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Effect Sulfur On Pests

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https://www.readbyqxmd.com/read/29579240/lethal-and-sublethal-effects-of-various-pesticides-on-trichogramma-achaeae-hymenoptera-trichogrammatidae
#1
João Fontes, Inés Sanchez Roja, João Tavares, Luísa Oliveira
Little information is available regarding the lethal and sublethal effects of pesticides on Trichogramma achaeae (Nagaraja and Nagarkatti; Hymenoptera: Tricogrammatidae) during integrated management of Tuta absoluta (Meyrick; Lepidoptera: Gelechiidae), an important pest for tomato production. Twenty-two pesticides sprayed on Ephestia kuehniella (Zeller; Lepidoptera: Pyralidae) eggs were evaluated on the mortality of adult parasitoids upon contact with the hosts 24 h after the treatments and their sublethal effects on the parasitoids were assessed in laboratory conditions...
May 28, 2018: Journal of Economic Entomology
https://www.readbyqxmd.com/read/29058103/effects-of-transgenic-expression-of-brevibacterium-linens-methionine-gamma-lyase-mgl-on-accumulation-of-tylenchulus-semipenetrans-and-key-aminoacid-contents-in-carrizo-citrange
#2
Elenor Castillo, Federico Martinelli, Florence Zakharov-Negre, Susan E Ebeler, Tom R Buzo, Michael V McKenry, Abhaya M Dandekar
Carrizo transgenic plants overexpressing methionine-gamma-lyase produced dimethyl sulfide. The transgenic plants displayed more resistance to nematode attacks (Tylenculus semipenetrans) and may represent an innovative strategy for nematode control. Tylenchulus semipenetrans is a nematode pest of many citrus varieties that causes extensive damage to commercial crops worldwide. Carrizo citrange vr. (Citrus sinensis L. Usb × Poncirus trifoliate L. Raf) plants overexpressing Brevibacterium linens methionine-gamma-lyase (BlMGL) produced the sulfur volatile compound dimethyl sulfide (DMS)...
November 2017: Plant Molecular Biology
https://www.readbyqxmd.com/read/27173451/hplc-tof-ms-and-hplc-ms-ms-combined-with-multivariate-analysis-for-the-characterization-and-discrimination-of-phenolic-profiles-in-nonfumigated-and-sulfur-fumigated-rhubarb
#3
Yan Yan, Qianqian Zhang, Fang Feng
Sulfur fumigation has recently been used during the postharvest handling of rhubarb to reduce the drying duration and control pests. However, a few reports question the effect of sulfur fumigation on the bioactive components of rhubarb, which is crucial for the quality evaluation of the herbal medicine. The bottleneck limiting the study comes from the complex compounds that exist in herb samples with diverse structural features, wide concentration range and the difficulty to obtain all the reference standards...
July 2016: Journal of Separation Science
https://www.readbyqxmd.com/read/26662118/the-effect-of-synthetic-pesticides-and-sulfur-used-in-conventional-and-organically-grown-strawberry-and-soybean-on-neozygites-floridana-a-natural-enemy-of-spider-mites
#4
Thiago Castro, Samuel Roggia, Vitalis W Wekesa, Rafael de Andrade Moral, Clarice Gb Demétrio, Italo Delalibera, Ingeborg Klingen
BACKGROUND: The beneficial fungus Neozygites floridana kills the two-spotted spider mite Tetranychus urticae, which is a serious polyphagous plant pest worldwide. Outbreaks of spider mites in strawberry and soybean have been associated with pesticide applications. Pesticides may affect N. floridana and consequently the natural control of T. urticae. N. floridana is a fungus difficult to grow in artificial media, and for this reason, very few studies have been conducted with this fungus, especially regarding the impact of pesticides...
September 2016: Pest Management Science
https://www.readbyqxmd.com/read/26470367/evaluation-of-sublethal-effects-of-sulfoxaflor-on-the-green-peach-aphid-hemiptera-aphididae-using-life-table-parameters
#5
Qiuling Tang, Min Xiang, Huimin Hu, Chunju An, Xiwu Gao
The green peach aphid, Myzus persicae (Sulzer), is an important insect pest of many crops around the world. Pesticide-induced hormesis may be an alternative mechanism for pest resurgence. In this study, life table parameters were applied to the estimation of sulfoxaflor-induced hormesis of adult M. persicae following 2-d LC25 concentration exposure. Leaf-dip bioassays showed that the sulfoxaflor possessed high toxicity against M. persicae, with an LC50 of 0.059 mg/liter. The results indicated that the exposure of the parent generation of M...
December 2015: Journal of Economic Entomology
https://www.readbyqxmd.com/read/26453716/lethal-and-sublethal-impacts-of-acaricides-on-tamarixia-radiata-hemiptera-eulophidae-an-important-ectoparasitoid-of-diaphorina-citri-hemiptera-liviidae
#6
A C S Lira, O Z Zanardi, V H Beloti, G P Bordini, P T Yamamoto, J R P Parra, G A Carvalho
The use of synthetic acaricides for management of pest mites may alter the efficacy of the ectoparasitoid Tamarixia radiata (Waterston) in biological control of Diaphorina citri Kuwayama, the vector of the bacteria associated with huanglongbing (HLB) in citrus orchards. We evaluated the toxicity of 16 acaricides that are recommended for the control of citrus-pest mites to T. radiata. Acrinathrin, bifenthrin, carbosulfan, and fenpropathrin caused high acute toxicity and were considered harmful (mortality >77%) to T...
October 2015: Journal of Economic Entomology
https://www.readbyqxmd.com/read/25172796/the-sulfur-fumigation-reduces-chemical-composition-and-biological-properties-of-angelicae-sinensis-radix
#7
Janis Ya-Xian Zhan, Ping Yao, Cathy Wen-Chuan Bi, Ken Yu-Zhong Zheng, Wendy Li Zhang, Jian-Ping Chen, Tina Ting-Xia Dong, Zi-Ren Su, Karl Wah-Keung Tsim
Angelica Sinensis Radix (roots of Angelica sinensis; ASR) is a popular herbal supplement in China for promoting blood circulation. Today, sulfur-fumigation is commonly used to treat ASR as a means of pest control; however, the studies of sulfur-fumigation on the safety and efficacy of ASR are very limited. Here, we elucidated the destructive roles of sulfur-fumigation on ASR by chemical and biological assessments. After sulfur-fumigation, the chemicals in ASR were significantly lost. The biological activities of anti-platelet aggregation, induction of NO production and estrogenic properties were compared between the water extracts of non-fumigated and sulfur-fumigated ASR...
September 25, 2014: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/24665718/changes-in-insecticide-resistance-of-the-rice-striped-stem-borer-lepidoptera-crambidae
#8
Jianya Su, Zhenzhen Zhang, Min Wu, Congfen Gao
Application of insecticides is the most important method to control Chilo suppressalis (Walker) (Lepidoptera: Crambidae), and continuous use of individual insecticides has driven the rapid development of insecticide resistance in C. suppressalis during the past 30 yr. Monitoring insecticide resistance provides information essential for integrated pest management. Insecticide resistance of field populations to monosultap, triazophos, chlorpyrifos, and abamectin in China was examined in 2010 and 2011. The results indicated that the resistance levels of 14 field populations to four insecticides were significantly different...
February 2014: Journal of Economic Entomology
https://www.readbyqxmd.com/read/24224263/development-of-a-methodology-and-evaluation-of-pesticides-against-aceria-litchii-and-its-predator-phytoseius-intermedius-acari-eriophyidae-phytoseiidae
#9
L H Azevedo, G J Moraes, P T Yamamoto, O Z Zanardi
The litchi erineum mite, Aceria litchii (Keifer), is the major pest of litchi, Litchi chinensis Sonnerat (Sapindaceae). This study evaluated the effect of 11 pesticides on the survival of A. litchii as well as on the survival and reproduction of Phytoseius intermedius Evans & McFarlane, the predator most found in association with it in Brazil. The containment of A. litchii in small petri dishes whose bottoms were covered with a solidified paste made of a mixture of gypsum and activated charcoal (9:1 in volume), kept humid, was shown to be adequate for this type of study...
October 2013: Journal of Economic Entomology
https://www.readbyqxmd.com/read/23590847/induced-resistance-against-the-asian-citrus-psyllid-diaphorina-citri-by-%C3%AE-aminobutyric-acid-in-citrus
#10
Siddharth Tiwari, Wendy L Meyer, Lukasz L Stelinski
β-Aminobutyric acid (BABA) is known to induce resistance to microbial pathogens, nematodes and insects in several host plant/pest systems. The present study was undertaken to determine whether a similar effect of BABA occurred against the Asian citrus psyllid, Diaphorina citri Kuwayama, in citrus. A 25 mM drench application of BABA significantly reduced the number of eggs/plant as compared with a water control, whereas 200 and 100 mM applications of BABA reduced the numbers of nymphs/plant and adults/plants, respectively...
October 2013: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/23377118/neuropathological-effect-of-dimethyl-disulfide-on-neurons-of-the-desert-locust-schistocerca-gregaria
#11
Amina E Essawy, Ibrahim A Gaaboub, Ashraf M Abdel-Moneim, Soad A El-Sayed
Botanical insecticides have introduced a new concept in insecticide research. In response to insect attacks, some plants can release volatile compounds that alter insect metabolism and nervous system activity. In the present study, changes in the electrical activity of chemoreceptors and alteration of the fine structure of metathoracic ganglia of desert locust were examined after acute exposure to dimethyl disulfide (DMDS), a sulfur compound released from Allium porrum. Animals were exposed to 1/4 LC50 of DMDS (0...
May 2015: Toxicology and Industrial Health
https://www.readbyqxmd.com/read/23068174/a-novel-method-for-controlling-multicolored-asian-lady-beetle-coleoptera-coccinellidae-in-vineyards
#12
Erik J Glemser, Lisa Dowling, Debra Inglis, Gary J Pickering, Wendy McFadden-Smith, Mark K Sears, Rebecca H Hallett
The introduced biological control agent Harmonia axyridis (Pallas) (Coleoptera: Coccinellidae) has attained pest status in North America as its presence in vineyards during harvest may compromise the quality of the resulting wine. Control of H. axyridis in vineyards is difficult as their populations may fluctuate daily, and there are few products registered to control this pest. Sulfur dioxide, in the form of potassium metabisulfite (KMS), is commonly used in wine as both an antimicrobial and an antioxidant...
October 2012: Environmental Entomology
https://www.readbyqxmd.com/read/22732621/population-density-and-phenology-of-tetranychus-urticae-acari-tetranychidae-in-hop-is-linked-to-the-timing-of-sulfur-applications
#13
J L Woods, A J Dreves, G C Fisher, D G James, L C Wright, D H Gent
The twospotted spider mite, Tetranychus urticae Koch, is a worldwide pest of numerous agronomic and horticultural plants. Sulfur fungicides are known to induce outbreaks of this pest on several crops, although mechanisms associated with sulfur-induced mite outbreaks are largely unknown. Studies were conducted during 2007-2009 in Oregon and Washington hop yards to evaluate the effect of timing of sulfur applications on T. urticae and key predators. In both regions, applications of sulfur made relatively late in the growing season (mid-June to mid-July) were associated with the greatest exacerbation of spider mite outbreaks, particularly in the upper canopy of the crop...
June 2012: Environmental Entomology
https://www.readbyqxmd.com/read/22342338/using-organic-certified-rather-than-synthetic-pesticides-may-not-be-safer-for-biological-control-agents-selectivity-and-side-effects-of-14-pesticides-on-the-predator-orius-laevigatus
#14
Antonio Biondi, Nicolas Desneux, Gaetano Siscaro, Lucia Zappalà
The generalist predator Orius laevigatus (Fieber) (Hemiptera: Anthocoridae) is a key natural enemy of various arthropods in agricultural and natural ecosystems. Releases of this predator are frequently carried out, and it is included in the Integrated Pest Management (IPM) programs of several crops. The accurate assessment of the compatibility of various pesticides with predator activity is key for the success of this strategy. We assessed acute and sublethal toxicity of 14 pesticides on O. laevigatus adults under laboratory conditions...
May 2012: Chemosphere
https://www.readbyqxmd.com/read/22326548/study-on-the-destructive-effect-to-inherent-quality-of-fritillaria-thunbergii-miq-zhebeimu-by-sulfur-fumigated-process-using-chromatographic-fingerprinting-analysis
#15
COMPARATIVE STUDY
Baozhong Duan, Linfang Huang, Shilin Chen
The after-harvesting sun-dried processing of Fritillariae thunbergii bulbus (Zhebeimu) was the traditional treatment for commodity. Over recent decades the natural drying process for bulbus of Fritillariae has been replaced by sulfur-fumigation for reducing the drying duration and pest control. We used ultra-performance liquid chromatography coupled with evaporative light scattering detection (UPLC-ELSD) fingerprinting analysis and major alkaloids determination to investigate the potential damaging effect of the sulfur-fumigating process...
April 15, 2012: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/21983877/chemical-control-of-the-red-palm-mite-raoiella-indica-acari-tenuipalpidae-in-banana-and-coconut
#16
Jose Carlos Verle Rodrigues, J E Peña
The red palm mite (RPM), Raoiella indica Hirst, is a predominant pest of coconuts, date palms and other palm species, as well as a major pest of bananas (Musa spp.) in different parts of the world. Recently, RPM dispersed throughout the Caribbean islands and has reached both the North and South American continents. The RPM introductions have caused severe damage to palm species, and bananas and plantains in the Caribbean region. The work presented herein is the result of several acaricide trials conducted in Puerto Rico and Florida on palms and bananas in order to provide chemical control alternatives to minimize the impact of this pest...
August 2012: Experimental & Applied Acarology
https://www.readbyqxmd.com/read/21735918/impact-of-vineyard-pesticides-on-a-beneficial-arthropod-typhlodromus-pyri-acari-phytoseiidae-in-laboratory-bioassays
#17
Angela N Gadino, Vaughn M Walton, Amy J Dreves
Laboratory bioassays were conducted to evaluate the effects of six vineyard pesticides on Typhlodromus pyri Scheuten (Acari: Phytoseiidae), a key predator of the mite Calepitrimerus vitis Nalepa (Acari: Eriophyoidae), in Pacific coastal vineyards. Materials tested were whey powder, 25% boscalid + 13% pyraclostrobin (Pristine), 40% myclobutanil (Rally), micronized sulfur (92% WP), 75% ethylene bisdithiocarbamate (mancozeb; Manzate), and 91.2% paraffinic oil (JMS Stylet), all applied at three concentrations. Pesticide dilutions were directly sprayed onto T...
June 2011: Journal of Economic Entomology
https://www.readbyqxmd.com/read/21722037/aquaculture-fouling-efficacy-of-potassium-monopersulphonate-triple-salt-based-disinfectant-virkon%C3%A2-aquatic-against-ciona-intestinalis
#18
S Christine Paetzold, Jeff Davidson
With the increasing spread of invasive marine species and their detrimental effects on aquaculture operations globally, mitigation strategies need to be optimized to mitigate economic impacts. The efficacy of a potassium monopersulphonate triple salt based disinfectant used in the aquaculture industry (Virkon® Aquatic at 0.5-5%) was evaluated against the solitary tunicate Ciona intestinalis, as well as the susceptibility of three different age groups of C. intestinalis to the treatment and the effect of the disinfectant on mussel mortality...
July 2011: Biofouling
https://www.readbyqxmd.com/read/21480463/populations-of-predators-and-parasitoids-of-bemisia-tabaci-hemiptera-aleyrodidae-after-the-application-of-eight-biorational-insecticides-in-vegetable-crops
#19
COMPARATIVE STUDY
Alvin M Simmons, Abd-Rabou Shaaban
BACKGROUND: The sweetpotato whitefly, Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae), is an important pest of vegetables and many other crops worldwide. Eight biorational insecticides (based on oil, plant derivatives, insect growth regulator and fungus) were evaluated in the field for their influence on populations of six natural enemies of B. tabaci. Natural populations of two predators [Chrysoperla carnea Stephen (Neuroptera: Chrysopidae) and Orius spp. (Hemiptera: Anthocoridae)] and two genera of parasitoids [Encarsia spp...
August 2011: Pest Management Science
https://www.readbyqxmd.com/read/21309226/reducing-the-impact-of-pesticides-on-biological-control-in-australian-vineyards-pesticide-mortality-and-fecundity-effects-on-an-indicator-species-the-predatory-mite-euseius-victoriensis-acari-phytoseiidae
#20
Martina B Bernard, Peter Cole, Amanda Kobelt, Paul A Horne, James Altmann, Stephen D Wratten, Alan L Yen
Laboratory bioassays on detached soybean, Glycine max (L.) Merr., leaves were used to test 23 fungicides, five insecticides, two acaricides, one herbicide, and two adjuvants on a key Australian predatory mite species Euseius victoriensis (Womersley) in "worst-case scenario" direct overspray assays. Zero- to 48-h-old juveniles, their initial food, and water supply were sprayed to runoff with a Potter tower; spinosad and wettable sulfur residues also were tested. Tests were standardized to deliver a pesticide dose comparable with commercial application of highest label rates at 1,000 liter/ha...
December 2010: Journal of Economic Entomology
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