Dept. of Entomology: Recent submissions
Now showing items 81-100 of 102
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POPULATION DYNAMICS AND EFFICACY OF PLANT EXTRACTS AGAINST THE SPIRALING WHITEFLY, ALEURODICUS DISPERSUS RUSSELL (HOMOPTERA: ALEYRODIDAE)
(HAJEE MOHAMMAD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR., 2012)The spiraling whitefly, Aleurodicus dispersus Russell (Homoptera: Aleyrodidae) is the most important and damaging pest of the guava orchards in Bangladesh, Seasonal abundance and population trends of spiraling whitefly, ... -
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, ... -
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 ... -
Infestation and life table parameters of fruit fly on cucurbitaceous crop
(HAJEE MOHAMMAD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR., 2010-08)Comparative infestation assessment and life table parameters of Bactrocera cucurbitae were studied on five cucurbitaceous crop viz. ash gourd, ridge gourd, sweet gourd, bitter gourd and snake gourd. Results indicated ... -
EFFECT OF SOME INDIGENOUS PLANT EXTRACTS AGAINST LESSER GRAIN BORER, RHYZOPERTHA DOMINICA (COLEOPTERA : BOSTRICHIDAE)
(HAJEE MOHAMMOD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR, 2013-12)The study was carried out in the laboratory of the Department of Entomology, Hajee Mohammad Danesh Science and Technology University, Dinajpur during the period from April to December 2012 to evaluate the efficacy of ... -
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 ... -
PERFORMANCE OF SOME ECO-FRIENDLY MANAGEMENT PRACTICES FOR COMBATING OKRA SHOOT AND FRUIT BORER, EARIAS VITTELLA (FAB.)
(HAJEE MOHAMMAD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR., 2016-12)The study was conducted in the experimental field of Department of Entomology, Hajee Mohammad Danesh Science and Technology University, Dinajpur, during the period from February to June, 2016 to evaluate the effect of ... -
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 ... -
INSECT FAUNA DYNAMICS AND IMPACT OF BEE POLLINATION IN THE SANDBAR PUMPKIN PRODUCTION
(HAJEE MOHAMMAD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR., 2013-12)The experiment was carried out to explore the insect diversity of sandbar area of Tista River located at Gangachara upazilla in Rangpur district where pumpkin production has a great socio-economic impact on sandbar ... -
EFFECTIVENESS OF BOTANICAL OILS IN PROTECTING STORED GREEN GRAM FROM PULSE BEETLE, CALLOSOBRUCHUS MACULATUS (COLEOPTERA: BRUCHIDAE)
(HAJEE MOHAMMOD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR, 2014-12)The pulse beetle, Callosobruchus maculatus Fabricius (Bruchidae: Coleoptera), is a major pest of economically important leguminous grains. Experiments were conducted to study the bio-efficacies of different oils against ... -
EFFICACY OF EDIBLE OILS AS GRAIN PROTECTANT AGAINST PULSE BEETLE, CALLOSOBRUCHUS MACULATUS (F) IN STORED BLACKGRAM SEED
(HAJEE MOHAMMOD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR, 2013-12)The experiment was conducted at the Department of Entomology, Hajee Mohammad Danesh Science and Technology University, Dinajpur during May to October 2012. The efficacies of seven edible oils viz. kalozira, mustard, palm, ... -
CONSEQUENCE OF HOST PLANTS AND SEASONS ON THE BIOLOGY OF THE TWO-SPOTTED SPIDER MITE TETRANYCHUS URTICAE (KOCH)
(HAJEE MOHAMMOD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR, 2013-12)The two-spotted spider mite, Tetranychus urticae Koch (Tetranychidae), is highly polyphagous and serious pest of vegetables, fruits and other crops in Bangladesh. There are many factors are responsible for buildup the ... -
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 ... -
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 ... -
SEASONAL ABUNDANCE AND CONTROL OF SPIRALING WHITEFLY, ALEURODICUS DISPERSUS RUSSELL
(HAJEE MOHAMMOD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR, 2011-12)The spiraling whitefly, Aleurodicus dispersus Russell (Homoptera: Aleyrodidae) is the major pest of different agricultural and horticultural crops in Bangladesh. As a part of this study seasonal abundance of spiraling ... -
EVALUATION OF NONCHEMICAL MANAGEMENT PRACTICES AGAINST BROWN PLANT HOPPER, NILAPARVATA LUGENS (STAL.) (HOMOPTERA: DELPHACIDAE)
(HAJEE MOHAMMAD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR., 2014-12)The investigation was made to evaluate the effectiveness of nonchemical management practices against brown plant hopper (BPH), Nilaparvata lugens (Stal.). The treatments of the cultural practices were three different ... -
INSECTICIDAL POTENCY OF SOME INDIGENOUS PLANT EXTRACTS AGAINST RICE WEEVIL, Sitophilus oryzae (L.) (CURCULIONIDAE: COLEOPTERA)
(HAJEE MOHAMMAD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR., 2013-12)Experiments were conducted to study the bioefficacy of some indigenous plant extracts against rice weevil, Sitophilus oryzae L. in the laboratory of the Department of Entomology, Hajee Moharnimad Danesh Science and ... -
EFFECT OF VARIETIES AND INSECTICIDES ON THE ABUNDANCE OF PESTS AND PREDATORS OF COTTON IN BANGLADESH
(HAJEE MOHAMMAD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR., 2007-05)Study with the different varieties of cotton and its pests indicate that the varieties having dense hairs and trichoms e.g. CB-9 and CB-5 are more tolerant to sucking pest’s rather smooth varieties. But, bollworms and ... -
Feeding and life history of Spodoptera litura (Lepidoptera: Noctuidae) on different cotton varieties
(HAJEE MOHAMMOD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR, 2009-08)Feeding and life history of Spodoptera litura were studied with cotton varieties viz. CB9, CB10 and SROS. The cotton varieties varied with their morphological characteristics. The biochemical analysis showed that the ... -
EFFECT OF , CA4LOTROPIS PROCERA AITON LEAF EXTRACT AGAINST BEAN APHID, APHIS CRACCIVORA KOCH.
(HAJEE MOHAMMOD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR, 2009-08)An investigation was carried out to evaluate the toxicity, repellency and residual effect of akanda leaf extract in two solvents (ethyl alcohol and chloroform) on population of bean aphid, Aphis craccivora. 0.035 mg/cm’, ...