Browsing Dept. of Entomology by Title
Now showing items 1-20 of 94
-
ABUNDANCE OF INSECTS IN MAIZE FIELDS AND DEVELOPMENTAL BIOLOGY OF FALL ARMYWORM, SPODOPTERA FRUGIPERDA (LEPIDOPTERA: NOCTUIDAE) ON MAIZE VARIETIES
(HAJEE MOHAMMOD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR, 2019-12)Spodoptera frugiperda (Lepidoptera: Noctuidae) is a newly introduced destructive pest of maize in Bangladesh which causes substantial yield loss to different maize cultivars. Experiments were conducted to study the ... -
Abundance of pest, predator and pollinator in cotton field and their impact on yield and seed quality
(HAJEE MOHAMMOD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR, 2009-08)This study was undertaken with three cotton varieties viz. CB9, CB10 and SRO5 to explore the abundance of pest, predator and pollinators in the field and their impact on yield and seed quality. Results showed that 16 ... -
ACARICIDAL ACTIVITIES OF ALOE VERA L. LEAF EXTRACTS AGAINST TETRANYCHUS URTICAE KOCH (ACARI: TETRANYCHIDAE)
(HAJEE MOHAMMOD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR, 2017-12)Two-spotted spider mite, Tetranychus urticae Koch (Acari: Tetranychidae) is a very serious pest worldwide, causing considerable damage to vegetables, flower and fruit crops. The acaricidal, ovicidal and repellent activity ... -
ACARICIDAL ACTIVITY OF SYZYGIUM CUMINI L. FRUIT EXTRACTS AGAINST TETRANYCHUS URTICAE KOCH (ACARI: TETRANYCHIDAE)
(HAJEE MOHAMMOD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR, 2019-12)The two-spotted spider mite, Tetranychus urticae Koch (Acari: Tetranychidae) is an important polyphagous pest that infests many plant species world-wide. The acaricidal, ovicidal and repellent activity of different ... -
ANTI-OVIPOSITIONAL AND REPELLENT EFFECTS OF BOTANICAL EXTRACTS AGAINST CUCURBIT FRUIT FLY, BACTROCERA CUCURBITAE (COQUILLETT)
(HAJEE MOHAMMOD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR, 2017-06)The study was conducted to evaluate the efficacy of six different plant extracts for their anti-ovipositional and repellent effects against cucurbit fruit fly, Bactrocera cucurbitae (Coq.) in the research laboratory of ... -
ANTI-OVIPOSITIONAL, OVICIDAL AND LARVICIDAL EFFECT OF INDIGENOUS PLANT OILS AGAINST PULSE BEETLE
(HAJEE MOHAMMOD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR, 2017-12)The experiment was carried out in the Department of Entomology, Hajee Mohammad Danesh Science and Technology University (HSTU), Dinajpur during May to November 2017. Pulse beetle, Callosobruchus chinensis L., is an ... -
ASSESSMENT OF THE EFFECTS OF THREE WEED EXTRACTS FOR THE PROTECTION OF CHICKPEA SEED AGAINST CALLOSOBRUCHUS CHINENSIS L. (COLEOPTERA: BRUCHIDAE)
(HAJEE MOHAMMOD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR, 2018-06)The study was conducted to evaluate the efficacy of three indigenous weed extracts namely chaglagacha (Ageratum conyzoides), bon morich (Croton bonplandianus) and bishkatali (Polygonum hydropiper) in acetone solvent for ... -
BEHAVIORAL EFFECTS OF FOUR PESTICIDES ON BEES–THEIR POTENTIAL FOR SAFE CROP PRODUCTION, PROTECTING POLLINATORS AND ECOSYSTEM
(HAJEE MOHAMMOD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR, 2019-12)The toxicity of the neonicotinoid (Thiamethoxam, Imidacloprid and Thiacloprid) and Diamide (Chlorantroniprole) insecticides were tested orally and directly sprayed on honey bee species Apis mellifera, Apis dorsata, Apis ... -
BIO EFFICACY OF LEAVES AND FRUITS EXTRACTS OF BITTER GOURD AGAINST SPIRALING WHITEFLY, ALEURODICUS DISPERSUS
(HAJEE MOHAMMOD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR, 2019-12)The spiraling whitefly, Aleurodicus disperses Russell (Hemiptera: Aleyrodidae), is a destructive invasive pest in many parts of the world. Fresh leaves and fruit extracts of Momordica charantia obtained with ethanol and ... -
BIOCHEMICAL AND HISTO-MORPHOLOGICAL CHANGES OF PANCREAS OF RABBIT AS EFFECT OF INSECTICIDE (DIAZINON) CONTAMINATED FOOD
(HAJEE MOHAMMAD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR., 2016-12)Diazinon is a common organophosphorus insecticide that is widely used in our country in the form of Rizinon. The irrational use of diazinon in our country can play a crucial role in the occurrence of many diseases of ... -
BIOLOGICAL CHARACTERS OF KOREAN NEOSEIULUS CALIFORNICUS MCGREGOR (ACARI: PHYTOSEITDAE) IN RELATION TO ENVIRONMENTAL PARAMETERS
(THE GRADUATE SCHOOL ANDONG NATIONAL UNIVERSITY, 2009-08)Spider mite is one of the most important pests of apple in Korea. Two spotted spider mite and European red mite are the most common in apple and they are in competition. Recently European red mite is becoming dominant ... -
BIOLOGICAL TRAITS AND EFFICACY OF SOME SYNTHETIC PESTICIDES AGAINST MANGO LEAF CUTTING WEEVIL (Deporaus marginatus Pascoe)
(HAJEE MOHAMMOD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR, 2015-06)Mango leaf cutting weevil (Deporaus marginatus Pascoe) is a major and destructive pest of mango causes substantial damage to the foliage and ultimately yield. The development, reproductive biology and management of D. ... -
Biological traits and predation efficiency of Menochilus sexmaculatus (F.) (Coleoptera: Coccinellidae) on different hosts
(HAJEE MOHAMMAD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR., 2015-06)Menochilus sexmaculatus (Fab.) (Coleoptera: Coccinellidae) is an important bio control agent against bean aphid, mustard aphid, wheat aphid. A detailed research work was carried out in the laboratory of the Department ... -
Biology and bean aphid predation efficiency of lady bird beetle Micraspis discolor (Fabricius) (Coleoptera : Coccinellidae)
(HAJEE MOHAMMAD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR., 2007-11)The experiment was conducted at the Department of Entomology, Hajee Mohammad Danesh Science and Technology University, Dinajpur. The mean preoviposition period of the beetle Micraspis discolor was 5.1+0.48 days and ... -
BIOLOGY AND FRUIT INFESTATIONS OF FRUIT BORER, HELICOVERPA ARMIGERA (LEPIDOPTERA: NOCTUIDAE) ON TOMATO
(HAJEE MOHAMMOD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR, 2017-06)Tomato fruit borer, Helicoverpa armigera (Hubner) is one of the most destructive pests of tomatoes throughout the world. The experiment was carried out on BARI tomato 2 (Ratan) in an ambient temperature under laboratory ... -
Biology and leaf consumption of mango defoliator Cricula trifenestrata Helfer (Lepidoptera: Saturniidae)
(HAJEE MOHAMMAD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR., 2007-11)A study was undertaken to observe the biology and leaf consumption of mango defoliator, Cricula trifenestrata Helfer in the laboratory, Department of Entomology, Hajee Mohammad Danesh Science and lechnology University ... -
Biology and management of cucurbit fruit fly Bactrocera cucurbitae (Coquillett) on sweet gourd
(HAJEE MOHAMMAD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR., 2007-11)The study was conducted to observe the biology and management practices of Bactrocera cucurbitae on sweet gourd. The results of the biology showed that the mean pre-oviposition, oviposition, incubation, larval and pupal ... -
BIOLOGY AND PREDATION EFFICIENCY OF MENOCHILUS SEXMACULATUS (COLEOPTERA: COCCINELLIDAE) ON BEAN APHID
(HAJEE MOHAMMOD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR, 2014-12)A detailed research work was carried out in the laboratory of the Department of Entomology, HSTU, Dinajpur to study the life history and predation efficiency of Menochilus sexmaculatus (Coccinellidae: Coleoptera) on bean ... -
Biology and predation efficiency of Menochilus sexmaculatus (Fab.)
(HAJEE MOHAMMAD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR., 2007-05)This study conducted the biology, morphological characteristics and predation efficiency of lady beetle Menochilus sexmaculatus. The mean pre-oviposition period of the beetle was observed 3.9 days, while the oviposition ... -
BIOMORPHOMETRICS AND EFFECT OF NEEM OIL ON THE FOOD CONSUMPTION OF LEMON BUTTERFLY, Papilio demoleus L. (LEPIDOPTERA: PAPILIONIDAE)
(HAJEE MOHAMMAD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR., 2006-11)Biology and effect of neem oil on the feeding behaviour of lemon butterfly, Papilo demoleus L. were studied in the Laboratory, Department of Entomology, Hajee Mohammad Danesh Science and Technology University, Dinajpur, ...