Loading...


*  Russian wheat aphid - Wikipedia
Host plants: cereal grain crops including wheat and barley and to a lesser extent, wild grasses such as wheatgrasses, brome- ... The Russian wheat aphid (Diuraphis noxia) is an aphid that can cause significant losses in cereal crops. The species was ... Aphid infestation on wheat also affects the flour that is made from infested wheat plants. Aphid feeding in wheat results in ... After its detection in the US in 1986, the Russian wheat aphid quickly became a major pest of wheat and barley. The researches ...
  https://en.wikipedia.org/wiki/Russian_wheat_aphid
*  Grain and Oilseed Crop Field Surveys in South-Central North Dakota
The survey insect list included aphids, cereal leaf beetle, grasshoppers, and thrips (barley). ... The 133 surveyed fields included 110 wheat and 23 barley fields. Diseases included in the survey were bacterial leaf blight, ... Grain and Oilseed Crop Field Surveys in South-Central North Dakota. Greg Endres. , Brandt Lemer. , Marcia McMullen, Carl ... by the NDSU Extension Service to identify pest presence and agronomic production factors in small grain, corn and oilseed crops ...
  https://www.ag.ndsu.edu/archive/carringt/06data/06%20Annual%20Report/Grain%20and%20Oilseed%20Crop%20Field%20Surveys.htm
*  560. Pirimicarb (Pesticide residues in food: 1981 evaluations)
Cereal grains At 0.125-0.25 kg a.i./ha pirimicarb controls the grain aphid, Macrosiphum avenae, on cereals. Spraying is ... Residues of pirimicarb in barley and wheat, Canada 1978 Application rate Crop part Total carbamate residues (mg/kg) after Crop ... Aphids controlled by the compound include the peach-potato aphid, Myzus persicae, on leeks and watercress, shallot aphid, Myzus ... fodder crops 0.5 TABLE 9. (con't) Country Crop MRL (mg/kg) South Africa Cruciferae, oats, sorghum, wheat, peach 0.3 Peanut, ...
  http://inchem.org/documents/jmpr/jmpmono/v81pr26.htm
*  Guide to Wheat Diseases and Pests
English grain aphid) *Diuraphis noxis (Russian wheat aphid) Importance: Aphids are important and widespread pests on cereal ... Hosts/Distribution: In addition to wheat, host crops include rye, barley, and other grasses. There are a number of other flies ... Barley Yellow Dwarf Insect Pests. Aphids Stink Bugs Armyworms, Cutworms, and Stalk Borers Cereal Leaf Beetle Thrips Hessian Fly ... including all small grain cereals. Meloidogyne naasi appears to have specificity for cereals and grasses, and can be found ...
  https://wheat.pw.usda.gov/ggpages/wheatpests
*  Cereal aphid management app now available | Top Crop Manager
... has released the Cereal Aphid Manager app to help grain producers and crop advisors control cereal aphid popul... ... has released the Cereal Aphid Manager app to help grain producers and crop advisors control cereal aphid populations in wheat, ... The lifecycles of aphids and their enemies including their developmental stages, egg laying behaviour, population growth rate, ... barley, oats, and rye. This smartphone app predicts what the aphid population will be in seven days and the best time to apply ...
  https://www.topcropmanager.com/cereals/cereal-aphid-management-app-now-available-21217
*  Insect Report 2017-07-26 | Manitoba Agriculture | Province of Manitoba
This disease can also affect other cereal crops like wheat and barley. ... By comparison, the English grain aphid, a brighter green aphid which can often be found on the heads, is not as efficient a ... Early symptoms on leaves include chlorosis beginning of the leaf margins and tip and moving inward often leaving a green strip ... Hover fly larvae are legless and can't move between crops. But when the cereals start maturing and aphid populations on them ...
  http://www.gov.mb.ca/agriculture/crops/seasonal-reports/insect-report-archive/print,insect-report-2017-07-26.html
*  North Carolina organic grain production guide :: State Publications
... a rotation could include a summer crop, winter crop, legume, grass, a cultivated crop ( corn) and a noncultivated crop ( wheat ... barley, and rye in this state. The virus is transmitted by aphids that spent the summer on nearby corn crops or host grasses. ... Drill Calibration and Operation A good stand of wheat is the best defense against weeds and cereal leaf beetle and is the best ... html Wheat- feeding aphids Three primary species of aphids occur in North Carolina wheat: the English grain aphid, the bird- ...
  http://digital.ncdcr.gov/cdm/singleitem/collection/p249901coll22/id/2544/rec/40
*  Murdoch University in Perth Australia
RWA is a global pest which attacks all cereal crops including wheat, barley, oats and rice.. The aphid injects toxins into the ... In Western Australia, wheat accounts for 70 per cent of annual grain production, generating up to $3billion for the State ... 8billion cereal crop industry.. Russian wheat aphid (RWA) has been detected in South Australia and Victoria - the first time it ... Murdoch University will hold the key to protecting Australia's cereal crops.. Australia's cereal crops are critical to the ...
  http://media.murdoch.edu.au/murdoch-fighting-russian-invasion
*  Patente US5849320 - Insecticidal seed coating - Google Patentes
Cereal flours include: wheat flour, oat flour and barley flour. Preferred fillers include perlite, silica and calcium ... Particular crop seeds are selected from the group of corn (sweet and field), soybean, wheat, barley, oats, rice, cotton, ... Fiillers include woodflours, clays, activated carbon, sugars, diatomaceous earth, cereal flours, fine-grain inorganic solids, ... Corn root aphid) .. Most preferred target organisms include in addition to Diabrotica sp, Agrotis ypsilon; melanotus cribulosus ...
  http://www.google.es/patents/US5849320?dq=flatulence
*  Barley yellow dwarf - Wikipedia
... grain aphid, S. avenae, and others including rose-grain aphid, Metopolophium dirhodum). Subgroup II, called Cereal Yellow Dwarf ... It affects the economically important crop species barley, oats, wheat, maize, triticale and rice. Barley yellow dwarf virus ( ... There are two main sources by which a cereal crop might be infected 1. By non-migrant wingless aphids already present in the ... The isolates and their major vectors (in parentheses) are: Subgroup I MAV, a less severe strain carried by aphids (Grain aphid ...
  https://en.wikipedia.org/wiki/Barley_yellow_dwarf
*  Special Report: DEMOCRATIC PEOPLE'S REPUBLIC OF KOREA - 28 October 2002
Double cropping of wheat and barley after rice and maize (cereal after cereal) on already exhausted soils is non-sustainable. ... A consumption requirement of 167 kg/caput of cereals including rice, maize, potato in cereal equivalent, wheat and other grains ... Potato blight has also seriously affected crops in some areas, as has aphids infestations. The area of spring and main season ... Other crops. Other crops being produced include summer wheat and barley, sorghum, millet, soybean, buckwheat, vegetables ( ...
  http://www.fao.org/docrep/005/Y7843e/Y7843e00.htm
*  2004 Summary of Insect Pests in Crops in Manitoba | Manitoba Agriculture | Province of Manitoba
Aphids: Aphids were a concern in many small grain cereal fields. Application of insecticides to control aphids in small grain ... cereals , canola , flax , sunflowers , forage crops , field beans, peas , soybeans , canaryseed Wheat, Barley, Oats. Cutworms: ... Areas where foliar insecticides were applied to control flea beetles in canola fields include Swan River (NW), Hamiota (SW), ... Potato aphid (Macrosiphum euphorbiae): Fields of flax were treated to control aphids near Lowe Farm (C) and Aubigny (E). ...
  https://www.gov.mb.ca/agriculture/crops/insects/2004-summary-insect-pests.html
*  Chapter 4: Crop Production Management - Organic Wheat and Small Grains | NC State Extension Publications
This chapter of the North Carolina Organic Grain Production Guide covers key management practices for organic wheat and small ... Barley yellow dwarf virus. Because cold temperatures kill the aphids that vector BYDV in the fall, planting near or after the ... Historically a wheat pest in the Midwest, changes in field-crop production, including early-planted cover crop wheat, increased ... The cereal leaf beetle has one generation each year, and both the adult and larval stages eat leaf tissue on wheat and oats. ...
  https://content.ces.ncsu.edu/north-carolina-organic-grain-production-guide-contents-1/chapter-4-crop-production-management-organic-wheat-and-small-grains
*  Disease Management under Wet Conditions | Manitoba Agriculture | Province of Manitoba
Barley Yellow Dwarf Virus (BYDV). Late planted spring cereals may be subject to high aphid populations while the plants are ... You may also wish to keep close track of leaf rust development on the wheat crops to the south as the season unfolds. ... Leaf rust can cause damage to certain spring wheat varieties A complete listing of variety reaction to leaf rust is included in ... depending on stage of crop development, depth of water, and length of exposure to ponding. For spring-seeded small grains, seed ...
  http://www.gov.mb.ca/agriculture/crops/production/disease-management-wet-conditions.html
*  Oats | Manitoba Agriculture | Province of Manitoba
... other cereal crops, grains other than cereal crops, wild oats. There are no herbicides available for controlling these weeds in ... Aphids, armyworms, cutworms, leafhoppers, grass thrips, wireworm, grasshoppers and the wheat stem maggot can damage oats. ... Earlier seeding and heavier seed rates will reduce damage by barley yellow dwarf virus.; The primary symptom of BYD infection ... Deficiency symptoms are difficult to detect but include short internodes and weak stems. ...
  https://www.gov.mb.ca/agriculture/crops/production/oats.html
*  The Beat Sheet - Part 2
... including emerging grain crops. Whilst the number of SLW adults landing in seedling canola, wheat, faba beans and cereals can ... Being prepared for Russian wheat aphid in the Northern grains region. Melina Miles March 24, 2017. March 24, 2017. Comments Off ... in the Northern grains region is considered inevitable. When it might be detected in wheat and barley is less clear as the key ... Whitefly in establishing grain crops. Melina Miles May 19, 2017. June 16, 2017. Comments Off on Whitefly in establishing grain ...
  https://thebeatsheet.com.au/page/2/
*  grains | The Beatsheet
... including emerging grain crops. Whilst the number of SLW adults landing in seedling canola, wheat, faba beans and cereals can ... Are there Russian wheat aphid in your wheat or barley? A short guide to checking and identifying.. Melina Miles July 27, 2016. ... Do not assume aphids in cereals are just the usual oat and corn aphid. In the event of a Russian wheat aphid (RWA) infestation ... Comments Off on Are there Russian wheat aphid in your wheat or barley? A short guide to checking and identifying. ...
  https://thebeatsheet.com.au/category/crops/grains/
*  JoVE | Peer Reviewed Scientific Video Journal - Methods and Protocols
Middle Eastern countries are major consumers of small grain cereals. Egypt is the biggest bread wheat producer with 7.4 million ... including Citrus tristeza virus, Barley yellow dwarf virus, Potato leafroll virus and Tomato bushy stunt virus. This review ... of the crop. They are transmitted in nonpersistent, semipersistent, and persistent manners by insects (aphids, leafhoppers, and ... Diagnosis of cereal viruses may include symptom observation, immunological technologies such as ELISA using polyclonal and ...
  https://www.jove.com/visualize?author=Henryk+Czosnek
*  FAO GLOBAL INFORMATION AND EARLY WARNING SYSTEM ON FOOD AND AGRICULTURE - WORLD FOOD PROGRAMME
Wheat is the staple crop, accounting for about 70 percent of total cereal consumption in Afghanistan. Other grains include rice ... Table 4. Afghanistan: Cereal Balance Sheet, 2003/04 (July/June) ('000 tonnes). Wheat Rice. (milled) Maize Barley Total ... Aphids that were observed in large number of fields were generally controlled by natural enemies. ... Per caput cereal consumption is estimated at 180 kg per year. This includes 160 kg wheat, 17 kg rice, 2 kg maize, and 1 kg ...
  http://www.fao.org/docrep/005/J0156e/J0156e00.htm
*  Infested Plants
Infestations of this widespread but sporadic and usually minor pest are sometimes noted on cereals (including wheat and barley ... The aphids will also damage such crops in the field, infested potato haulm turning yellow and wilting, significantly reducing ... Most significant damage is caused to the ears of wheat and barley. In some instances, grains are totally destroyed or their ... Frit fly is a major pest of oats but will also cause significant damage to barley, maize (including sweet corn), rye, wheat and ...
  https://www.progressivegardening.com/infested-plants/
*  Identifying variation in resistance to the take-all fungus, Gaeumannomyces graminis var. tritici, between different ancestral...
In contrast the tetraploid wheat cultivars and Ae. speltoides were all highly susceptible to the disease, including those with ... The diploid wheat species T. monococcum may provide a genetic source of resistance to take-all disease that could be utilised ... In this study the aim was to assess the susceptibility of 34 accessions of the diploid wheat Triticum monococcum (A genome) to ... The second aim was to explore the susceptibility of tetraploid wheat (T. durum) and the B genome progenitor species Aegilops ...
  https://0-bmcplantbiol-biomedcentral-com.brum.beds.ac.uk/articles/10.1186/s12870-014-0212-8
*  Frontiers | Does Don Fisher's high-pressure manifold model account for phloem transport and resource partitioning? | Plant...
The review concludes with a brief discussion of how these mechanisms may offer novel opportunities to enhance crop biomass ... These features include: (1) An absence of significant gradients in axial hydrostatic pressure in sieve elements from collection ... These features include: (1) An absence of significant gradients in axial hydrostatic pressure in sieve elements from collection ... Prichard, J. (1996). Aphid stylectomy reveals an osmotic step between sieve tube and cortical cells in barley roots. J. Exp. ...
  https://www.frontiersin.org/articles/10.3389/fpls.2013.00184/full
*  Russian wheat aphid | Plant Health Australia
FIND - look for aphids and the characteristic plant symptoms of leaf streaking or leaf rolling on cereal crops and grasses ... Russian wheat aphid - the FITE strategy. The Grains Research and Development Corporation has developed the FITE strategy ... Light-green, elongated aphid (up to 1.8 mm long). *Damage symptoms include: white, purple or yellowish leaf streaks; rolling of ... Primary hosts are wheat and barley. * ... Russian wheat aphid. Photo by Frank Peairs, Colorado State ...
  http://www.planthealthaustralia.com.au/pests/russian-wheat-aphid/
*  Landscape epidemiology of plant diseases | Journal of The Royal Society Interface
2002 Stripe rust of wheat and barley in North America: a retrospective historical review Annu. Rev. Phytopathol 40 75-118. doi: ... 2004 Safeguarding production-losses in major crops and the role of crop protection Crop Protect 23 275-285. doi:10.1016/j. ... It resulted in stem rust becoming a minor problem on wheat and other small grains in North America (Peterson et al. 2005). The ... 2005) who showed that the proportion of bird cherry-oat aphids (Rhopalosiphum padi) caught in suction traps and carrying barley ...
  http://rsif.royalsocietypublishing.org/content/4/16/963
*  Manitoba winter fertilizing ban back on until April, MB crops - harvest nearly done, yields average +, quality average... |...
... of the spring wheat crop harvested, and the majority of barley acres harvested. Harvest of winter cereals is complete across ... Harvest of spring cereal crops is nearly complete in the Interlake Region. Quality of grain is declining as cereals that are ... There is pressure on winter wheat acres, including excellent yields seen in hard red spring, general purpose and CPSR wheats. ... Reports of soybean aphids are becoming more common, and while most fields are below economic threshold, the odd field is at the ...
  https://www.flaman.com/rentals/blog/?tag=manitoba