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Browsing Institute of Biological Sciences (IBSc) by Issue Date

Now showing items 1-20 of 85

Effect of Custard Apple (Annona Squamosa L.) Extract on the Mortality of the Red-Flour-,Beetle, Tribolium Castaneum HBST

Sultana, Mst. Shajia (University of Rajshahi, 1992)

The needs for evolution of pest management strategies basedon non-insecticidal chemicals having behavioural or physiological activity with insectistatic potential with or without selective insecticide deployment, has been ...
On the Incidence, Biotic Potency and Control of the Uzi Fly, Exorista Sorbillans Wiedemann, A Parasitoid of Silkworm, Bombyx Mori L.

Jahan, Md. Sarwar (University of Rajshahi, 1996)

The silkworm rearers in Bangladesh are menacingly facing the infestation of the Uzi fly that causes severe damage to the silkworm cocoon crops. According to Rahman and Rahman (1976, 1978), the Uzi fly is a serious larval ...
Upgradation of Jute Retting by Pectinolytic Bacteria at Farmers' Level for the Improvement of Fibre Quality

Zaman, Md. Zulficquer (University of Rajshahi, 1996)

Fourteen bacterial colonies have been isolated from jute retting bacterial collections from farmers' retting tanks in the districts of Rajshahi and Pabna. Out of these fourteen bacterial colonies only three are found to ...
Studies on in Vitro Propagation of Aegle Marmelos. Corr.

Karim, Md. Razaul (University of Rajshahi, 1996)

The aun of the present investigation was to standardize in vitro culture techniques for plant regeneration and root induction from the different explants such as, embryo, cotyledon. hypocotyl, leaf and nucellar tissue ...
Studies on the Effect of Extractions of Different Parts of Amoora Sp. on the red Flour Beetle, Tribolium Castaneum (HBST.)"

Islam, Md. Nurul (1996)

The Meliaceae is a botanical family confined lo tropical and subtropical areas with a distribution from the rain forest to the mangrove 􀀦wamps and semi-deserts. Many species of this family are used as drugs and in traditional ...
E;ffect of gamma radiation Oil Tribolium castaneum (Herbst) and Tribolium co11fusum Duval

Mullick, Md. Hanif (University of Rajshahi, 2002)

The radiosensitivity of 7: casta11eum and 7: COT!fusum was determined with particular reference to male sterilisation. The younger stages were found to be more radisensitive than the older ones in both the species. Adults, ...
Biological factors of Mental Retardation among the tribal population in Dinajpur

Ali, Md. Solaiman (University of Rajshahi, 2003)

This research was designed mainly to study the biological factors of mental retardation among the tribal population in Dinajpur area of Bangladesh. Randomly selected 83 tribal and 78 non-tribal cases of mental retardation ...
Phytoplankton Dynamics in A Lentic Water Body-Bagha Dighi, Rajshahi, Bangladesh

Alom, Md. Nurul (University of Rajshahi, 2004)

The dynamics of phytoplankton with the physico-chemical conditions of water, bottom soil nutrients, related flora and fauna of large lentic water body - Bagha dighi, have been studied during the period from July 2002 to ...
Environmental Pollution, Health Hazards and Quality of Life of Workers in Tobacco Industries: A Case Study

Saha, Nitai Kumar (University of Rajshahi, 2004)

The present study was an attempt to investigate the effect of Environmental Pollution on Health Hazards and Quality of Life of Workers in Tobacco Industries, The study was conducted on a sample of 540 workers-340 from ...
Morphology and Anatomy of Some Fireflies (Coleoptera: Lampyridae) of Bangladesh

Queen, Mst. Kasturi Amina (University of Rajshahi, 2004)

Morphology and anatomy of five species of firefly (Lucio/a chinensis, L. ova/is, L. sp., Diaphones sp. and Lamprigera sp.) of Bangladesh have been investigated in the present study. Of these Lucio/a chinensis, L. ova/is ...
In vitro Regeneration and GUS Gene Transformation in Rice (Oryza sativa L.)

Asaduzzaman, Md. (University of Rajshahi, 2004)

Rice is the most important cereal crop in Bangladesh and it was the first attempt in Bangladesh to transform rice plant with target genes. As a new intervention deserves enormous efforts to develop the optimum conditions ...
Insecticidal Activty of Nishinda (Vitex Negundo) on Red Flour Beetle, Tribolium Castaneum (Hbst.)

Chowdhury, Nasima Yesmin (University of Rajshahi, 2004)

Insecticidal properties of nishinda (Vitex negundo L, family Verbinaceae) on red flour beetle (Tribolium castaneum Hbst.) was investigated. Bioactive compounds having pesticidal activities from nishinda leaves were isolated ...
Biology of the Parasitoids and Predators of Tribolium spp. (Coleoptera: Tenebrionidae)

Rahman, Farhana (University of Rajshahi, 2004)

Two parasitoids and one predator were recovered from the red llour beetle, Tribolium castaneum (Herbst) and the confused flour beetle, T. confi,sum Duval infested wheal flours. lbe larval-pupal parasitoids are Rhahdepyris ...
Cytogenetical Studies of Some Ladybird Beetles (Coleoptera: Coccinellidae) of Bangladesh

Das, Rina Rani (University of Rajshahi, 2004)

Twenty species or lady beetles, Hodalia fitfvescens Hoang, Sterthorus tetranychi Kapur, Scymnus nuhilus Mulsanl, /Jrumoides lineatus,(Weise), .Jauravia pallidula Motchulsky., Pharoscymnus taoi Sasaji, /lids indica ...
Behaviour in Relation to Diseases of the Mentally Retarded Persons in Rajshahi District

Mustary, Shabnam (University of Rajshahi, 2005)

This research entitled 'Behaviour in relation to diseases of the mentally retarded persons in Rajshahi District' is an attempt to explore some behavioural changes of the mentally retarded persons followed by eight specific ...
Integrated Management of Two-Spotted Spider Mite Infesting Beans

Naher, Najmoon (University of Rajshahi, 2005)

The extensive and intensive survey of two-spotted spider mite (TSSM), Tetranychus urticae Koch, its biology and management on host plant, bean (Lablab purpureus L.) in Rajshahi City Corporation area were studied. The ...
Incidence of Red Rot Disease of Sugarcane in Thakurgaon and Rajshahi Areas with Especial Reference to Ecological Factors

Kabir, Md. Humayun (University of Rajshahi, 2006)

A set of biotic and abiotic habitat factors that determine the distribution, growth and reproduction of species. Physiochemical I. e. abiotic factors are fundamentally important. They vary from place to place. For each ...
Toxicity of Plant Seed Oils on Some Microbes and the Lesser Meal Worm, Alphitobius Diaperinus (Panzer) (Coleoptera: Tenebrionidae)

Patoary, Md Raufun (University of Rajshahi, 2006)

Bioactivity and insecticidal properties of seeds of different plants, e.g., natai (Caesalpinia bondne L., family-Fabaceae), alkushi (Mucuna pruriens L., familyPapilionaceae), Rakta Chandan (Adenanthera pavonina L., ...
Micropropagation and Commercial Utilization of Elite Genotypes of Banana (Musa Spp.)

Rahman, Md. Habibur (University of Rajshahi, 2006)

In the present investigation in vitro clonal propagation of six important banana cultivars viz., Sabari, Mehersagar, Ranginsagar, Jahaji, Agniswar and Binathuri and subsequent field evaluation of microclones for commercial ...
Legume Crops and Nitrogen Fixing Bacteria in Barind Tract

Molla, Md. Atiar Rahman (University of Rajshahi, 2007)

Legume Crops and Nitrogen Fixing Bacteria in Barind Tract Studies were undertaken to isolate, screen and characterize rhizobial bacteria from 12 different pulse legumes grown at different locations of Barind tract. Thirty-one ...

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