Dept. of Entomology: Recent submissions
Now showing items 81-94 of 94
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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’, ... -
INCIDENCE AND CONTROL OF THRIPS TABACI (THYSANOPTERA: THRIPIDAE) ON ONION USING NEEM LEAF EXTRACTS
(HAJEE MOHAMMAD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR., 2016-12)The experiment was conducted to study the incidence of onion thrips, Thrips tabaci (Lindeman) in field conditions and mortality also tested using three different solvent (acetone, petroleum benzene and distilled water) ... -
EFFECT OF BISHKATALI PLANT (POLYGONUM HYDROPIPER) EXTRACT AGAINST RED FLOUR BEETLE, TRIBOLIUM CASTANEUM
(HAJEE MOHAMMOD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR, 2006-11)An investigation was carried out in the laboratory of the Department of Entomology, Hajee Mohammad Danesh Science and Technology University, Dinajpur during March-August, 2006, to evaluate the toxicity, repellency ...