When grown for 6 months in the absence of pathogens, repeated soil applications of benomyl or captan significantly and similarly decreased growth of onion seedlings by 22–25% (diameter) and 31–34% (dry weight). The losses were associated with differing effects on soil microbes. Whereas captan had no effect on the occurrence of vesicular-arbuscular mycorrhizas it appreciably decreased populations of rhizosphere fungi. In contrast benomyl inhibited mycorrhiza formation but had a relatively small effect on rhizosphere fungi.

Effects of soil applications of Benomyl and Captan on the growth of onions and the occurrence of endophytic mycorrhizas and rhizosphere microbes.

GIOVANNETTI, MANUELA;
1977

Abstract

When grown for 6 months in the absence of pathogens, repeated soil applications of benomyl or captan significantly and similarly decreased growth of onion seedlings by 22–25% (diameter) and 31–34% (dry weight). The losses were associated with differing effects on soil microbes. Whereas captan had no effect on the occurrence of vesicular-arbuscular mycorrhizas it appreciably decreased populations of rhizosphere fungi. In contrast benomyl inhibited mycorrhiza formation but had a relatively small effect on rhizosphere fungi.
DE BERTOLDI, M.; Giovannetti, Manuela; Griselli, M.; Rambelli, A.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11568/2852
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