Die Widerstandsfähigkeit von Mono‐ und Verbundfolien gegen Vorratsschädlinge1
- 12 January 1982
- journal article
- Published by Wiley in Zeitschrift für Angewandte Entomologie
- Vol. 94 (1-5) , 127-133
- https://doi.org/10.1111/j.1439-0418.1982.tb02556.x
Abstract
The resistance of mono and compound foils to stored product insect pestsThe resistance of surfaces, margins, seals and pouches of the mono and compound foils was comparatively investigated against stored product insects. Monofoils: Polyvinylchloride; Polyethylene. Compound foils: Polyester/Aluminium/Polyethylene; Cellophane/Aluminium/Polyethylene; Polyamide/Polyethylene (125 and 90 μm); Polypropylene/Aluminium/Polyethylene; Polyester/Polyvinylchloride/Polyethylene. These transparent foils were tested against attack of the following insect species: Lasioderma serricorne (F.); Oryzaephilus mercator (Fauv.); O. surinamensis (L.); Rhizopertha dominica (F.); Stegobium paniceum (L.); Tenebroides mauritanicus (L.); Tribolium castaneum (Hbst.); Plodia interpunctella larvae.The monofoil of Polyvinylchloride and compound foil of Polypropylene/Aluminium/Polyethylene revealed the most resistance. Whereas, the monofilm of Polyethylene was the most susceptible.Seals and margins of the foils were preferably attacked by the insects. The pouches of all the films were totally resistant to L. serricorne, O. mercator, O. surinamensis, St. paniceum, T. castaneum and P. interpunctella. However, none of the 8 films tested was resistant to Rh. dominica and Ten. mauritanicus.The specimens of these foils which were kept in cultures of the pests ‐ test period 8 weeks ‐ were not attacked.Zusammenfassung: Die mechanische Widerstandsfähigkeit von Oberflächen, Siegelschichten, Kanten und Beuteln der 8 Mono‐ und Verbundfolien wurde gegen Vorratsschädlinge vergleichend geprüft. Monofolien: Polyvinylchlorid, Polyäthylen. Verbundfolien: Polyester/Aluminium/Polyäthylen; Zellglas/Aluminium/Polyäthylen; Polyamid/Polyäthylen (125 und 90 μm); Polypropylen/Aluminium/Polyäthylen; Polyester/Polyvinylchlorid/Polyäthylen. Die Klarsichtfolien wurden gegen den Angriff von folgenden Insekten‐Arten getestet: Lasioderma serricorne (F.), Oryzaephilus mercator (Fauv.), O. surinamensis (L.), Rhizopertha dominica (F.), Stegobium paniceum (L.), Tenebroides mauritanicus (L.), Tribolium castaneum (Hbst.), Plodia interpunctella (Hbn)‐Larven.Die Monofolie aus Polyvinylchlorid und die Verbundfolie aus Polypropylen/Aluminium/Polyäthylen erwiesen sich am widerstandsfähigsten. Dagegen war die Monofolie aus Polyäthylen am anfälligsten.Siegelschichten und Kanten der Folien wurden bevorzugt angegriffen.Die Folienbeutel waren völlig dicht gegen O. mercator, O. surinamensis, L. serricorne, St. paniceum, T. castaneum und P. interpunctella. Jedoch keine der 8 untersuchten Folienmaterialien war widerstandsfähig gegen Rh. dominica und Ten. mauritanicus.Die in die Zuchten der Schädlinge gelegten Folienproben ‐ Testdauer 8 Wochen ‐ wurden nicht beschädigt.Keywords
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