Composition, Distribution and Economic Importance of Insect Pests of Prioritized Medicinal Plants in Some Growing of Ethiopia
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- Insect-pests, Prioritized Medicinal Plants, Infestation and Damage Level
- Bayisa, Negasu Guteta
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- Ethiopia is remarkably rich in its biological, ecological and landscape diversity and is home to outstanding natural bio-resources of medicinal plants. The present study was carried out to study the composition, distribution and economic importance of insect pests of prioritized medicinal (chamomile, kebericho, sage stevia, artemisia, senna, ariti, African marigold and hibiscus) plants between 2013 to 2015 in some growing area of Ethiopia. 10 to 20 random sample units (plants) were taken to assess pest prevalence from each of the upper, middle and lower canopy layers of the main stem. Sample pests and infected plant parts were taken and examined in Wondo Genet Agricultural Research Center. Agrotis sp., Aphis fabae, Aphis sp., Dysdercus sp., Earias biplaga, Lipaphis sp., Lipaphis sp., Nipaecoccus viridis and Ornithacris sp. were the major insect pests of medicinal plants where as Dicyphus spp., Euxoa scandens, Ferrisia virgata, Odontotermes spp., Sphaerocoris annulus, and Aphis gossypii were minor insect pests recorded feeding the medicinal plants. In all 14 insect species belonging to 4 orders were recorded to be associated with (8) medicinal plants in the survey area of Ethiopia. All these insect-pests were recorded in very low to very high causing damage. This study important for understanding the situation of medicinal insect pests that will help to eventually achieve an economically sound and efficient pests management strategy.
Full text: IJRAS_362_FINAL.pdf