Sugarcane response to two biotic stressors: Diatraea saccharalis and Mahanarva fimbriolata

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de Souza Rossato, J. A. [UNESP]
Fernandes, O. A. [UNESP]
Rossini Mutton, M. J. [UNESP]
Higley, L. G.
Madaleno, L. L. [UNESP]

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Int Sugar Journal Ltd


In a field experiment in 2007/08 in São Paulo state, Brazil cane was exposed to sugarcane borer (Diatraea saccharalis) and spittlebug (Mahanarva fimbriolata) alone or in combination. Plots comprised 2 m(2) caged and uncaged sugarcane stalks. Compared with the caged (un-infested) control, spittlebug nymphs decreased cane yield by 17.6%, whereas infestation from spittlebug nymphs + sugarcane borer combined and sugarcane borer alone, decreased cane yields by 15.5% and 6.9%, respectively. There was no significant difference among the treatments in levels of soluble solids and cane sucrose content.



insect-plant relationship, Spittlebug, Sugarcane borer, Yield

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International Sugar Journal. Kent: Int Sugar Journal Ltd, v. 113, n. 1350, p. 453-455, 2011.