Isolation of Antagonistic Bacteria against the Casual of White Rot Sclerotinia sclerotiorum from some Plant Roots, Sclerotia and Soil
published by Damascus University
in 2005
in
and research's language is
العربية
Download
Abstract in English
Samples from carrot and lettuce roots, sclerotia of Sclerotinia sclerotiorum,
and soil were collected from south of Damascus during 2001. 82 isolates were
isolated, 48 of them were isolated from roots, 27 from sarfuce of sclerotia, and
7 from soil around roots. Antgonisim capacity of these isolates was tested
against S. Sclerotiorum in vitro. 7 bacterial isolates showed antagonistic effect
on the growth of S. Sclerotiorum, the antagonism distance ranged bettwen (1.3 –
11 mm). The Isolate (K82.4), which was isolated from soil, showed antagonistic
distance (11mm), and was the best of bacterial isolates. Three isolates were
iddentified (K82.4 isolated from lettuce soil, FN3 isolated from surface of
sclerotia, K4.4 isolated from carrot roots), that belong to Bacillus spp.
References used
Agrios, G. N. 1997. Sclerotinia Diseases of Vegetables and Flowers. Pages 355-358. In Plant Pathology. 4th. Edition. Academic Press. San Diego, London, Boston, New York, Sydney, Tokyo, Tornto
Cassiolato, A. M. R. 1998. Effects of Coniothyrium minitans on carpogenic germination and viability of Sclerotinia sclerotiorum sclerotia. Fitopatologia Brasileira 23: 474-476
Dillard, H. R, Ludwing, G. W. and Hunter, J. E. 1995. Conditioning sclerotria of Sclerotinia sclerotiorum for carpogenic germination. Plant Dis. 79: 411 – 415