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Journal articles on the topic 'Microbial insecticide'

Author: Grafiati
Published: 4 June 2021
Last updated: 3 February 2022

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1

Mansfield, Sarah, Richard J. Chynoweth, Mark R. H. Hurst, Alasdair Noble, Sue M. Zydenbos, and Maureen O'Callaghan. "Novel bacterial seed treatment protects wheat seedlings from insect damage." Crop and Pasture Science 68, no. 6 (2017): 527. http://dx.doi.org/10.1071/cp17176.

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Insecticidal seed treatments are used commonly worldwide to protect seedlings against root feeding insects. Organophosphate insecticides that have been used for seed treatments are being phased out and replaced with neonicotinoid insecticides. Concerns about the environmental impact of neonicotinoids have prompted a search for alternatives. Microbial insecticides are a biological alternative for seed treatments to target root feeding insects. Six field trials with organophosphate granules (diazinon, chlorpyrifos), neonicotinoid seed treatment (clothianidin) and microbial (Serratia entomophila)
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Cloyd, Raymond A. "Compatibility of Insecticides with Natural Enemies to Control Pests of Greenhouses and Conservatories." Journal of Entomological Science 41, no. 3 (2006): 189–97. http://dx.doi.org/10.18474/0749-8004-41.3.189.

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Natural enemies used as biological control agents may not always provide adequate control of plant-feeding insects in greenhouses and conservatories. Research continues to assess the utilization of natural enemies in conjunction with biorational insecticides including insect growth regulators, insecticidal soaps, horticultural oils, feeding inhibitors, and microbial agents (entomogenous bacteria and fungi, and related microorganisms); and the potential compatibility of both strategies when implemented together. A variety of factors influence the ability of using natural enemies with insecticid
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Crisol-Martínez, Eduardo, Laura T. Moreno-Moyano, Ngare Wilkinson, et al. "A low dose of an organophosphate insecticide causes dysbiosis and sex-dependent responses in the intestinal microbiota of the Japanese quail (Coturnix japonica)." PeerJ 4 (May 5, 2016): e2002. http://dx.doi.org/10.7717/peerj.2002.

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Organophosphate insecticides have been directly or indirectly implicated in avian populations declining worldwide. Birds in agricultural environments are commonly exposed to these insecticides, mainly through ingestion of invertebrates after insecticide application. Despite insecticide exposure in birds occurring mostly by ingestion, the impact of organophosphates on the avian digestive system has been poorly researched. In this work we used the Japanese quail (Coturnix japonica) as an avian model to study short-term microbial community responses to a single dose of trichlorfon at low concentr
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Oliveira, Jean César de, Aline Barbosa Arruda, Ana Paula Cipriano Borges, Matheus Vinicius Abadia Ventura, Renato Cardoso Teixeira, and Ricardo Araújo Alves. "INFLUENCE OF INSECTICIDES AND FUNGICIDES IN THE RIZOSPHERE OF UNCONVENTIONAL FOOD PLANTS (UFP's)." Ipê Agronomic Journal 3, no. 2 (2020): 64–69. http://dx.doi.org/10.37951/2595-6906.2019v3i2.5320.

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The rhizosphere is the region of influence of the roots of the plants in the soil that provide environment favorable to the maximum microbial activity. As the maximum microbial activity occurs in the rhizosphere, several benefits are added to this environment, since it becomes a source of biodiversity of microorganisms capable of maintaining the ecological balance, and also provide significant improvements for plants the soil and for the environment. The objective of this work was to evaluate the influence of xenobiotics (fungicides and insecticides) in an isolated and combined way on the micr
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Reed, J. P., A. J. Keaster, R. J. Kremer, and H. D. Kerr. "Microbial degradation of some soil-applied insecticides, herbicides, and insecticide-herbicide combinations." Bulletin of Environmental Contamination and Toxicology 42, no. 5 (1989): 676–81. http://dx.doi.org/10.1007/bf01700387.

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6

Withers, T. M., M. C. Watson, M. S. Watt, T. L. Nelson, L. A. Harper, and M. R. H. Hurst. "Laboratory bioassays of new synthetic and microbial insecticides to control Eucalyptus tortoise beetle Paropsis charybdis." New Zealand Plant Protection 66 (January 8, 2013): 138–47. http://dx.doi.org/10.30843/nzpp.2013.66.5570.

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Paropsis charybdis or eucalyptus tortoise beetle is (one of) the most significant pests of eucalypts in New Zealand It severely defoliates Eucalyptus nitens and Eucalyptus globulus plantations leaving heavilydamaged trees with reduced growth and poor form Laboratory bioassays of new synthetic and microbial insecticides were undertaken to identify management options compatible with biological control The current insecticide used for operational control alphacypermethrin was a positive control Of the products tested spinetoram (Sparta) gave the most promising results (100 mortality after 14 days
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Lopez-Carvajal, Arturo, R. Leonel Grijalva-Contreras, and Fabian Robles-Contreras. "Chemical Control of the European Asparagus Aphid (Brachycorynella asparagi Mordvilko) in Northwestern Mexico." HortScience 30, no. 4 (1995): 828E—828. http://dx.doi.org/10.21273/hortsci.30.4.828e.

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Asparagus growers in the Caborca, Sonora, area consider disulfoton the only efficient insecticide for the control of the European asparagus aphid (EAA); therefore, this is the only insecticide used to control this pest. However, it is prohibited in Mexico. Therefore, during Fall 1991 in a commercial plantation of asparagus, six conventional and one microbial insecticides were evaluated. All the insecticides: chlorpirifos (480 g a.i./ha), dimethoate (400 g), malathion (2000 g), pirimicarb (375 g), oxamil (480 g), disulfoton (1000 g), and two doses of the fungus Verticillium lecanii (300 and 600
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Isah, U., and M. A. Ahmad. "Microorganisms as bioinsecticides; short review." Bayero Journal of Pure and Applied Sciences 12, no. 1 (2020): 274–79. http://dx.doi.org/10.4314/bajopas.v12i1.42s.

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Hundred thousand tons of chemical insecticides are used annually in Nigeria to combat insect disease vectors especially agricultural pests, but this sort of vector control method is gradually being substituted due to their environmental effects on non-target beneficial insects especially vertebrates through contamination of food and water. To counteract this contamination, attention, efforts and researches were directed to the use of biological control agents including insect pathogens. As a result, the use of bio insecticide, as a component of integrated pest management (IPM), has been gainin
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Wahyuni, Sri, E. Sulaeman, and A. N. Ardiwinata. "PELAPISAN UREA DENGAN ARANG AKTIF YANG DIPERKAYA MIKROBA DAPAT MEMPERCEPAT PENURUNAN KONSENTRASI RESIDU INSEKTISIDA HEPTAKLOR DI LAHAN SAWAH." Informatika Pertanian 25, no. 2 (2018): 155. http://dx.doi.org/10.21082/ip.v25n2.2016.p155-162.

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Heptachlor insecticide is a toxic organochlorine insecticide, persistent and bio-cummulative in the environment. Remediation using actived carbon and microbial is a solution to pollution due to pesticide in the environment.The objective of this study was to obtain fertilizer technology using urea with activated carbon and enriched with microbes degrading heptachlor insecticide in order to reduce the insecticide residue in paddy fields. The research was conducted at the Jakenan Experimental Station between February to September 2012. The soil used as the planting medium was brought from the vil
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10

Wirth, Margaret C., Armelle Del�cluse, and William E. Walton. "Cyt1Ab1 and Cyt2Ba1 from Bacillus thuringiensis subsp. medellin and B. thuringiensis subsp. israelensis Synergize Bacillus sphaericus against Aedes aegypti and Resistant Culex quinquefasciatus (Diptera: Culicidae)." Applied and Environmental Microbiology 67, no. 7 (2001): 3280–84. http://dx.doi.org/10.1128/aem.67.7.3280-3284.2001.

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ABSTRACT The interaction of two cytolytic toxins, Cyt1Ab fromBacillus thuringiensis subsp. medellinand Cyt2Ba from Bacillus thuringiensis subsp.israelensis, with Bacillus sphaericus was evaluated against susceptible and resistant Culex quinquefasciatus and the nonsensitive species Aedes aegypti. Mixtures of B. sphaericus with either cytolytic toxin were synergistic, and B. sphaericusresistance in C. quinquefasciatus was suppressed from >17,000- to 2-fold with a 3:1 mixture of B. sphaericusand Cyt1Ab. This trait may prove useful for combating insecticide resistance and for improving the acti
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11

Hauxwell, Caroline. "Against the one hundredth locust: the commercial use of insect pathogens." Microbiology Australia 29, no. 1 (2008): 45. http://dx.doi.org/10.1071/ma08045.

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Insect pathology has a long history dating back to the earliest studies in microbiology. A select few of the many known insect pathogens can be produced and used on an industrial scale as biopesticides and are championed for their low environmental impact. The commercial application of microbial insecticides has been limited competition with chemical insecticides. However, the advent of gene technology led to a multibillion dollar industry incorporating bacterial toxins into insect resistant transgenic crops, and in the development of expression vectors. Recent use of insect pathogens in Austr
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12

Labbé, Roselyne M., Dana Gagnier, Rebecca Rizzato, Amanda Tracey, and Cara McCreary. "Assessing New Tools for Management of the Pepper Weevil (Coleoptera: Curculionidae) in Greenhouse and Field Pepper Crops." Journal of Economic Entomology 113, no. 4 (2020): 1903–12. http://dx.doi.org/10.1093/jee/toaa092.

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Abstract The pepper weevil, Anthonomus eugenii Cano, is an economically important pest of field and greenhouse pepper crops in North America. In this study, a series of insecticides covering a broad-spectrum of insecticidal modes of action were assessed for their potential in managing the pepper weevil under laboratory and greenhouse conditions. To accomplish this, laboratory mini-spray tower and greenhouse cage trials were conducted that evaluated the efficacy of 16 conventional, reduced-risk, and microbial insecticides. In laboratory trials, adult weevils were sprayed with insecticides, plac
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13

Abd El-Ghany, Nesreen M., Atef Sayed Abdel-Razek, Ibrahim M. A. Ebadah, and Youssf A. Mahmoud. "Evaluation of some microbial agents, natural and chemical compounds for controlling tomato leaf miner, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae)." Journal of Plant Protection Research 56, no. 4 (2016): 372–79. http://dx.doi.org/10.1515/jppr-2016-0055.

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AbstractSolanaceous plants have a great economic impact in Egypt. These groups of plants include potatoes, tomatoes and eggplants. The new invasive pest of tomatoes, Tuta absoluta (Meyrick) causes the greatest crop losses which can range from 60 to 100%. After its detection in Egypt during the last half of 2009, it spread quickly to all provinces in the country. We aiming to propose a sustainable control program for this devastating pest. In this research we tested three groups of control agents. The first was microbial and natural, the second - plant extracts and the third - chemical insectic
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14

HIMENO, Michio. "The future and present of a microbial insecticide, Bacillus thuringiensis." Journal of the agricultural chemical society of Japan 64, no. 10 (1990): 1603–6. http://dx.doi.org/10.1271/nogeikagaku1924.64.1603.

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15

Van Rie, J., W. McGaughey, D. Johnson, B. Barnett, and H. Van Mellaert. "Mechanism of insect resistance to the microbial insecticide Bacillus thuringiensis." Science 247, no. 4938 (1990): 72–74. http://dx.doi.org/10.1126/science.2294593.

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16

Wang, Tieying. "Microbial insecticide model and homoclinic bifurcation of impulsive control system." International Journal of Biomathematics 14, no. 06 (2021): 2150043. http://dx.doi.org/10.1142/s1793524521500431.

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A new microbial insecticide mathematical model with density dependent for pest is proposed in this paper. First, the system without impulsive state feedback control is considered. The existence and stability of equilibria are investigated and the properties of equilibria under different conditions are verified by using numerical simulation. Since the system without pulse has two positive equilibria under some additional assumptions, the system is not globally asymptotically stable. Based on the stability analysis of equilibria, limit cycle, outer boundary line and Sotomayor’s theorem, the exis
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17

Hindersah, Reginawanti, Wahyuda Rachman, Betty Natalie Fitriatin, and Dedi Nursyamsi. "Populasi Mikrob di Rizosfer dan Pertumbuhan Caisim (Brassica juncea) di Tanah Dikontaminasi Insektisida Organoklorin setelah Aplikasi Konsorsia Mikrob dan Kompos." Jurnal Natur Indonesia 15, no. 2 (2015): 115. http://dx.doi.org/10.31258/jnat.15.2.115-120.

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Organochlorine insecticide hed been banned for agriculture but nowadays its residue was still found in some agriculturalsoil. One of ways to lower organochlorine residue in soil is by using degrading-organochlorine microbial consortiaaccompanied by compost application. However, application of exogenous microbes might affect bacterial and fungalpopulation in soil and hence plant growth. The pot experiment has been set up to verify the influence of Pseudomonasmallei and Trichoderma sp. and compost on total bacteria and fungi on rhizosphere of caisim (Brassica juncea L.) grownon Andisols which we
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Oliveira, Carolina Natali de, Pedro Manuel Oliveira Janeiro Neves, and Lídio Sueki Kawazoe. "Compatibility between the entomopathogenic fungus Beauveria bassiana and insecticides used in coffee plantations." Scientia Agricola 60, no. 4 (2003): 663–67. http://dx.doi.org/10.1590/s0103-90162003000400009.

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Microbial control in integrated pest management (IPM) programs of coffee plantations is an important factor for the reduction of pest population densities. The use of selective pesticides can be associated with entomopathogens, increasing the efficiency of the control and reducing the use of required insecticides. The in vitro fungitoxic effect of insecticide formulations of Thiamethoxam, Cyfluthrin, Deltamethrin, Alpha-Cypermethrin, Triazophos, Chlorpyrifos, Fenpropathrin and Endosulfan and Beauveria bassiana (CG 425 strain) was evaluated at three concentrations (FR = average field recommenda
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Peres, Fernanda Salles Cunha, Fabiano André Petter, Daniela Tiago da Silva Campos, et al. "Microbial Activity of a Plinthosol With Application of Thiamethoxam Insecticide and Biochar." Journal of Agricultural Science 11, no. 15 (2019): 52. http://dx.doi.org/10.5539/jas.v11n15p52.

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Although thiamethoxam is an insecticide widely used in agriculture, its high mobility and persistence in the soil can result in contamination of groundwater and alteration in biogeochemical cycles. The objective of this study was to verify the effect of biochar, NPK fertilizer and thiamethoxam insecticide on soil microbial properties. The experiment was conducted in a randomized block design composed of the doses combination of mineral fertilizer NPK (0 and 300 kg ha-1 of the formulated 05-25-15), and biochar (0, 8, 16 and 32 t ha-1) in the absence and presence of thiamethoxam. Deformed soil s
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Jones, W. Jack, Christopher S. Mazur, John F. Kenneke, and A. Wayne Garrison. "Enantioselective Microbial Transformation of the Phenylpyrazole Insecticide Fipronil in Anoxic Sediments." Environmental Science & Technology 41, no. 24 (2007): 8301–7. http://dx.doi.org/10.1021/es071409s.

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ZHANG, Baoguo, Hongxun ZHANG, Bo JIN, et al. "Effect of cypermethrin insecticide on the microbial community in cucumber phyllosphere." Journal of Environmental Sciences 20, no. 11 (2008): 1356–62. http://dx.doi.org/10.1016/s1001-0742(08)62233-0.

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Balusu, Rammohan, and Henry Y. Fadamiro. "Susceptibility ofMicrotheca ochroloma(Coleoptera: Chrysomelidae) to Botanical and Microbial Insecticide Formulations." Florida Entomologist 96, no. 3 (2013): 914–21. http://dx.doi.org/10.1653/024.096.0327.

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Zhang, Min, Yongchao Liang, Alin Song, et al. "Loss of soil microbial diversity may increase insecticide uptake by crop." Agriculture, Ecosystems & Environment 240 (March 2017): 84–91. http://dx.doi.org/10.1016/j.agee.2017.02.010.

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Gilbert, E. S., A. W. Walker, and J. D. Keasling. "A constructed microbial consortium for biodegradation of the organophosphorus insecticide parathion." Applied Microbiology and Biotechnology 61, no. 1 (2003): 77–81. http://dx.doi.org/10.1007/s00253-002-1203-5.

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Cycoń, Mariusz, and Zofia Piotrowska-Seget. "Biochemical and microbial soil functioning after application of the insecticide imidacloprid." Journal of Environmental Sciences 27 (January 2015): 147–58. http://dx.doi.org/10.1016/j.jes.2014.05.034.

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Lal, Rup, Gunjan Pandey, Pooja Sharma, et al. "Biochemistry of Microbial Degradation of Hexachlorocyclohexane and Prospects for Bioremediation." Microbiology and Molecular Biology Reviews 74, no. 1 (2010): 58–80. http://dx.doi.org/10.1128/mmbr.00029-09.

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SUMMARY Lindane, the γ-isomer of hexachlorocyclohexane (HCH), is a potent insecticide. Purified lindane or unpurified mixtures of this and α-, β-, and δ-isomers of HCH were widely used as commercial insecticides in the last half of the 20th century. Large dumps of unused HCH isomers now constitute a major hazard because of their long residence times in soil and high nontarget toxicities. The major pathway for the aerobic degradation of HCH isomers in soil is the Lin pathway, and variants of this pathway will degrade all four of the HCH isomers although only slowly. Sequence differences in the
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Kioulos, E., G. Koliopoulos, E. A. Couladouros, and A. Michaelakis. "Preliminary studies for the attract-and-kill strategy against Culex pipiens." ENTOMOLOGIA HELLENICA 17 (June 1, 2017): 3. http://dx.doi.org/10.12681/eh.11611.

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The attract-and-kill strategy requires an intelligent and an efficient combination of an attractant and a killing agent such as a pheromone and an insecticide respectively. The production of the synthetic oviposition pheromone of the mosquito species Culex quinquefasciatus (Diptera: Culicidae) was already achieved and its combination with three different insecticides were tested. Furthermore three larvicides, an insect growth regulator (pyriproxyfen), an organophosphate (temephos) and a microbial (Bacillus thuringiensis subsp. israelensis) were tested in the laboratory against Culex pipiens bi
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López, L., C. Pozo, M. A. Gómez, C. Calvo, and J. González López. "Studies on the effects of the insecticide aldrin on aquatic microbial populations." International Biodeterioration & Biodegradation 50, no. 2 (2002): 83–87. http://dx.doi.org/10.1016/s0964-8305(01)00128-7.

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Erler, Fedai, Ersin Polat, Halil Demir, Huseyin Cetin, and Tugba Erdemir. "Evaluation of Microbial Products for the Control of the Mushroom Phorid Fly, Megaselia halterata (Wood)." Journal of Entomological Science 44, no. 2 (2009): 89–97. http://dx.doi.org/10.18474/0749-8004-44.2.89.

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Over the last decade, mushroom production has become one of the most actively developing fields of agriculture in Turkey. About 45% of the total mushroom production and >50% of the total compost production occurs in the Antalya-Korkuteli district (southwestern Turkey). Major insect pests of mushroom production are cecidomyiid, sciarid and phorid flies with Megaselia halterata (Wood) (Diptera: Phoridae) being the most common species in the district. In the present study, two commercial microbial products [a bacterial larvicide, Bacillus thuringiensis var. israelensis Berliner (Bti) comme
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Barden, Graeme. "Regulation of Microbial Organisms in Australia – A Technical Overview." Phytoprotection 79, no. 4 (2005): 14–21. http://dx.doi.org/10.7202/706150ar.

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The National Registration Authority for Agricultural and Veterinary Chemicals (NRA) is the regulatory body responsible for the coordinated registration, regulation and review of agricultural and veterinary (agvet) chemicals up to and including the point of retail sale. This role is defined by the Agvet Code, 1994. Each of Australia's eight states and territories retains its own jurisdictional controls over the use of agricultural and veterinary products. The NRA may issue permits to exercise control over research agricultural and veterinary (agvet) chemicals. Under defined emergency conditions
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Bhagabati, Kalyanee Sharma, and Hemen Sarma. "Differential effects of pesticides on soil microflora in cultivated soil of Indian rice field agro-ecosystems." Journal of Applied and Natural Science 3, no. 2 (2011): 277–79. http://dx.doi.org/10.31018/jans.v3i2.196.

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The present study was carried out to evaluate the effect of indiscriminant use of common pesticides especially insecticide on the population of soil micro flora in cultivated soil of Indian rice field agro-ecosystems. Endosulfan and Dichlorvos @ 1ml/l (normal dose) did not show any adverse effect on soil micro flora; but a high dose 2ml/l showed a negative effect. On the other hand Carbofuran @ 9 kg/acre (normal dose) and 12kg/ acre (high dose) showed an adverse effect on the growth of actinomycetes, bacteria and fungi. The important findings of the present study is that the effect on microbes
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AliNiazee, M. T., Amin Alhumeyri, and M. Saeed. "LABORATORY AND FIELD EVALUATION OF A NEEM INSECTICIDE AGAINST ARCHIPS ROSANUS L. (LEPIDOPTERA: TORTRICIDAE)." Canadian Entomologist 129, no. 1 (1997): 27–33. http://dx.doi.org/10.4039/ent12927-1.

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AbstractA commercial formulation of neem seed extract, Margosan-O, containing 0.3% AI azadirachtin, was tested under laboratory and field conditions against the European leafroller, Archips rosanus L. In laboratory tests, a 1% aqueous solution of neem insecticide produced 100% larval mortality within 48 h of treatment. At lower concentrations of 0.1 and 0.01%, 48-h mortality rates were reduced. Prolonged deleterious effects of sublethal treatments of neem were observed even at the lowest concentration (0.001%) tested. Mortality in the 0.1 and 0.01% treatments group reached 100% within 32–39 da
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Akien-Alli IJ, Dokubo, KO, Otali CC, and Braide W. "Impact of different doses of deltamethrine on soil microbial density and crop growth." GSC Advanced Research and Reviews 8, no. 3 (2021): 036–42. http://dx.doi.org/10.30574/gscarr.2021.8.3.0175.

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The effects of agrochemicals pollution on soil nutrients, soil microbes as well as plants cultivated on the soil were studied. Insecticide and herbicide were used to impact on the soil samples across concentration gradients. Bean and maize seeds were planted in separate experiments to monitor the effects of the agrochemicals on the plants. The microbial diversity and the physicochemical characteristics of the soil before and after pollution were determined using standard methods. Chlorophyll contents of the leaves were also determined after planting. Results indicated that bacterial isolates s
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DeVries, Terry A., and Robert J. Wright. "Evaluation of Microbial and Conventional Insecticides for Control of Larval European Corn Borer on Whorl Stage Corn, Clay Center, Ne, 1995." Arthropod Management Tests 21, no. 1 (1996): 218. http://dx.doi.org/10.1093/amt/21.1.218.

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Abstract Bacillus thuringiensis formulations and conventional insecticides were evaluated for efficacy against larval ECB in whorl stage field corn. All plots were planted without soil insecticide on 16 May. The experimental design was a RCB with 4 replicates. Each plot consisted of a single row, 40 ft long with a 30-inch row spacing. Plots were artificially infested with black-head stage ECB egg masses. The egg masses were deposited on wax paper discs, precounted in the laboratory and placed in the whorl of the infested plants on 30 Jun and 9 Jul. Crop growth stage was 37 and 57 inches extend
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Mauchline, N. A., and K. A. Stannard. "Evaluation of selected entomopathogenic fungi and bioinsecticides against Bactericera cockerelli (Hemiptera)." New Zealand Plant Protection 66 (January 8, 2013): 324–32. http://dx.doi.org/10.30843/nzpp.2013.66.5707.

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Entomopathogenic fungi could provide feasible pest management options for control of Bactericera cockerelli (Sulc) (Hemiptera Triozidae) an important pest of solanaceous crops in New Zealand In laboratory trials BotaniGard ES and BotaniGard 22WP (Beauveria bassiana; GHA strain) resulted in average nymph mortality of 82 which was significantly greater than the conventional insecticide Oberon (63) or the microbial standard eNtocide L (63) (P
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Domínguez-Arrizabalaga, Mikel, Maite Villanueva, Baltasar Escriche, Carmen Ancín-Azpilicueta, and Primitivo Caballero. "Insecticidal Activity of Bacillus thuringiensis Proteins against Coleopteran Pests." Toxins 12, no. 7 (2020): 430. http://dx.doi.org/10.3390/toxins12070430.

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Bacillus thuringiensis is the most successful microbial insecticide agent and its proteins have been studied for many years due to its toxicity against insects mainly belonging to the orders Lepidoptera, Diptera and Coleoptera, which are pests of agro-forestry and medical-veterinary interest. However, studies on the interactions between this bacterium and the insect species classified in the order Coleoptera are more limited when compared to other insect orders. To date, 45 Cry proteins, 2 Cyt proteins, 11 Vip proteins, and 2 Sip proteins have been reported with activity against coleopteran sp
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Cáceres, Tanya P., Wenxiang He, Mallavarapu Megharaj, and Ravi Naidu. "Effect of insecticide fenamiphos on soil microbial activities in Australian and Ecuadorean soils." Journal of Environmental Science and Health, Part B 44, no. 1 (2008): 13–17. http://dx.doi.org/10.1080/03601230802519504.

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Kreutzweiser, D. P., K. P. Good, D. T. Chartrand, T. A. Scarr, and D. G. Thompson. "Toxicity of the Systemic Insecticide, Imidacloprid, to Forest Stream Insects and Microbial Communities." Bulletin of Environmental Contamination and Toxicology 80, no. 3 (2008): 211–14. http://dx.doi.org/10.1007/s00128-007-9347-8.

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Jaques, Robert P., and Daniel R. Laing. "EFFECTIVENESS OF MICROBIAL AND CHEMICAL INSECTICIDES IN CONTROL OF THE COLORADO POTATO BEETLE (COLEOPTERA: CHRYSOMELIDAE) ON POTATOES AND TOMATOES." Canadian Entomologist 120, no. 12 (1988): 1123–31. http://dx.doi.org/10.4039/ent1201123-12.

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AbstractThe control of the Colorado potato beetle, Leptinotarsa decemlineata (Say), by formulations of Bacillus thuringiensis (Berliner) (B.t.) and other microbial agents and chemical insecticides was assessed in field plots of potatoes and tomatoes over a 5-year period. Applications of formulations of thuringiensin, the beta exotoxin of B.t., and of B.t. var. son diego (B.t.sd.) to potatoes reduced numbers of larvae of the potato beetle compared with the nontreated check and resulted in yields significantly greater than from the check plots and, in most cases, similar to yields from plots tre
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40

Meher, S. M., S. L. Bodhankar, Arun Kumar, J. N. Dhuley, D. J. Khodape, and S. R. Naik. "Toxicity Studies of Microbial Insecticide Bacillus thuringiensis var. kenyae in Rats, Rabbits, and Fish." International Journal of Toxicology 21, no. 2 (2002): 99–105. http://dx.doi.org/10.1080/10915810252866079.

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Bacillus thuringiensis var. kenyae (B.t.k.) is a microbial insecticide effective against lepidopteran pest species. Acute oral toxicity in rats and acute dermal toxicity, ocular irritation, skin irritation in rabbits were studied for the wettable powder formulation of B.t.k. In addition, toxicity of the wettable powder formulation was also studied in fresh water fish ( Gambussia affinis). The results of these studies indicate that this wettable powder formulation of B.t.k. is nontoxic and nonirritant to rats, rabbits, and fish.
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41

Huang, Yaohua, Ziqiu Lin, Wenping Zhang, et al. "New Insights into the Microbial Degradation of D-Cyphenothrin in Contaminated Water/Soil Environments." Microorganisms 8, no. 4 (2020): 473. http://dx.doi.org/10.3390/microorganisms8040473.

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Persistent use of the insecticide D-cyphenothrin has resulted in heavy environmental contamination and public concern. However, microbial degradation of D-cyphenothrin has never been investigated and the mechanism remains unknown. During this study, for the first time, an efficient D-cyphenothrin-degrading bacterial strain Staphylococcus succinus HLJ-10 was identified. Response surface methodology was successfully employed by using Box-Behnken design to optimize the culture conditions. At optimized conditions, over 90% degradation of D-cyphenothrin (50 mg·L−1) was achieved in a mineral salt me
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Pang, Shimei, Ziqiu Lin, Yuming Zhang, et al. "Insights into the Toxicity and Degradation Mechanisms of Imidacloprid Via Physicochemical and Microbial Approaches." Toxics 8, no. 3 (2020): 65. http://dx.doi.org/10.3390/toxics8030065.

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Imidacloprid is a neonicotinoid insecticide that has been widely used to control insect pests in agricultural fields for decades. It shows insecticidal activity mainly by blocking the normal conduction of the central nervous system in insects. However, in recent years, imidacloprid has been reported to be an emerging contaminant in all parts of the world, and has different toxic effects on a variety of non-target organisms, including human beings, due to its large-scale use. Hence, the removal of imidacloprid from the ecosystem has received widespread attention. Different remediation approache
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43

Souza, Tamara D. de, Alisson C. Borges, Antonio T. de Matos, Ann H. Mounteer, and Maria E. L. R. de Queiroz. "Removal of chlorpyrifos insecticide in constructed wetlands with different plant species." Revista Brasileira de Engenharia Agrícola e Ambiental 21, no. 12 (2017): 878–83. http://dx.doi.org/10.1590/1807-1929/agriambi.v21n12p878-883.

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ABSTRACT The objective of this study was to evaluate the remediation of water containing the insecticide chlorpyrifos by using constructed wetlands (CW) cultivated with Polygonum punctatum, Cynodon spp. and Mentha aquatica, operated under different hydraulic retention times: 24, 48, 96, 144 and 192 h. The system efficiency was based on reduction of the initial concentration of chlorpyrifos and toxicity of the contaminated water. The results showed that constructed wetlands are an excellent alternative for remediation of the insecticide chlorpyrifos in aqueous medium. It was observed that the a
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Cho, Seung-Hak, Suk-Ho Kang, Yea-Eun Lee, et al. "Distribution of Toxin Genes and Enterotoxins in Bacillus thuringiensis Isolated from Microbial Insecticide Products." Journal of Microbiology and Biotechnology 25, no. 12 (2015): 2043–48. http://dx.doi.org/10.4014/jmb.1506.06025.

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Lodhi, A., N. N. Malik, T. Mahmood, and F. Azam. "Response of Soil Microflora, Microbial Biomass and Some Soil Enzymes to Baythroid (An Insecticide)." Pakistan Journal of Biological Sciences 3, no. 5 (2000): 868–71. http://dx.doi.org/10.3923/pjbs.2000.868.871.

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Bourque, S. N., J. R. Valéro, J. Mercier, M. C. Lavoie, and R. C. Levesque. "Multiplex polymerase chain reaction for detection and differentiation of the microbial insecticide Bacillus thuringiensis." Applied and Environmental Microbiology 59, no. 2 (1993): 523–27. http://dx.doi.org/10.1128/aem.59.2.523-527.1993.

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47

Griffiths, Bryan S., Sandra Caul, Jacqueline Thompson, et al. "Soil Microbial and Faunal Community Responses to Bt Maize and Insecticide in Two Soils." Journal of Environmental Quality 35, no. 3 (2006): 734–41. http://dx.doi.org/10.2134/jeq2005.0344.

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48

Gebreyohans, Gebreegziabher, Yonas Chokel, Tesfaye Alemu, and Fasil Assefa. "Management of Cabbage Aphid (Brevicoryne brassicae L. (Homoptera: Aphididae)) on Ethiopian Mustard (Brassica carinata Braun) using Entomopathogenic Fungi and Selected Insecticides." SINET: Ethiopian Journal of Science 44, no. 1 (2021): 13–26. http://dx.doi.org/10.4314/sinet.v44i1.2.

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Cabbage aphid (Brevicoryne brassicae L.) is an important sucking insect pest of cabbage and other vegetables. It can be controlled using continuous chemical insecticides that cause human health and environmental problems. The present study was, therefore, designed to evaluate antagonistic activities of indigenous entomopathogenic fungi together with selective insecticides within the context of integrated pest management (ipm). To this effect, four strains of entomopathogenic fungi from Beauveria bassiana and Metarhizium anisopliae were tested for their antagonistic activities against the cabba
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Pereira, J. L., M. C. Picanço, A. A. Silva, E. A. Santos, H. V. V. Tomé, and J. B. Olarte. "Effects of glyphosate and endosulfan on soil microorganisms in soybean crop." Planta Daninha 26, no. 4 (2008): 825–30. http://dx.doi.org/10.1590/s0100-83582008000400014.

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Transgenic soybean, resistant to glyphosate, is the most dominant transgenic crop grown commercially in the world. Research works on herbicide and insecticide mixtures and their effects on microorganisms are rarely reported. This work aimed to study the impact of glyphosate, endosulfan and their mixtures on the microbial soil activity in soybean crop. The experiment was carried out in a complete randomized block design with four treatments and five replications. The treatments were glyphosate 480 SL [540 g of active ingredient (a.i.) ha-1], endosulfan 350 EC (525 g a.i. ha-1), the glyphosate 4
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Ayyanath, M. M., C. L. Zurowski, I. M. Scott, et al. "Relationship BetweenDrosophila suzukiiand Postharvest Disorders of Sweet Cherry (Prunus avium)." Phytobiomes Journal 2, no. 1 (2018): 42–50. http://dx.doi.org/10.1094/pbiomes-02-17-0007-r.

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Spotted wing drosophila, Drosophila suzukii, utilizes intact ripe fruits for oviposition and larval development. Sweet cherry (Prunus avium) and D. suzukii share a saprophytic microbial community, or microbiome, that colonizes the interior and exterior of the fruit, which benefits the nutrition and development of the flies. Some of the microbes, specifically yeast species, are also reportedly associated with a newly described slip-skin-like disorder of sweet cherries. In British Columbia (BC), Canada, contact-based insecticides and fungicides are applied to sweet cherry to suppress D. suzukii
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