Selective effects of two systemic fungicides on soil fungi.

Abstract:

:BAS 317 00F was not toxic to the total count of fungi after 2 days but was regularly significantly toxic at the three doses after 5, 20 and 40 days and toxic at the low and the high doses after 80 days. In the agar medium, it was toxic to the counts of total fungi. Aspergillus, A. terreus, Rhizopus oryzae and Mucor racemosus at the high dose. Only the mycelial growth of Trichoderma viride which was significantly inhibited by the three doses when this fungicide was added to the liquid medium. Polyram-Combi induced two effects on the total population of soil fungi. One inhibitory and this was demonstrated almost regularly after 2, 10 and 40 days and the other stimulatory after 80 days of treatment with the low and the high doses. In the agar medium, this fungicide was very toxic to total fungi and to almost all fungal genera and species at the three doses. Several fungi could survive the high dose. In liquid medium, the test fungi showed variable degree of sensitivity and the most sensitive was Gliocladium roseum which was completely eradicated by the three doses.

journal_name

Mycopathologia

journal_title

Mycopathologia

authors

Abdel-Fattah HM,Abdel-Kader MI,Hamida S

doi

10.1007/BF00468085

subject

Has Abstract

pub_date

1982-08-20 00:00:00

pages

93-9

issue

2

eissn

0301-486X

issn

1573-0832

journal_volume

79

pub_type

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