請用此 Handle URI 來引用此文件: http://hdl.handle.net/11455/69816
標題: Effects of nutrients on production of fungichromin by Streptomyces padanus PMS-702 and efficacy of control of Phytophthora infestans
作者: Huang, J.W.
黃振文
Shih, H.D.
Huang, H.C.
Chung, W.C.
關鍵字: Streptomyces padanus
peanut meal-glucose-glutamic acid broth medium
late blight
Phytophthora infestans
antibiotics
fungichromin
tomato
inorganic-phosphate
late blight
biosynthesis
antibiotics
glucose
growth
tomato
taiwan
期刊/報告no:: Canadian Journal of Plant Pathology-Revue Canadienne De Phytopathologie, Volume 29, Issue 3, Page(s) 261-267.
摘要: The effects of carbon and nitrogen source on inhibitory activity of Streptomyces padanus PMS-702 culture filtrates were investigated using 12 saccharides, 12 nitrogen sources, and 7 organic compounds. Results showed that the carbon sources cellobiose, galactose, glucose, mannose and xylose; the organic Compound peanut meal; and the nitrogen source glutamic acid were the most effective components for production of inhibitory substances by S. padanus and suppression of zoospore release of Phytophthora infestans. Production of the antibiotic fungichromin by S. padanus PMS-702 was high (145.5 ppm) in cultures grown in the liquid medium of peanut meal - glucose - glutamic acid (PMGG) containing 1.5% (w/v) peanut meal, 0.5% (w/v) glucose, and 0.5% (w/v) glutamic acid for 7 days. Spraying tomato plants with culture filtrates of S. padanus PMS-702 from the PMGG broth culture at a rate of 100-fold dilution significantly reduced severity of late blight of tomato (Lycopersicon esculentum) foliage caused by P. infestans both under controlled environment and field conditions.
URI: http://hdl.handle.net/11455/69816
ISSN: 0706-0661
顯示於類別:農業暨自然資源學院

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