| how species-specific is the phoretic relationship between the broad mite, polyphagotarsonemus latus (acari: tarsonemidae), and its insect hosts? | broad mite, polyphagotarsonemus latus (acari: tarsonemidae), is a serious plant pest in tropical and subtropical regions. phoretic associations between broad mite and two genera of whiteflies (insecta: homoptera: aleyrodidae). namely bemisia and trialeurodes, have been reported from different parts of the world. our purpose was to determine the specificity of the association between the mite and its phoretic hosts. two host plants, potatoes and cucumbers, were used to study these relationships i ... | 2001 | 11523917 |
| fusarium semitectum, a potential mycopathogen against thrips and mites in chilli, capsicum annuum. | in india, chilli (capsicum annuum l.) suffers with a characteristic leaf curl symptoms due to the attack of mite, polyphagotarsonemus latus (banks) (acari: tarsonemidae) and thrips, scirtothrips dorsalis hood (thysanoptera: thripidae) or both. experiments were conducted in the fields of college of agriculture, shimoga, india during kharif (september 2003 to january 2004) and summer (march-june) 2004. after proving its pathogenicity, the potential of the mycopathogen, fusarium semitectum was eval ... | 2006 | 17385513 |
| pathogenicity of fusarium semitectum against crop pests and its biosafety to non-target organisms. | microbial control is receiving more attention, since these alternative tactics, compared to chemical control methods, are energy saving, non polluting, ecologically sound and sustainable. a mycopathogen, fusarium semitectum berk. and rav. (arsef 7233) was isolated from diseased cadavers of aphid (aphis gossypii) and cultured in saboraud maltose agar supplemented with yeast extract medium (smay). being isolated first time from the chilli ecosystem its potential was evaluated. experiments were con ... | 2006 | 17385514 |
| [mites associated with soybean crop in rio grande do sul state, brazil]. | during the last growing seasons, high infestations of phytophagous mites were observed in the state of rio grande do sul, brazil, becoming necessary to apply pesticides for their control. the objective of this study was to identify phytophagous and predatory mite species associated with soybean in ten counties of that state, during the 2002/03 and 2003/04 growing seasons, in five soybean cultivars (a 6001 rg, a 7001 rg, a 8000 rg, a 8100 rg, anta 82), all genetically modified. in samples of soyb ... | 2007 | 17607464 |
| acarological diagnostic research at the diagnostic centre for plants during the period 2004-2006. | during the period 2004-2006, 1691 samples of different origin were examined at the diagnostic centre for plants. we received 1046 samples of imported plant material for detection and identification of quarantine organisms. more than 200 samples were checked on mites and insects to get a phytosanitary certificate for export and 391 samples were investigated for diagnostic reason. the berlese-funnel and dissecting microscopy technique were used to separate mites from the samples. for identificatio ... | 2007 | 18399474 |
| evaluation of metarhizium anisopliae (deuteromycota: hyphomycetes) for control of broad mite polyphagotarsonemus latus (acari: tarsonemidae) in mulberry. | a study on 12 entomopathogenic fungi for controlling broad mite (polyphagotarsonemus latus (banks)) in mulberry found that metarhizium anisopliae ckm-048 was the most virulent strain in controlling both larvae and adult broad mites at the concentration of 2 x 10(8) conidia/ml. there was no ovicidal effect when tested with broad mite eggs. median lethal concentrations (lc(50)) of m. anisopliae in killing larvae and adults were 8.7 x 10(6) and 1.3 x 10(7 )conidia/ml, respectively. median lethal ti ... | 2008 | 18483792 |
| induction of systemic resistance in plants by biochar, a soil-applied carbon sequestering agent. | biochar is the solid coproduct of biomass pyrolysis, a technique used for carbon-negative production of second-generation biofuels. the biochar can be applied as a soil amendment, where it permanently sequesters carbon from the atmosphere as well as improves soil tilth, nutrient retention, and crop productivity. in addition to its other benefits in soil, we found that soil-applied biochar induces systemic resistance to the foliar fungal pathogens botrytis cinerea (gray mold) and leveillula tauri ... | 2010 | 20701489 |
| how promising is lasioseius floridensis as a control agent of polyphagotarsonemus latus? | the blattisociid mite lasioseius floridensis berlese was found associated with the broad mite, polyphagotarsonemus latus (banks), on gerbera leaves in mogi das cruzes, state of sao paulo, brazil. blattisociid mites are not common on aerial plant parts, except under high air humidity levels. some lasioseius species have been mentioned as effective control agents of rice pest mites, but nothing is known about the biology of l. floridensis. the objective of this study was to evaluate whether the ob ... | 2012 | 22273817 |
| lethal and sublethal effects of pesticides in the management of polyphagotarsonemus latus (banks) (acari: tarsonemidae) on capsicum annuum l. | the evaluation of lethal and sublethal effects are of great importance for a complete assessment of the total impact of chemical compounds upon pest populations and the development of management strategies. at this study, the lethal and sublethal effects of different synthetic and botanical products were evaluated upon the broad mite, polyphagotarsonemus latus (banks), a major pest of capsicum annuum l and other crops. | 2017 | 28296187 |
| dispersal of amblyseius swirskii (acari: phytoseiidae) on high-tunnel bell peppers in presence or absence of polyphagotarsonemus latus (acari: tarsonemidae). | amblyseius swirskiiathias-henriot (acari: phytoseiidae) is a predatory mite used to control thrips (thysanoptera), whiteflies (bemisia tabaci genn., hemiptera: aleyrodidae), and broad mites (bms) (polyphagotarsonemus latus banks, acari: tarsonemidae). dispersal of a. swirskii, using the ornamental pepper "explosive ember" as a banker plant was evaluated for control of bms in high-tunnel peppers. open-canopy plants (5 weeks old) versus closed-canopy plants (10-weeks old) were used to evaluate the ... | 2017 | 28025305 |
| amblyseius swirskii: what made this predatory mite such a successful biocontrol agent? | the predatory mite amblyseius swirskii quickly became one of the most successful biocontrol agents in protected cultivation after its introduction into the market in 2005 and is now released in more than 50 countries. there are several key factors contributing to this success: (1) it can control several major pests including the western flower thrips, frankliniella occidentalis, the whiteflies bemisia tabaci and trialeurodes vaporariorum and the broad mite, polyphagotarsonemus latus, simultaneou ... | 2015 | 25524511 |
| host preference, population growth and injuries assessment of polyphagotarsonemus latus (banks) (acari: tarsonemidae) on capsicum annuum l. genotypes. | despite the continued efforts on the search for different genotypes, capsicum annuum (l.) is quite susceptible to attack by pest arthropods, especially the broad mite polyphagotarsonemus latus banks. thus, the host preference, population growth and the injuries assessment of p. latus was studied on six c. annuum genotypes used in brazil (atlantis, california wonder, impact, palloma, rubia and tendence). host preference was accessed in choice tests, pairing the several genotypes, and the populati ... | 2016 | 27296280 |
| [do capsicum spp. trichomes influence the biological aspects of the broad mite, polyphagotarsonemus latus banks (acari: tarsonemidae)?]. | plant morphology traits can affect the feeding preference, oviposition choice and the vulnerability of herbivores to natural enemies. at long term, these plant variations may influence herbivore population dynamics due to the interference on their development, survival and reproduction. in this paper, the development of the broad mite polyphagotarsonemus latus (banks) was evaluated on five species of capsicum with different density of trichomes. we tested the hypothesis that p. latus population ... | 2009 | 19943005 |
| performance of amblyseius herbicolus on broad mites and on castor bean and sunnhemp pollen. | amblyseius herbicolus (banks) is found associated with broad mites polyphagotarsonemus latus in crops such as chili pepper in brazil. the species has a potential for controlling p. latus, but little is known about its development and reproduction on this pest as well as on other food sources. we studied biological, reproductive and life table parameters of a. herbicolus on three different diets: broad mites, castor bean pollen (ricinus communis) and sunnhemp pollen (crotalaria juncea). the preda ... | 2013 | 23417701 |
| lime sulfur toxicity to broad mite, to its host plants and to natural enemies. | an acaricidal effect of lime sulfur has not been demonstrated for polyphagotarsonemus latus. however, lime sulfur can cause toxicity to natural enemies and to host plants. in this study, the toxicity of different concentrations of lime sulfur to p. latus, to the predatory mite amblyseius herbicolus and to the predatory insect chrysoperla externa was evaluated. additionally, the phytotoxicity of lime sulfur to two p. latus hosts, chili pepper and physic nut plants, was determined. | 2013 | 23175352 |
| seasonal variation in the populations of polyphagotarsonemus latus and tetranychus bastosi in physic nut (jatropha curcas) plantations. | studies on the seasonal variation of agricultural pest species are important for the establishment of integrated pest control programs. the seasonality of pest attacks on crops is affected by biotic and abiotic factors, for example, climate and natural enemies. besides that, characteristics of the host plant, crop management, location and the pests' bioecology also affect this seasonality. the mites polyphagotarsonemus latus (prostigmata: tarsonemidae) and tetranychus bastosi (prostigmata: tetra ... | 2015 | 25910991 |
| biochar potential in intensive cultivation of capsicum anuum l. (sweet pepper): crop yield and plant protection. | the influence of various biochars on crop yield and disease resistance of capsicum anuum l. (sweet pepper) under modern, high-input, intensive net house cultivation was tested over the course of 2011 to 2014 in the arava desert region of israel. a pot experiment with lactuca sativa l. (lettuce) grown in the absence of fertilizer employed the 3-year old field trial soils to determine if biochar treatments contributed to soil intrinsic fertility. | 0 | 28612389 |
| biological control of broad mites (polyphagotarsonemus latus) with the generalist predator amblyseius swirskii. | the broad mite is a serious pest of a variety of crops worldwide. several phytoseiid mites have been described to control these mites. however, broad mites are still one of the major pest problems on greenhouse pepper in south-eastern spain. the generalist predatory mite a. swirskii is widely used against other pests of pepper plants such as thrips and whiteflies, the latter being a vector of broad mites. we assessed the potential of a. swirskii to control broad mites. the oviposition rate of a. ... | 2010 | 20191312 |
| [biology, thermal requirements and fertility life table of the broad mite polyphagotarsonemus latus (banks) (acari: tarsonemidae) in grape (vitis vinifera l.) cv. italia]. | the mite polyphagotarsonemus latus (banks) constitutes one of the main pest of grape crop at the submédio são francisco valley. the objective of this work was to study the biology of the broad mite polyphagotarsonemus latus (banks), to determine its thermal requirements and its fertility life table in grape (vitis vinifera l.) cv. italy. acclimatized chambers (bod) were used, adjusted to the temperatures of 18, 22, 25, 28 and 32 degrees c, relative humidity of 65 +/- 10% and alternated light of ... | 2007 | 17352078 |
| suitability of the predatory mites iphiseiodes zuluagai and euseius concordis in controlling polyphagotarsonemus latus and tetranychus bastosi on jatropha curcas plants in brazil. | one of the most promising plant species for biofuel production in brazil is the physic nut jatropha curcas. major phytosanitary problems include the attack of two pest mite species, the broad mite polyphagotarsonemus latus and the spider mite tetranychus bastosi. owing to pesticide-related problems, there is an increasing demand for sustainable environmental-friendly control methods such as biological control. in this study we evaluated the suitability of the predatory mite species iphiseiodes z ... | 2011 | 20844929 |
| [effect of temperature on developmental duration of amblyseius cucumeris]. | with polyphagotarsonemus latus as its prey, the developmental duration of amblyseius cucumeris was 13.02, 9.61, 5.96, 5.26, 4.65, 4.78, and 5.80 days at 18, 20, 23, 25, 28, 30, and 31 degrees c, respectively. the eggs of a. cucumeris could not hatch at 32 degrees c. the lower and upper developmental thresholds and the optimum developmental temperature of a. cucumeris from eggs to adults were 12.77 degrees c, 33.50 degrees c and 23.87 degrees c, respectively. | 2003 | 15031928 |
| glyphosate sub-lethal toxicity to non-target organisms occurring in jatropha curcas plantations in brazil. | weed management in physic nut plantations has generally been performed by spraying the herbicide glyphosate. however, the effects of glyphosate on non-target organisms present in the crop system are unknown. here, we evaluated the toxicity of glyphosate (roundup transorb(®)) against the pest species polyphagotarsonemus latus (acari: tarsonemidae) and tetranychus bastosi (acari: tetranychidae) which can be exposed by drift. these mites are considered pests of the physic nut; however, they can als ... | 2016 | 27502112 |
| selection and characterization of beauveria spp. isolates to control the broad mite polyphagotarsonemus latus (banks, 1904) (acari: tarsonemidae). | this study was performed under laboratory conditions to identify isolates of the fungus beauveria spp. that can control polyphagotarsonemus latus in the greenhouse and field. thirty beauveria spp. isolates were tested by spraying 1 ml conidia (1 × 108 conidia/ml) on pepper leaf discs containing 15 mites. evaluations were performed on the 3rd and 6th day post application by counting the number of dead mites. vegetative growth and conidial production were measured from the selected isolates, and b ... | 2017 | 27332672 |
| geostatistics as a tool to study mite dispersion in physic nut plantations. | spatial distribution studies in pest management identify the locations where pest attacks on crops are most severe, enabling us to understand and predict the movement of such pests. studies on the spatial distribution of two mite species, however, are rather scarce. the mites polyphagotarsonemus latus and tetranychus bastosi are the major pests affecting physic nut plantations (jatropha curcas). therefore, the objective of this study was to measure the spatial distributions of p. latus and t. ba ... | 2015 | 25895655 |
| cold hardiness of the broad mite polyphagotarsonemus latus (acari: tarsonemidae). | the cold hardiness of the broad mite, polyphagotarsonemus latus, a key pest in rhododendron simsii hybrid production in northwestern europe, was investigated in the laboratory. survival of eggs, larvae and female adults and reproduction capacity of female p. latus were evaluated following cold exposure at 7 °c. adult females were also exposed to temperatures of 2 and -3 °c. further, the supercooling point and lower lethal times of adult females were determined. no eggs survived exposure to 7 °c ... | 2015 | 25758635 |
| the effect of cold storage of potted azalea on broad mite infection. | in potted azalea (rhododendron simsii hybrids) the broad mite polyphagotarsonemus latus (banks) is considered a severe pest with an important economic impact. although chemical control is available, permitted acaricides are limited and have a restricted number of applications. therefore, growers have a keen interest in alternative control measures. recently, research on the behaviour and population dynamics of p. latus on azalea leaf disks stored at different temperatures indicated that survival ... | 2015 | 27145576 |
| sampling plans for pest mites on physic nut. | the starting point for generating a pest control decision-making system is a conventional sampling plan. because the mites polyphagotarsonemus latus and tetranychus bastosi are among the most important pests of the physic nut (jatropha curcas), in the present study, we aimed to establish sampling plans for these mite species on physic nut. mite densities were monitored in 12 physic nut crops. based on the obtained results, sampling of p. latus and t. bastosi should be performed by assessing the ... | 2014 | 24682638 |
| temperature-dependent development of the broad mite polyphagotarsonemus latus (acari: tarsonemidae) on rhododendron simsii. | the broad mite, polyphagotarsonemus latus (banks), is one of the major pests causing severe economic damage in rhododendron simsii planch hybrid production in belgium. in order to optimize biological control programs and to parameterize warning programs, we studied the effect of environmental temperature on the development of p. latus on r. simsii leaves. in combination with a photoperiod of 16:8 h (l:d) and a relative humidity of 80 ± 5 %, six constant temperatures (15, 17, 20, 25, 30 and 33 ± ... | 2014 | 24509789 |
| climate conditions affecting the within-plant spread of broad mites on azalea. | the broad mite polyphagotarsonemus latus (banks) is considered a major pest in potted azalea, flanders' flagship ornamental crop of rhododendron simsii hybrids. in addition to severe economic damage, the broad mite is dreaded for its increasing resistance to acaricides. due to restrictions in the use of broad spectrum acaricides, belgian azalea growers are left with only three compounds, belonging to two mode of action groups and restricted in their number of applications, for broad mite control ... | 2014 | 26084090 |
| susceptibility and physiological responses of jatropha curcas accessions to broad mite infestation. | the broad mite polyphagotarsonemus latus is a key pest of physic nut (jatropha curcas l.). the purpose of this study was to identify physic nut accessions that are less susceptible to p. latus, in support of the breeding program of j. curcas. we first evaluated population growth rate and injury symptoms of p. latus on different j. curcas accessions and then carried out physiological analyses on p. latus-infested and uninfested accessions. from the germplasm bank of the federal university of viço ... | 2013 | 23456604 |
| screening rhododendron spp. for broad mite (polyphagotarsonemus latus) resistance. | | 2013 | 25145243 |
| potential of the predatory mite, amblyseius swirskii to suppress the broad mite, polyphagotarsonemus latus on the gboma eggplant, solanum macrocarpon. | in benin, the tarsonemid mite polyphagotarsonemus latus (banks) (prostigmata: tarsonemidae) is a key pest of gboma eggplant solanum macrocarpon (l.) (solanales: solanaceae), a leafy vegetable on which it causes considerable damage to the plants and substantial reduction in yield. predatory mites in the family phytoseiidae have been successfully used in the biological control of numerous agricultural pests worldwide. in that respect, a population of the phytoseiid mite amblyseius swirskii (athias ... | 2012 | 22962997 |
| acaricides and predatory mites against the begonia mite, polyphagotarsonemus latus (acari: tarsonemidae), on hedera helix. | in recent years, the begonia mite (polyphagotarsonemus lotus) has become an important threat to different ornamental cultures in warm greenhouses. at present there are no professional plant protection products registered in belgium for the control of mites of the tarsonemidae family. in a screening trial, we evaluated the efficacy of a range of different acaricides: abamectin, milbemectin, pyridaben, spirodiclofen. based on the results of the screening trial several products were selected for a ... | 2009 | 20218530 |
| [relationships between eggplant leaf pubescent and its resistance to polyphagotarsonemus latus]. | with 27 eggplant varieties as test objects, this paper studied the effects of their leaf pubescent on the field population density of polyphagotarsonemus latus, its injury index on eggplant leaf, and population growth rate. the results showed that the density and length of leaf pubescent differed with eggplant varieties. for the same variety, leaf pubescence had a higher density but a shorter length on reverse side than on obverse side. among the test varieties, 7 resistant varieties had a signi ... | 2007 | 17396529 |
| a laboratory-based method to measure relative pesticide and spray oil efficacy against broad mite, polyphagotarsonemus latus (banks)(acari: tarsonemidae). | six pesticides and two spray oils were tested against polyphagotarsonemus latus. the chemicals were evaluated under laboratory conditions, requiring the development of a novel bioassay method, which is reported here. the pesticide toxicities fell into three distinct groups, namely abamectin, conventional pesticides and oils. the relative pesticide toxicities at the lc50 level were abamectin 4.9 x 10(-8) g ai 1(-1), endosulfan 1.1 x 10(-3) g ai 1(-1), fenpyroximate 2.3 x 10(-3) g ai 1(-1), pyrida ... | 1996 | 8952071 |