Plant oils as common bean [Phaseolus vulgaris L.] seed protectants against infestations by the Mexican bean weevil Zabrotes subfasciatus [Boh.]

• Autorzy: Mushobozy D M K , Nganilevanu G. , Ruheza S. , Swella G.B.

Warianty tytułu

PL

Olejki roslinne jako czynniki chroniace nasiona fasoli zwyczajnej [Phaseolus vulgaris L.] przed zakazeniem meksykanska pchelka fasoli Zabrotes subfasciatus [Boh.]

• Języki publikacji: EN

Abstrakty

EN

Five plant oils from sesame (Sesamum indicum), oil-palm (Elaeis guineensis), cotton (Gossypium hirsutum), castor (Ricinus communis) and maize (Zea mays) at a dosage of 5 ml/kg of common bean seeds and a control of malathion dust 2% active substance (a. s.) at a dose 0.5 g/kg of seeds were evaluated for their ability to suppress the populations of Z. subfasciatus. Castor and palm oils resulted in effective protection comparable to that of malathion. There were a significant low percentage seed damage and weight loss in seeds treated with malathion, castor and palm oils. Total number of weevils in these treatments were least, compared to other plant oils studied. All treatments did not show adverse effect on germination capability of the seeds. This study showed that it is possible to use castor or palm oils to protect common bean seeds against Z. subfasciatus infestations. These products can be obtained locally at a reasonable cost.

PL

Testowano skuteczność pięciu olejków roślinnych: z sezamu (Sesamum indicum), palmy olejowej (Elaeis guineensis), bawełny (Gossypium hirsutum), rącznika (Ricinus communis), kukurydzy (Zea mays) i 2% proszku malathionu, użytych w dawce 0,5 g na 1 kg nasion, pod względem skuteczności ograniczania populacji Zabrotes subfasciatus. Olejki z rączniaka i palmy olejowej efektywnie zwalczały patogena, podobnie jak malathion. W tych kombinacjach doświadczalnych stwierdzono istotnie niższe uszkodzenie nasion i niższą utratę wagi. Ogólna liczba pchełek w tych trzech kombinacjach była najniższa w porównaniu do innych olejków roślinnych. Nie stwierdzono niekorzystnych skutków w odniesieniu do kiełkowania nasion w żadnej z kombinacji doświadczalnych. Przeprowadzone badania wykazały, że istnieje możliwość ochrony nasion fasoli zwyczajnej przed zakażeniem Z. subfasciatus przy użyciu olejków z rączniaka i palmy olejowej. Produkty te można łatwo otrzymać lokalnie, za umiarkowana cenę.

Słowa kluczowe

EN

Phaseolus vulgaris; seed; seed protection; Mexican bean weevil; plant oil; infestation; Zabrotes subfasciatus; malathion; sesame; common bean; plant protection; palm; cotton

• Wydawca: -
• Czasopismo: Journal of Plant Protection Research
• Rocznik: 2009
• Tom: 49
• Numer: 1
• Opis fizyczny: p.35-40,ref.

Twórcy

autor

Mushobozy D M K

• University of Agriculture, P.O.Box 3005, Chuo Kikuu, Morogoro, Tanzania

autor

Nganilevanu G.

autor

Ruheza S.

autor

Swella G.B.

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