Ethylene Production and Mycelium Growth of the Tulip Strain ofFusarium oxysporumas Influenced by Shaking of and Oxygen Supply to the Culture Medium
作者:
ANNIE SWART,
G. A. KAMERBEEK,
期刊:
Physiologia Plantarum
(WILEY Available online 1977)
卷期:
Volume 39,
issue 1
页码: 38-44
ISSN:0031-9317
年代: 1977
DOI:10.1111/j.1399-3054.1977.tb09282.x
出版商: Blackwell Publishing Ltd
数据来源: WILEY
摘要:
AbstractThe fungusFusarium oxysporumSchlecht f. sp.tulipaeApt. can produce ethylene abundantlyin vitrowhen grown in Pratt's liquid medium with glucose as the only organic substrate. This production starts after a lag phase of about 4 days, and peak production occurs when mycelium weight has reached its maximum value. For several days the rate of production is more or less linearly dependent on pO2. The total production is also dependent on the oxygen concentration, but pure oxygen inhibits the total production by about 50% as compared with 21% oxygen. The high production in shake cultures, as compared with the low production in stagnant cultures, is probably the result of a better oxygen supply in the culture medium. The mycelium weight proved not to be a valid referential basis for the production of ethylene.
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