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KMID : 0379119920200040309
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Korean Journal of Mycology
1992 Volume.20 No. 4 p.309 ~ p.314
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Change in Size Measurements of Powdery Mildew Conidia in Relation to Air Temperature
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Abstract
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Nine species of powdery mildew fungi were examined to understand the change in size of conidia in relation to air temperature. Of these, Sphaerotheca aphanis, S. fusca, and S. panrtosa showed constant value of conidial sizes regardless of changes in air temperature. The length/width ratio in the conidia of Erysiphe artemisiae and E. sordida increased as the air temperature rose. E. cichoracearum gave the result against that shown in the above two species of Erysiphe. The conidia of Microsphaera pseudolonicerae became decreased in their width as the air temperature fell. The length/width ratio of conidia was markedly increased. M. alphitoides and M. robiniae showed variable size measurements in conidia regardless of changes in air temperature end studies for it needed for additional examination in future.
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