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KMID : 0379119940220040281
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Korean Journal of Mycology
1994 Volume.22 No. 4 p.281 ~ p.285
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Growth Rate and Colony Morphology of Progenies of Zoospores and Oospores of Phytophthora cactorum causing Phytophthora rots in Apple Trees
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Abstract
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Zoospore progenies of Phytophtbora cactorum were relatively uniform and similar to their respective parent in the rate of linear extension, whereas oospore progenies were greatly various. Also, the character of colony pattern was quantitatively various in oospore progenies but not zoospore progenies. Therefore, these results suggested that multiple genes were involved in determining growth rate and colony morphology of P. cactorum, and support the hypothesis that species of Phytophthora are diploid during the vegetative phase.
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