Susceptibility of Sitophilus zeamais Mots. and Callosobruchus maculatus F. to plant parts of Ricinodendron heudelotii

• Autorzy: Epidi T T , Udo I.O. , Osakwe J.A.

Warianty tytułu

PL

Wrazliwosc Sitophilus zeamais Mots. i Callosobruchus maculatus F. na czesci roslin Ricinodendron heudelotii

• Języki publikacji: EN

Abstrakty

EN

Studies were carried out in the laboratory to determine the efficacy of powders from plant parts of Ricinodendron heudelotii against the storage pests Sitophilus zeamais and Callosobruchus maculatus on stored maize and cowpea, respectively. Leaf, bark and root powders were added as admixtures to 100 g of grains to assess contact toxicity, damage assessment, progeny production and grain germination. Results indicated that the plant materials were toxic to the two insect species with over 30% and 75% mortality for S. zeamais and C. maculatus, respectively. Observable damage level was significantly (p ≤ 0.05) lower in treated grains while progeny production by both insect species was significantly (p ≤ 0.05) reduced. Grain germination of both crops was not affected by the powders. The potential use of P. heudelotii in storage pest management is discussed.

PL

Badania wykonano w laboratorium, celem określenia skuteczności proszku z części roślin Ricinodendron heudelotii, przeciwko szkodnikom przechowalnianym Sitophilus zeamais i Callosobruchus maculatus, odpowiednio na przechowywanym ziarnie kukurydzy i wspięgi pospolitej. Proszki z liści, kory pierwotnej i korzeni dodawano do 100 g ziarna w celu określenia toksyczności kontaktowej, uszkodzeń, wytwarzania potomstwa oraz kiełkowania ziarna. Uzyskane wyniki wskazywały na toksyczność materiałów roślinnych dla dwóch gatunków owadów i wywoływały śmiertelność S. zeamais i C. maculatus, wynoszącą odpowiednio 30 i 75%. Dający się zaobserwować poziom wywołanych szkód był istotnie (p ≤ 0,05) niższy w traktowanym ziarnie, natomiast wytwarzanie potomstwa przez obydwa gatunki owadów było istotnie (p ≤ 0,05) zredukowane. Kiełkowanie ziarna obydwu gatunków roślin nie zostało istotnie zmienione przez badane proszki. Przedyskutowano potencjalne wykorzystanie R. heudelotii w zwalczaniu szkodników przechowalnianych.

Słowa kluczowe

PL

susceptibility; Sitophilus zeamais; Callosobruchus maculatus; plant part; Ricinodendron heudelotii; contact toxicity; damage; storage pest

• Wydawca: -
• Czasopismo: Journal of Plant Protection Research
• Rocznik: 2009
• Tom: 49
• Numer: 4
• Opis fizyczny: p.411-415,ref.

Twórcy

autor

Epidi T T

• Niger Delta University, Wilberforce Island, PMB 071, Yenagoa, Bayelsa, Nigeria

autor

Udo I.O.

autor

Osakwe J.A.

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