Effects of trifluralin [herbicide], benomyl and metalaxyl [fungicides] on the incidence and severity of root disease in annual Medicago spp., and evaluation of cultivars for resistance to root rot [fungus].
1986
Bretag T.W. | Kollmorgen J.F.
In the glasshouse and the field, trifluralin increased the incidence and severity of root rot in 4 M. truncatula cultivars and reduced dry matter production. In naturally infested soil from Kaniva, disease was controlled in the glasshouse by incorporation of metalaxyl (suggesting that the pathogens were Peronosporales) but not benomyl. Neither fungicide controlled root disease in a field trial at Dooen. In trials of 25 cultivars, some had moderate resistance but none was immune.
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