Comparative Larvicidal Efficacy of Carica Papaya Leaves and Seed Extract on Mosquito Larval Population in Rice Fields in Bida Metropolis, Niger State

Adamu B.b (), Ayisa T.t (), Ideh R.r () and Oyedokun N ()

Current Research in Agricultural Sciences, 2019, vol. 6, issue 2, 115-120

Abstract: This study elucidates the susceptibility of leaf and seed extract of Carica papaya on mosquito population breeding in rice fields. The study was conducted in Bida, Niger State using two rice fields sampled for two weeks. Mosquito immature stages (Larvae) were used throughout for the experiment. The leaf and seed extract of Carica papaya were prepared on instars and evaluated Larva stages were evaluated in the laboratory. Mosquito instars larvae stages (L3-L4) were exposed to a concentration of 10mg/ml, 20mg/ml, 30mg/ml, 40mg/ml, and 50mg/ml of each prepared Larvicide, (Leave and seed extract of Carica papaya) within 24hours, the percentage mean survival of the Larvae were recorded. At a concentration of 10mg/ml, 100% of the Larvae died within 3 to 12hours of exposure to seed and leave extract of Carica papaya. The mosquito growth and development were inhibited. However, both the leave and seed of Carica papaya can be used to control mosquito breeding in anthropogenic habitats of which the seed of Carica papaya is the most effective, especially in rice fields.

Keywords: Carica papaya; Larvae; Rice; Mosquito; Concentration; Breeding; Habitats. (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:pkp:criasc:v:6:y:2019:i:2:p:115-120:id:122

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