Abstract
The effects of eight fungicide formulations on the microflora of 10 lots of naturally infested barley seed were investigated after 7 days’ incubation. Reactions of individual fungi to treatment with a given fungicide were generally independent of seed lot. Hoe 2874, Panogen Px, SWF 790 and Polyram 80 were nonselective in action, whereas specific effects were associated with Vitavax, G 696 and Hexa. The decreasing order of effectiveness of fungicides against Cochliobolus sativus and Alternaria spp. established internally in the seed was Hoe 2874, Panogen Px, SWF 790, Polyram 80, Vitavax, G 696 and Hexa. Because Hoe 2874 did not control Streptomyces spp., which are known to be antagonistic to C. sativus, it may be of merit for control of common root rot of cereals.
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