Interactions between springtails (Onychiurus armatus, O. tuberculatus, Folsomia candida) and plant pathogenic fungi (Gaeumannomyces graminis var. tritici, Fusarium culmorum, Bipolaris sorokiniana and Rhizoctonia cerealis) living in the same soil layer were investigated under laboratory conditions. The fungi are responsible for the foot and root disease complex of winter cereals and can cause serious reduction in yield. Since these species coexist in agricultural soils, feeding preference tests were performed in such a way that the springtails were allowed to interact simultaneously with all the tested fungi. O. armatus, O. tuberculatus and F. candida fed on the mycelia of G. graminis var. tritici, F. culmorum and R. cerealis: in the first hours of the trials individuals of all springtail species distributed themselves among the colonies, though moving from one to the other. Subsequently F. culmorum mycelium became the preferred food of all species tested; however, the other two fungi continued to be consumed. Mycelia of G. graminis var. tritici, F. culmorum and R. cerealis were shown to be an adequate food source for reproduction of Folsomia candida. Bipolaris sorokiniana mycelium had both repellent and lethal effects on F. candida and O, armatus is, whereas this fungus was lethal, although not repellent. for O. tuberculatus. Long-term experiments on T. candida indicate that conidia of B. sorokiniana were eaten and proved to be a sufficient diet for reproduction.

Soil-borne plant pathogenic fungi in relation to some collembolan species under laboratory conditions / Sabatini, Maria Agnese; G., Innocenti. - In: MYCOLOGICAL RESEARCH. - ISSN 0953-7562. - STAMPA. - 104:(2000), pp. 1197-1201.

Soil-borne plant pathogenic fungi in relation to some collembolan species under laboratory conditions

SABATINI, Maria Agnese;
2000

Abstract

Interactions between springtails (Onychiurus armatus, O. tuberculatus, Folsomia candida) and plant pathogenic fungi (Gaeumannomyces graminis var. tritici, Fusarium culmorum, Bipolaris sorokiniana and Rhizoctonia cerealis) living in the same soil layer were investigated under laboratory conditions. The fungi are responsible for the foot and root disease complex of winter cereals and can cause serious reduction in yield. Since these species coexist in agricultural soils, feeding preference tests were performed in such a way that the springtails were allowed to interact simultaneously with all the tested fungi. O. armatus, O. tuberculatus and F. candida fed on the mycelia of G. graminis var. tritici, F. culmorum and R. cerealis: in the first hours of the trials individuals of all springtail species distributed themselves among the colonies, though moving from one to the other. Subsequently F. culmorum mycelium became the preferred food of all species tested; however, the other two fungi continued to be consumed. Mycelia of G. graminis var. tritici, F. culmorum and R. cerealis were shown to be an adequate food source for reproduction of Folsomia candida. Bipolaris sorokiniana mycelium had both repellent and lethal effects on F. candida and O, armatus is, whereas this fungus was lethal, although not repellent. for O. tuberculatus. Long-term experiments on T. candida indicate that conidia of B. sorokiniana were eaten and proved to be a sufficient diet for reproduction.
104
1197
1201
Soil-borne plant pathogenic fungi in relation to some collembolan species under laboratory conditions / Sabatini, Maria Agnese; G., Innocenti. - In: MYCOLOGICAL RESEARCH. - ISSN 0953-7562. - STAMPA. - 104:(2000), pp. 1197-1201.
Sabatini, Maria Agnese; G., Innocenti
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/305571
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