Volume 2, Issue 2 (2000)
JAST 2000, 2(2): 119-125 |
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Saremi H, Burgess L W. Effect of Soil Temperature on Distribution and
Population Dynamics of Fusarium Species. JAST 2000; 2 (2) :119-125
URL: http://jast.modares.ac.ir/article-23-6187-en.html
URL: http://jast.modares.ac.ir/article-23-6187-en.html
1- Faculty of Agriculture. University of Zanjan. Zanjan, Islamic Republic of Iran.
2- Department of Crop Sciences, University of Sydney, NSW, 2006, Australia.
2- Department of Crop Sciences, University of Sydney, NSW, 2006, Australia.
Abstract: (6383 Views)
Environmental factors mainly temperature are believed to determine the
distribution and population dynamics of Fusarium species in a natural ecosystem.
Species may be restricted in their distribution by adaptation to specific sets of soil
environmental conditions. Population dynamics of five Fusarium species representative
of different climatic conditions were studied at three levels of temperature (13-18 /
19-24 / 25-30°C) and constant water potential (field capacity). Temperature had a
significant influence on the population level of all test Fusarium species. Fusarium
sambucinum showed noticeable reduction of population at warm temperatures. The
population of F. solani and F. compaction were higher at high temperatures. The
population of cosmopolitan species, F. equiseli showed little change at all experimental
conditions, Fusarium acuminalum did not compete well with other species in this
experiment, its population being low at all treatments.
Received: 2010/03/31 | Accepted: 2010/03/31 | Published: 2010/03/31
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