지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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This work was carried out to evaluate the resistance of potato germplasm against late blight in Korea. Seven races ofPhytophthora infestans were detected from the main potato growing areas. Three races of pathogen were isolated from mono-crop-ping areas and five races of pathogen were isolated from double cropping areas in Korea. Of 160 isolates collected, 68% of the iso-lates were identified as race 1.3. Potato clones of CIP 724 and CIP 424 didn't show the typical symptom of late blight on leaves bythe race 1.3. The inoculated area of detached leaves turned brown after inoculation for four days at 20oC. On the other hand, thepathogen actively sporulated and formed the sporangia of pathogen on the detached leaves of 44 potato clones. In field trials, typi-eto race 1.3 in inoculation test, showed the susceptible response in the fields. This result indicated that single resistance gene couldeasily be broken by different races of Phytophthora infestans in fields. Mean area under the disease progress curve(AUDPC)between resistance and susceptible clones have shown the tremendous difference under disease pressure of Daegwallryeong area. Itsuggest that the potato clone need a horizontal resistance genes against the diversified race in fields.
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