搜索结果: 1-13 共查到“农学 Bacillus thuringiensis”相关记录13条 . 查询时间(0.07 秒)
Efficacy of Bacillus thuringiensis, Mineral Oil, Insecticidal Emulsion and Insecticidal Gel Against Phyllocnistis citrella Stainton (Lepidoptera: Gracillariidae)
Phyllocnistis citrella Bacillus thuringiensis
2015/3/2
The efficacy of Bacillus thuringiensis, mineral oil, insecticidal emulsion (garlic extract, plant detergent soap
and food additive) and insecticidal gel (plant oil and plant extracts) to control the...
Short communication. First field assessment of Bacillus thuringiensis subsp. kurstaki aerial application on the colony performance of Apis mellifera L. (Hymenoptera: Apidae)
honeybee Btk field study Balearic Islands forest management impact
2014/10/24
Honeybee populations around the world are experiencing a decrease in colony numbers probably due to a combination of different causes, such as diseases, poor nutrition and frequent applications of ins...
Identification of New Cry Genes in Bacillus thuringiensis Isolates by Multiplex PCR and RFLP
Bacillus thuringiensis gene characterization biological control multiplex PCR Cry toxins
2010/11/12
Proteins produced by the bacteria Bacillus thuringiensis are widely used for pest control in
agriculture and reforestation. Those proteins are produced by genes known as cry genes. Some members of th...
Effectiveness of Bacillus thuringiensis var. kurstaki on Thaumetopoea solitaria Frey.（Lepidoptera：Thaumetopoeidae）Larvae in Laboratory Conditions
Biological control microbial control biopesticide entomopathogenic bacteria dose-mortality test
2009/1/9
This study was conducted to determine the effect of Bacillus thuringiensis var. kurstaki on the larvae of Thaumetopoea solitaria in the search for an alternative control method with minimal undesirabl...
Improvement of Bacillus thuringiensis Bioinsecticide Production by Fed-batch Culture on Low Cost Effective Medium
Bacillus thuringiensis cotton leave worm Fodder yeast-molasses medium
2010/11/12
Bacillus thuringiensis (B.t.) has been widely used in insect biocontrol programs, but the large scale production of this bacillus is expensive because of the high cost of the production processes (med...
Impact of Bacillus thuringiensis on Protein Content and Enzymes Activity of Spodoptera littoralis
Bacillus thuringiensis var. kurstaki Dipel-2x Spodoptera littoralis GOT GPT
2010/11/12
Effectiveness of the commercial formulation of Bacillus thuringiensis var. kurstaki “Dipel-2x” on the total protein content and the activity of three haemolymph enzymes acetylcholinesterase (AchE), gl...
Laboratory and Field Evaluations of Bacillus thuringiensis Berliner Insecticides Against Tobacco Budworm (Lepidoptera: Noctuidae)
Laboratory Field Evaluations Bacillus thuringiensis Insecticides Tobacco Budworm (Lepidoptera: Noctuidae)
2008/12/15
Studies were conducted to determine the effectiveness of Bacillus thuringiensis (Dipel ES, Condor OF) Berliner insecticides in controlling the tobacco budworm, Heliothis virescens (F.). Laboratory tes...
Genetic Basis for Variability of Cry1Ac Expression Among Commercial Transgenic Bacillus thuringiensis (Bt) Cotton Cultivars in the United States
Cotton Cry1Ac Expression Variability Genetic Basis
2008/5/23
The amount of Cry1Ac δ-endotoxin in transgenic Bacillus thuringiensis Berliner (Bt) or Bollgard cotton varies among commercial cultivars. These differences in expression have been correlated with surv...
Heliothine Larval Behavior on Transgenic Cotton Expressing a Bacillus thuringiensis Insecticidal Exotoxin, Vip3A
Cotton Heliothine Larval Behavior
2008/5/19
Field studies were performed during 2005 and 2006 to determine bollworm, Helicoverpa zea (Boddie), and tobacco budworm, Heliothis virescens (F.), larval behavior on conventional non-transgenic cotton ...
The Impact of Transgenic Cottons Expressing One or Two Proteins from Bacillus thuringiensis on Survival and Damage Potential of First and Second Instars of Ostrinia nubilalis (Lepidoptera: Crambidae)
Bacillus thuringiensis Proteins Transgenic Cottons
2008/5/8
European corn borer, Ostrinia nubilalis (Hübner), is susceptible to toxins produced by Bacillus thuringiensis (Berliner), but damage to Bollgard (Bt) cotton (Gossypium hirsutum L.), which produces the...
Characterization of Different Geographical Strains of Bacillus thuringiensis from Tamil Nadu
Bacillus thuringiensis Isolates
2010/11/10
Native strains of B. thuringiensis were isolated from soil samples collected from different
locations and characterized. The various parameters viz., shape, motility, gram reaction, presence of spore...
Comparative Biological Activity of the Residual Bacillus Thuringiensis Strains Against a Susceptible Laboratory Strain of Pink Bollworm, Pectinophora Gossypiella Saunders, (Lepidoptera: Gelechiidae)
Pectinophora gossypiella Bacillus thuringiensis subsp kurstaki and subsp aizawai
2010/11/8
We evaluated effects of Bacillus thuringiensis subspp. aizawai and kurstaki, in the same
concentration as those isolated from sprayed plants at 0, 1, 3 and7 days post spraying, on the biological and ...
Genetic Transformation of Bacillus thuringiensis Insecticidal Toxic Genes to E. Coli Against Spodoptra littoralis (Boisd.)
Transformation Bt isolates E. coli toxicity against S. littoralis larvae plasmid profile and SDS-PAGE
2010/11/9
The aim of this work is to transfer genes responsible for inducing toxin proteins from some local Bt isolates to the gram-negative E. coli strain using genetic transformation. three local Bt isolates ...