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Conidial germination of wheat powdery mildew on water agar at temperatures from + 5° to + 30° C

S. Leinonen and T. Kurkela
Annales Botanici Fennici
Vol. 6, No. 4 (1969), pp. 340-343
Stable URL: http://www.jstor.org/stable/23724202
Page Count: 4
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Conidial germination of wheat powdery mildew on water agar at temperatures from + 5° to + 30° C
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Abstract

The germination rate of wheat powdery mildew (Erysiphe graminis f. sp. tritici) conidia was examined by means of an apparatus which permitted continuous observation of the germination of each sample throughout the experiment. Germination experiments were conducted at constant RH and at temperatures ranging from +5° to +30° with intervals of 2.5°. Germination was fastest at +20° and +22.5° C. The highest germination percentage was obtained at +17.5° C.

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