Effect of Temperature Treatments on the Penetration and Disease Development in the Leaf Epidermis by the Rice Blast Fungus, Pyricularia oryzae Cavara III. Effect of Percent Penetration and Hyphal Growth on Lesion Formation under Different Temperature Regim

Effect of Temperature Treatments on the Penetration and Disease Development in the Leaf Epidermis by the Rice Blast Fungus, Pyricularia oryzae Cavara III. Effect of Percent Penetration and Hyphal Growth on Lesion Formation under Different Temperature Regim
Effect of Temperature Treatments on the Penetration and Disease Development in the Leaf Epidermis by the Rice Blast Fungus, Pyricularia oryzae Cavara III. Effect of Percent Penetration and Hyphal Growth on Lesion Formation under Different Temperature Regim

ㆍ 저자명: 김장규,무목정부,Kim. Chang-Kyu,Mogi. Shizuo
ㆍ 간행물명: 한국식물보호학회지
ㆍ 권/호정보: 1987년|26권 1호|pp.43-47 (5 pages)
ㆍ 발행정보: 한국응용곤충학회
ㆍ 파일정보: 정기간행물|ENG|
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ㆍ 주제분야: 기타

이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.

서지반출

영문초록

도열병병반형성(稻熱病病斑形成)에 미치는 침입률(侵入率)과 균사신전도(菌絲伸展度)의 효과(效果)를 알기 위(爲)하여 23/15C(주/야(晝/夜)), 29/21C 및 온실조건(溫室條件)($33{sim}23C$)에서 처리(處理)한 Aichi-asahi, Toyotama, Yamabiko에 6개의 도열병균(稻熱病菌) 균주(菌株)를 접종(接種)한 결과(結果), 접종후(接種後) 72,96시간(時間)째의 침입률(侵入率)은 어느 온도조건(溫度條件)에서도 병반형성(病斑形成)과 고도(高度)의 유의성(有意性)이 있었다. 또한 균사신전도(菌絲伸展度) 11이상(以上)을 나타내는 부착기수(付着器數)도 병반수(病斑數)와 고도(高度)의 유의성(有意性)이 인정(認定)되었다. 그러나 균사신전도(菌絲伸展度) 30이상(以上)을 나타내는 부착기수(付着器數)는 29/21C조건(條件)의 접종후(接種後) 72시간(時間)째에만 유의성(有意性)이 인정(認定)되었다. 이들 상관관계(相關關係)의 통계적(統計的)인 적중도(的中度)는 29/21C나 온실(溫室)보다는 23/15C에서 더 높았으며 이런 현상(現象)은 이병성품종(罹病性品種)인 Aichi-asahi에서 더욱 뚜렷하였다.

기타언어초록

Effect of percent penetration and hyphal growth on lesion formation was evaluated at 23/15C (day/night), 29/21C regimes and greenhouse condition (33-23C) using three rice cultivars, Aichi-asahi, Toyotama and Yamabiko with 6 isolates of Pyricularia oryzae. Percent penetration at 72hr and 96hr after inoculation was highly significant with lesion formation at any temperature regime. At the same time, number of appressoria that exceeded hyphal growth value 11 was also highly significant with lesion formation. However, number of appressoria that exceeded hyphal growth value 30 was significant only at 72hr after inoculation at 29/21C regime. In general, statistical fitness of the model was higher at 23/15C regime than at 29/21C regime or a greenhouse condition. These series of phenomenon were more apparent in a susceptible cultivar Aichi-asahi.

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