coronata f.sp. avenae, P. sorghi, P. graminis f.sp. tritici and P. recondita over a temp. range of 15-25 deg C. 1-Nonanal, 1-nonanol, 1-octanol and 6-methyl-5-hepten-2-one stimulated germination of spores floated on water, and germination in pustules of P. coronata f.sp. avenae and P. graminis f.sp. tritici.

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Accession: 000090897

Download citation: RISBibTeXText

DOI: 10.1021/jf60197a032



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