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ABSTRACT: The study was conducted in the rose garden of the Department of Horticulture and Laboratory of the Department of Entomology, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, Bangladesh to assess the toxicity of three synthetic and one botanical insecticides namely Confidor 70 WG, Actara 25 WG, Liquor 1.8 EC and neem oil on rose thrips. The highest mean mortality (75.0 ± 1.9%) of thrips was found with Confidor 70 WG. Besides, Confidor 70 WG showed the lowest value of LC50 and LC95 (147.6 and 708.3 ppm, respectively at 6 hours after treatments). The findings revealed that the tested insecticides showed significant differences on the leaf and flower infestation against thrips on rose plants and had promising effect in reducing the infestation level. The level of leaf and flower infestation (6.7 ± 3.8% and 9.7 ± 0.5%, respectively) was found the lowest in Confidor 70 WG treated plot.
Keywords: Insecticides, neem oil, Rosa sp., Rhipiphorothrips cruentatus, mortality, infestation.
DESCRIPTION OF A NEW SPECIES OF ALLOTROPA FÖRSTER 1856 (HYMENOPTERA: PLATYGASTRIDAE), AN ENDOPARASITOID OF THE CASSAVA MEALYBUG
EXPLORING SELECTED MICROBIAL PESTICIEDES AGAINST SUCKING PESTS OF BRINJAL
DOCUMENTATION OF INSECT PEST ATTACK AND PESTICIDE USAGE ON NEW PLANTATIONS OF COFFEE (COFFEA SPP.) IN SYLHET
ASSESSMENT OF ADULTERATION IN DIFFERENT MARKETED BRANDS OF COMMONLY USED PESTICIDES IN BANGLADESH
CHECKLIST AND TAXONOMIC KEYS TO THE LEAFHOPPER AND PLANTHOPPER OF RICE BASED AGROECOSYSTEM IN BANGLADESH
EVALUATION OF DIFFERENT BIO-PESTICIDES AGAINST RUGOSE SPIRALING WHITEFLY INFESTING COCONUT CROP UNDER FIELD CONDITION
RESPONSE OF BENEFICIAL ARTHROPODS TO INSECTICIDES; USED FOR THE IPM MODULE AGAINST COTTON JASSID (AMRASCA BIGUTTULA BIGUTTULA ISHIDA)
INCIDENCE AND DAMAGE SEVERITY OF PINK HIBISCUS MEALYBUG, MACONELLICOCCUS HIRSUTUS INFESTING ORNAMENTAL PLANTS
FARMERS’ KNOWLEDGE OF INSECT PESTS IN BOTTLE GOURD (LAGENARIA SICERARIA) AND THEIR MANAGEMENT PRACTICES IN MAJOR BOTTLE GOURD PRODUCING DISTRICTS OF BANGLADESH
OPTIMIZATION OF REARING PROTOCOL FOR EGG AND LARVAL PARASITOIDS WITH THEIR ASSOCIATED HOSTS AND EVALUATING THE EFFICACY OF BRACON HEBETOR AGAINST FALL ARMYWORM IN MAIZE
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