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오이덩굴쪼김병의 교차보호에 관한 연구 III. 비병원성균의 선발 및 온실에서의 교차보호 효과
양성석,김충회 한국식물병리학회 1994 Plant Pathology Journal Vol.10 No.1
One hundred fifty four out of 262 isolates of Fusarium oxysporum obtained from healthy plant tissues of various crops and their rhizosphere soil were found to be nonpathogenic to cucumber plants. The nonpathogenic isolates were frequently found from sesame plant tissues and rhizosphere soil, but less from healthy plant tissues of cucumber and water melon. When the 154 nonpathogenic isolates were preinoculated into cucumber seedlings, and then challenge-inoculated with Fusarium wilt pathogen, 21 isolates protected effectively cucumber plants from Fusarium wilt infections. A year later, 9 out of 21 isolates fully sustained their protective effect. Among 9 isolates showing good protective effects, 7 were isolates from cucumber plants. These 9 isolates, except 1 isolate, were not pathogenic to water melon, chinese melon, tomato and sesame.
국내 운동선수에서 비타민 D 수치의 현 상태 및 결핍과 관련된 인자: 실내외 종목에 따른 차이, 나이, 성별, 체질량지수, 계절 변동과의 관련성
양성석,이상훈 대한스포츠의학회 2018 대한스포츠의학회지 Vol.36 No.2
Purpose: Several studies have suggested that vitamin D deficiency has significant effects on muscle weakness, injury and illness, and ultimately, exercise performance. However, studies on vitamin D status and deficiency related factors for young athletes are still lacking. Methods: Four hundred athletes who have undergone serum vitamin D (D2 and D3) test were studied. Vitamins were classified into three groups (deficiency, insufficiency, and adequacy). Blood sampling time was classified into four groups (spring, summer, fall, and winter). Results: Of the 400 athletes, 31.5% were deficient, 48.25% were insufficient, and 20.25% were adequate in vitamin D. The group with lower vitamin D levels was older, had a higher body weight, and had higher body mass index. Comparisons by sex were significantly lower in female athletes than male athletes for indoor sports. Seasonal comparisons were significantly lower in winter than in spring, summer, and autumn. When the correlation analysis between the characteristics of the athletes and vitamin D was analyzed, there was a weak negative correlation between age and body mass index and height and weight were not related. Athletes' vitamin D levels are higher than the general population, but about 80% of them have vitamin D deficiency. Conclusion: Vitamin D deficiency causes exercise performance and performance deterioration; therefore, it is necessary to monitor and manage more closely when there are related factors.