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Artículos de revistas sobre el tema "Canada. Agriculture Canada. Research Branch"

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Publicado: 4 de junio de 2021

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1

HO, K. M. "SYMKO BARLEY". Canadian Journal of Plant Science 70, n.º 3 (1 de julio de 1990): 853–54. http://dx.doi.org/10.4141/cjps90-102.

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Symko is a two-rowed spring feed barley (Hordeum vulgare L.) suitable for growing in Eastern Canada. It has high yield, high test weight, large kernels, good lodging resistance and is resistant to powdery mildew. Breeder seed of Symko is being maintained by the Plant Research Centre, Agriculture Canada.Key words: Hordeum vulgare L., barley (two-rowed spring feed)Symko is a high-yielding, two-rowed spring barley (Hordeum vulgare L.) developed at the Plant Research Centre, Agriculture Canada and tested under number OB751-27 by the Ontario Cereal Crops Committee. It has short rachilla hair and does not meet the quality standards required in a malting type. Registration no. 3135 was issued for Symko on 4 July 1989 by the Food Production and Inspection Branch of Agriculture Canada. This cultivar is named in recognition of Mr. S. Symko’s significant contribution to the cereal breeding program as a former cereal cytogeneticist at the Ottawa Research Station, Agriculture Canada.

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McLeod, J. G. y J. F. Payne. "AC Rifle winter rye". Canadian Journal of Plant Science 76, n.º 1 (1 de enero de 1996): 143–44. http://dx.doi.org/10.4141/cjps96-026.

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AC Rifle, a cultivar of winter rye (Secale cereale L.), was developed at the Semiarid Prairie Agricultural Research Centre, Research Branch, Agriculture and Agri-Food Canada, Swift Current, Saskatchewan. It is the first semi-dwarf cultivar registered for production in the Prairie Provinces of Western Canada. AC Rifle represents a 30% reduction in plant height compared to conventional height cultivars. Gram yield potential and winter hardiness of AC Rifle is equal to the check cultivars It has improved lodging resistance over all other adapted cultivars of winter rye. Key words: Cultivar description, semi-dwarf, rye (winter), Secale cereale L.

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McLeod, J. G., R. M. DePauw, J. M. Clarke y T. F. Townley-Smith. "AC Copia spring triticale". Canadian Journal of Plant Science 74, n.º 4 (1 de octubre de 1994): 811–13. http://dx.doi.org/10.4141/cjps94-145.

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AC Copia, a cultivar of spring triticale (X Triticosecale Wittmack), was developed at the Research Station, Research Branch, Agriculture and Agri-Food Canada, Swift Current, SK. It is widely adapted to the Prairie Provinces of Western Canada. AC Copia represents an improvement in test weight over other currently available Canadian cultivars of triticale. It is very resistant to the prevalent races of leaf rust, stem rust and common bunt, and moderately resistant to common root rot. Key words: Cultivar description, test weight, triticale (spring), X Triticosecale Wittmack

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McLeod, J. G., P. G. Jefferson, R. Muri y T. Lawrence. "Tom, Russian wildrye". Canadian Journal of Plant Science 83, n.º 4 (1 de octubre de 2003): 789–91. http://dx.doi.org/10.4141/p02-155.

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Tom, a new diploid cultivar of Russian wildrye, Psathyrostachys juncea (Fisch.) Nevski, was developed by the Semiarid Prairie Agricultural Research Centre, Research Branch, Agriculture and Agri-Food Canada, Swift Current, SK. Tom is an eight-clone synthetic developed by recurrent selection for heavy seed weight and improved seedling emergence from deep planting. Tom represents a significant improvement in herbage yielding ability over the check cultivars Swift and Tetracan. Key words: Cultivar description, Russian wildrye, Psathyrostachys juncea (Fisch.) Nevski, seedling emergence, seed weight

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McLeod, J. G., R. M. DePauw, J. M. Clarke y T. F. Townley-Smith. "AC Alta spring triticale". Canadian Journal of Plant Science 76, n.º 1 (1 de enero de 1996): 139–41. http://dx.doi.org/10.4141/cjps96-025.

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AC Alta, a spring triticale cultivar (× Triticosecale Wittmack) was developed at the Semiarid Prairie Agricultural Research Centre, Research Branch, Agriculture and Agri-Food Canada, Swift Current, Saskatchewan. AC Alta is a high-yielding, large kernelled, lodging resistant cultivar of triticale which is widely adapted to the Prairie Provinces. AC Alta is very resistant to leaf and stem rust, resistant to common bunt and moderately resistant to common root rot. AC Alta will be distributed by Progressive Seeds Limited. Key words: Cultivar description, grain yield, test weight, triticale (spring), × Triticosecale Wittmack

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McLeod, J. G. y Y. Gan. "Hazlet winter rye". Canadian Journal of Plant Science 88, n.º 3 (1 de mayo de 2008): 527–29. http://dx.doi.org/10.4141/cjps07171.

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Hazlet is a cultivar of winter rye (Secale cereale L.), developed at the Semiarid Prairie, Agricultural Research Centre, Research Branch, Agriculture and Agri-Food Canada, Swift Current, SK. Straw of Hazlet is about 10% shorter than tall cultivars such as Prima. Lodging resistance is poorer than AC Rifle and similar to Prima and Dakota. Hazlet has good winter survival and is well adapted to the Canadian Prairies. Kernels are about 16% larger and the test weight is significantly greater than the check cultivars. Grain yield is about 16% grater than that of Prima. Key words: Cultivar description, winter rye, straw strength, reduced plant height, test weight, kernel weight, Secale cereale L.

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McLeod, J. G., Y. T. Gan y J. F. Payne. "AC Remington winter rye". Canadian Journal of Plant Science 80, n.º 3 (1 de julio de 2000): 605–7. http://dx.doi.org/10.4141/p99-158.

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AC Remington, a cultivar of winter rye (Secale cereale L.), was developed at the Semiarid Prairie Agricultural Research Centre, Research Branch, Agriculture and Agri-Food Canada, Swift Current, Saskatchewan. AC Remington is a semidwarf with 20 to 25% shorter straw and improved lodging resistance compared with tall cultivars. AC Remington has good winter survival and is well adapted to the Canadian Prairies. AC Remington has improved grain yield, test weight, kernel weight and Hagberg Falling Number compared with those of the semidwarf cultivar AC Rifle. Plant height, heading, maturity and ergot infection of AC Remington are similar to those of AC Rifle. Key words: Cultivar description, semidwarf, rye (winter), Hagberg Falling Number, Secale cereale L.

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TODD, EWEN C. D. y JOOST HARWIG. "Microbial Risk Analysis of Food in Canada". Journal of Food Protection 59, n.º 13 (1 de diciembre de 1996): 10–18. http://dx.doi.org/10.4315/0362-028x-59.13.10.

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ABSTRACT The consideration in Canada of risk analysis for microorganisms in food by the Health Protection Branch (HPB) is in its formative stage. These analyses have become necessary because of the need for better control of imported and domestically produced food. A working group has been established between Health Canada and Agriculture and Agrifood Canada to consider a joint approach to risk analysis for foodborne microbiological hazards. Within the Bureau of Microbial Hazards of the HPB four health-risk determinations have been initiated. Three of these are for broad categories of products: dairy, fish and shellfish, and meat and poultry. These are meant as background documents for more specific risk assessments. The fourth, on cracked eggs, is designed to give management options for the control of this commodity. These determinations are being developed as required and different approaches are being considered. The working group is in agreement that standard definitions of terms and methodologies need to be used, and that these should come from discussions with other national and international agencies and associations, such as the Codex Alimentarius Commission. Recommendations include the need both for risk analysis to provide a clear process for food control by government and industry, and for directed research and surveys to provide more information on the status of hazards at different stages of specific processes from preharvest to consumer handling.

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Grimaldi, David. "Manual of Nearctic Diptera. Volume 3. Research Branch: Agriculture Canada, Monograph Number 32. J. F. McAlpine , D. M. Wood". Quarterly Review of Biology 65, n.º 4 (diciembre de 1990): 513–14. http://dx.doi.org/10.1086/417000.

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McLeod, J. G., R. M. DePauw, J. M. Clarke y W. H. Pfeiffer. "AC Certa spring triticale". Canadian Journal of Plant Science 76, n.º 2 (1 de abril de 1996): 333–35. http://dx.doi.org/10.4141/cjps96-058.

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AC Certa, a spring triticale cultivar (X Triticosecale Wittmack) was developed at CIMMYT and introduced by the Semiarid Prairie Agricultural Research Centre, Research Branch, Agriculture and Agri-Food Canada, Swift Current, via the 21st ITSN in 1989. It is widely adapted to the Prairie Provinces. AC Certa represents a significant improvement in test weight. AC Certa has an improved Hagberg Falling Number which is usually associated with improved harvest-time sprouting resistance AC Certa is very resistant to the prevalent races of stem rust (caused by Puccinia graminis Pers. f. sp tritici Eriks. and E. Henn.); leaf rust (caused by P. recondita Rob. ex Desm. f. sp. tritici); highly resistant to common bunt [caused by Tilletia foetida Wallr.) Liro and T. caries (DC) Tul.], and resistant to common root rot [caused primarily by Bipolaris sorokiniana (Sacc. in Sorok.) Shoemaker]. Key words: Cultivar description, test weight, sprouting resistance, triticale (spring, X Triticosecale Wittmack)

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Tarariko, Yu O. y V. P. Lukashuk. "Prospects for international integrated research of the carbon cycle in the system "soil-plant-atmosphere"". Міжвідомчий тематичний науковий збірник "Меліорація і водне господарство", n.º 1 (7 de mayo de 2021): 136–44. http://dx.doi.org/10.31073/mivg202101-276.

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Ukraine is located about at the latitude of France, the northern part of the United States and southern Canada and has similar to these countries natural conditions. Different in terms of soil and climate conditions, the regions of agriculture in Ukraine can be considered as analogues of similar natural conditions of agricultural areas in other parts of the world. Soils with a high carbon content are more productive and able to better filter and purify water. Water contained in the soil serves as a moisture source for 90% of world agricultural production. One of the main areas of research is the study of the ratios of main products and by-products of yield, as well as root and plant residues when having different soil fertility and using promising varieties and hybrids of crops. The use of optical express methods should be carried out according to the stages of organogenesis of field crops, which will enable to specify the relationships between them, to develop criteria and indicators for effective regulation of nitrogen and carbon cycle in the system "soil - plant - atmosphere", to develop models of formation and transformation of root and other plant residues taking into account changing agrometeorological factors, crop rotations, features of the branch structure of agricultural production, varieties and hybrids of field crops. In the future, this will enable to determine the areas in the selection aimed at accumulating root mass and achieving garanteed deficit-free balance of organic carbon in the soil. The research will enable to purposefully and effectively regulate the cycle of carbon and nitrogen, both at the level of individual agricultural production systems and on the scale of the same type of agricultural areas and regions, taking into account the whole set of variables, including features of the sectoral structure of production, climate change, etc.

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12

Koch, F. "Cioulet. H. & Hubert, J. F. (1993): Hymenoptera of the world. An identification guide to families. — Research Branch, Agriculture Canada Publication. Canada Communication Group-Publishing, Ottawa. 668 Seiten. Preis: FF 412,—. ISBN 0-660-14933-8". Deutsche Entomologische Zeitschrift 43, n.º 1 (abril de 1996): 158. http://dx.doi.org/10.1002/mmnd.4800430116.

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Koch, F. "Cioulet. H. & Hubert, J. F. (1993): Hymenoptera of the world. An identification guide to families. - Research Branch, Agriculture Canada Publication. Canada Communication Group-Publishing, Ottawa. 668 Seiten. Preis: FF 412,-. ISBN 0-660-14933-8". Deutsche Entomologische Zeitschrift 43, n.º 1 (22 de abril de 2008): 158. http://dx.doi.org/10.1002/mmnd.19960430116.

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14

Nie, Bihua, Mathuresh Singh, Andrew Sullivan, Rudra P. Singh, Conghua Xie y Xianzhou Nie. "Recognition and Molecular Discrimination of Severe and Mild PVYO Variants of Potato virus Y in Potato in New Brunswick, Canada". Plant Disease 95, n.º 2 (febrero de 2011): 113–19. http://dx.doi.org/10.1094/pdis-04-10-0257.

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A field isolate of Potato virus Y (PVY) was collected in New Brunswick, Canada in 2007 due to unusual symptoms observed on different potato cultivars. To unveil the PVY strain identity, tobacco and potato bioassays, PVYO and PVYN-specific antibody-based enzyme-linked immunosorbent assays, and reverse-transcription polymerase chain reaction (PCR)-based genotyping were carried out. All the assays demonstrated that the isolate, designated as PVYO-FL in this study, belonged to the PVYO strain group. Greenhouse tests with the potato cvs. FL 1533 and Jemseg confirmed the severe nature of infection by PVYO-FL. The complete genome sequences of PVYO-FL and PVYO-RB, the latter a mild PVYO isolate, were determined. BLAST analysis revealed that the two isolates shared 97 and 98% sequence identities at the nucleotide and polyprotein levels, respectively. Further BLAST analysis unveiled that PVYO-FL shared 99.7% nucleotide sequence identity with PVYO-Oz, an isolate reported in New York, United States, whereas the PVYO-RB isolate shared 99.2% sequence identity with PVYO-139, a PVYO isolate reported in New Brunswick, Canada. A phylogenetic tree of available, full-length sequences of PVY isolates demonstrated two subgroups within the PVYO branch, one clustered with PVYO-RB and the other with PVYO-FL. Group-specific sense primers for differentiation of the two subgroups were developed and evaluated. A limited survey of potato tubers collected from a field plot at the Potato Research Centre, Agriculture and Agri-Food Canada, using the newly developed PCR primers, indicated that 65.3 and 2.4% of the PVYO-positive tubers were infected with PVYO isolates belonging to the PVYO-FL and PVYO-RB subgroups, respectively. Assessment of the pathogenicity of three representative isolates from each subgroup on the potato cv. Jemseg demonstrated that severe and mild symptoms were induced by the PVYO-FL-like and PVYO-RB-like isolates, respectively.

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Davidson, Campbell G. "664 Breeding and Development of Cold-hardy Roses". HortScience 34, n.º 3 (junio de 1999): 562D—562. http://dx.doi.org/10.21273/hortsci.34.3.562d.

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Without a doubt, roses have been and continue to be an important landscape and greenhouse plant. From the early records, dating back to Egyptian, Roman, and Greek times, roses have played an important societal role. Early attempts at growing roses in Prairie Canada were frequently unsuccessful. The extreme cold in winter, where temperatures of –30 to –40 °C are common, and droughts and heat in the summer greatly reduced the range of plant material, including roses that could be grown. As a result, the Morden Research Centre, part of Agriculture and Agri-Food Canada's Research Branch in southern Manitoba, initiated a series of projects on the development of hardy landscape plants including roses. Since1929, we have introduced over 130 new landscape plant cultivars to the nursery trade, including 18 cultivars of roses. One of the keys to the success of the program was the incorporation of cold tolerance originally obtained from Rosa arkansana, a prairie native. This has led to the development of the `Parkland' rose series. This group of plants flowers repeatedly, are hardy to USDA zone 3, root from softwood cuttings, and are available in a variety of colors. Highlights of these will be presented. More recently, emphasis has been placed on developing breeding strategies to improve disease resistance. Major diseases affecting roses include black spot (Diplocarpon rosea), powdery mildew (Sphaerotheca pannosa), and rust (Phragmidium sp.). Details of the current breeding protocols will be outlined as well as results from a series of trials established to elucidate the influence of environment and genotype on disease expression. Cooperative disease monitoring trials (Canada and Sweden) were established and results will be presented.

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Ozminkowski, Richard H., Randolph G. Gardner, Robert H. Moll y Warren R. Henderson. "Inheritance of Prostrate Growth Habit in Tomato". Journal of the American Society for Horticultural Science 115, n.º 4 (julio de 1990): 674–77. http://dx.doi.org/10.21273/jashs.115.4.674.

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Prostrate growth habit (PGH) in tomato (Lycopersicon esculentum Mill.) lines derived from breeding material developed at the Agriculture Canada Research Station, Beaverlodge, Alberta, was the subject of a quantitative inheritance study. Plants with PGH have an increased lateral branch angle, relative to upright plants, and crown-set fruit supported above the soil surface making hand harvest easier. Genetic parameters were estimated in two families (20G and 53G), each containing PGH and upright-habit parental lines, F1, F2, and backcrosses to each parent. Field-grown plants were subjectively rated twice during the growing season. Broad-sense heritability of PGH in family 20G was estimated to be 0.65 and 0.71 for ratings of plant growth habit 6 and 9 weeks after transplanting, respectively, and 0.71 and 0.68 for those of family 53G. Narrow-sense heritability was estimated to be 0.83 and 1.05 for the two ratings in the 20G family and 0.77 and 0.78 in the 53G family. F1 and F2 means were not different from mid-parent values. The genetic variance was entirely additive and expression was influenced by the environment. The data did not support the hypothesis that PGH was controlled by a single gene.

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Koch, F. "Goulet, H. & Hubert, J. F. (1993): Hymenoptera of the world. An identification guide to families. — Research Branch, Agricultural Canada Publication. Canada Communication Group-Publishing, Ottawa. 668 Seiten. Preis: FF 412,—. ISBN 0-660-14933-8". Deutsche Entomologische Zeitschrift (neue Folge) 42, n.º 2 (1 de septiembre de 1995): 444. http://dx.doi.org/10.1002/mmnd.4810420212.

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Koch, F. "Goulet, H. & Hubert, J. F. (1993): Hymenoptera of the world. An identification guide to families. - Research Branch, Agricultural Canada Publication. Canada Communication Group-Publishing, Ottawa. 668 Seiten. Preis: FF 412,-. ISBN 0-660-14933-8". Deutsche Entomologische Zeitschrift 42, n.º 2 (22 de abril de 2008): 444. http://dx.doi.org/10.1002/mmnd.19950420212.

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Wegulo, S. N., S. T. Koike, M. Vilchez y P. Santos. "First Report of Downy Mildew Caused by Plasmopara obducens on Impatiens in California". Plant Disease 88, n.º 8 (agosto de 2004): 909. http://dx.doi.org/10.1094/pdis.2004.88.8.909b.

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During February 2004, diseased double impatiens (Impatiens walleriana) plants were received from a commercial grower in southern California. The upper surfaces of symptomatic leaves were pale yellow with no distinct lesions. Diseased leaves later wilted, and severely affected leaves abscised from the stem. At the nursery, only double impatiens plants in the Fiesta series were infected, and some cultivars were more heavily infected than others. Disease incidence in cv. Sparkler Hot pink was nearly 100%. The interior of infected leaves was colonized by coenocytic mycelium. A conspicuous white growth was observed only on the underside of leaves. Sporangiophores were hyaline, thin walled, emergent from stomata, and had slightly swollen bases. Sporangiophore branching was distinctly monopodial. Smaller sporangiophore branches were arranged at right angles to the supporting branches, and tips of branches measured 8 to 14 μm long. Sporangia were ovoid and hyaline with a single pore on the distal ends. Distal ends of sporangia were predominantly flat but occasionally had a slight papilla. Short pedicels were present on the attached ends. Sporangia measured 19.4 to 22.2 (-25.0) μm × 13.9 to 16.7 (-19.4) μm. Oospores were not observed in leaf tissue. On the basis of symptoms and morphology of the organism, the pathogen was identified as Plasmopara obducens J. Schröt. Pathogenicity tests were done on double type cvs. Fiesta, Tioga Red, and Tioga Cherry Red and on single type cvs. Cajun Watermelon and Accent Lilac. Plants were spray inoculated with sporangiospore suspensions (1 × 104 sporangiospores per milliliter), incubated for 24 h in a dew chamber (18 to 20°C), and then maintained in a greenhouse (22 to 24°C). Symptoms and signs of downy mildew developed after 12 days only on inoculated cv. Fiesta plants, and the pathogen morphology matched that of the originally observed pathogen. Nontreated control plants did not develop downy mildew. To our knowledge, this is the first report of downy mildew on impatiens in California. P. obducens is one of two causal agents of downy mildew of impatiens (2,4). The other pathogen, Bremiella sphaerosperma, has dichotomous sporangiophore branching and causes lesions with well-defined margins (2,4). In the United States, the disease has been recorded in the eastern and northeastern states and in Indiana, Minnesota, Mississippi, Montana, and Wisconsin (3). In Canada, the disease has been recorded in Manitoba and Quebec (1). References: (1) I. L. Conners. An Annotated Index of Plant Diseases in Canada and Fungi Recorded on Plants in Alaska, Canada, and Greenland. Research Branch, Canada Department of Agriculture, Publication 1251, 1967. (2) O. Constantinescu. Mycologia 83:473, 1991. (3) D. F. Farr et al. Fungi on Plants and Plant Products in the United States. The American Phytopathological Society, 1989. (4) G. W. Wilson. Bull. Torrey Bot. Club 34:387, 1907.

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Faris, M. A. "Plant Research Centre, Agriculture Canada". Canadian Journal of Plant Pathology 10, n.º 2 (junio de 1988): 99–104. http://dx.doi.org/10.1080/07060668809501740.

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Nazarowec-White, M. y E. Larmond. "2. Food Research Program - Agriculture Canada". Canadian Institute of Food Science and Technology Journal 22, n.º 4 (octubre de 1989): 403. http://dx.doi.org/10.1016/s0315-5463(89)70437-5.

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22

Capik, John M. y Thomas J. Molnar. "Assessment of Host (Corylus sp.) Resistance to Eastern Filbert Blight in New Jersey". Journal of the American Society for Horticultural Science 137, n.º 3 (mayo de 2012): 157–72. http://dx.doi.org/10.21273/jashs.137.3.157.

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One hundred ninety clonal accessions of Corylus, including species and various interspecific hybrids of C. avellana, C. americana, C. heterophylla, C. colurna, and C. fargesii, were assessed for their response to field exposure to the eastern filbert blight (EFB) pathogen, Anisogramma anomala, in New Jersey, where the fungus is native. Plants were obtained from the U.S. Department of Agriculture Agricultural Research Service National Clonal Germplasm Repository and Oregon State University, the University of Nebraska, Lincoln, and the National Arbor Day Foundation. Additional plant material was acquired from the Morris and Holden Arboreta and from private nurseries in Amherst, NY, and Niagara-on-the-Lake, Ontario, Canada. The accessions were chosen based on their resistance to EFB in Oregon, a region where A. anomala is not native, or anecdotal reports and grower observations of tolerance or resistance to the disease. Trees were planted in the field from 2002 through 2009 in New Jersey where they were exposed to EFB yearly through field inoculations and natural spread. In Jan. 2012, they were visually evaluated for the presence of EFB. The cankers were measured, and the proportion of diseased wood was calculated for susceptible trees. Nearly all accessions reported to be resistant to EFB in Oregon maintained at least a useful level of tolerance in New Jersey with a number remaining free of cankers. However, several accessions developed small to medium-sized cankers and showed branch dieback, including offspring of C. avellana ‘Gasaway’. Most C. americana and C. heterophylla accessions remained free of EFB, although variation in EFB response was found in hybrids of these species with C. avellana, ranging from no signs or symptoms to severe EFB. Nearly half of the C. colurna × C. avellana hybrids developed cankers, whereas each of the C. fargesii accessions and most grower selections developed in eastern North America remained free of EFB. The results document the existence of a wide diversity of Corylus germplasm that expresses resistance or a high level of tolerance to EFB in New Jersey and confirms previous reports that C. americana is highly resistant to the disease. Interestingly, most C. heterophylla and the C. fargesii were also found to be resistant despite originating in Asia where A. anomala has not been found. The various interspecific hybrids show the potential for incorporating EFB resistance from wild species through breeding. The results provide further evidence of differences in disease expression in Oregon and New Jersey, where isolates differ and disease pressure may be higher.

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SURPRKNANT, J. y R. P. KNOWLES. "RADISSON SMOOTH BROMEGRASS". Canadian Journal of Plant Science 70, n.º 4 (1 de octubre de 1990): 1183–85. http://dx.doi.org/10.4141/cjps90-144.

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Radisson is a southern-type smooth bromegrass (Bromus inermis Leyss.) developed at Agriculture Canada, Saskatoon that has produced high yield of forage dry matter in Eastern Canada. Registration Number 3154 was issued for Radisson on 15 Sept. 1989, by the Food Production and Inspection Branch, Agriculture Canada.Key words: Bromus inermis Leyss., Radisson, cultivar development, smooth bromegrass

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Fernández-Ortuño, D., X. Li, W. Chai y G. Schnabel. "First Report of Gray Mold of Strawberry Caused by Botrytis cinerea in South Carolina". Plant Disease 95, n.º 11 (noviembre de 2011): 1482. http://dx.doi.org/10.1094/pdis-06-11-0529.

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Gray mold caused by Botrytis spp. is one of the most economically important diseases of cultivated strawberry (Fragaria × ananassa) worldwide. From April to June 2011, strawberries with symptoms resembling gray mold disease were collected from different locations (Chesnee, Florence, Lexington, McBee, Monetta, and North Augusta) in South Carolina. Fruit infections began as small, firm, light brown lesions that enlarged quickly, becoming covered with a gray, fuzzy mass of spores followed by a soft rot. To isolate the causal agent, spores from symptomatic fruit were suspended in 1% Tween 20, streaked onto the surface of potato dextrose agar plates, and incubated at 22°C. Fungal colonies from single spores were at first colorless and later became gray to brown when the conidiphores and conidia developed. Conidia were identified by their morphological characteristics: an average size of 14 × 9 μm, ellipsoid to rounded without internal structure, and with a scar on the point of union to the conidiophore (1). Sclerotia produced in culture were hard, dark, irregular shaped, and formed after 2 weeks. The pathogen was identified as Botrytis cinerea Pers.: on the basis of morphology and confirmed by a restriction digest with ApoI of the 413-kb PCR amplification product obtained with BA2f/BA1r primers (2). Koch's postulates were conducted by inoculating 10 surface-sterilized strawberries with a conidial suspension (105 spores/ml) of a randomly chosen B. cinerea isolate previously characterized; 10 control fruit received sterile water without conidia. The inoculated fruit were incubated for 3 days at room temperature in air-tight plastic bags. Inoculated fruit developed typical gray mold symptoms with gray sporulating lesions. The developing spores on inoculated fruit were confirmed to be B. cinerea. All control fruit remained healthy. For many Botrytis spp., the internal transcribed spacer region does not reveal nucleotide variations and thus is useless for species identification. We used additional, more appropriate genetic markers for molecular-based species identification and verified that strawberries in South Carolina are affected by gray mold disease caused by B. cinerea. To our knowledge, this is the first scientific report of B. cinerea causing gray mold of strawberry in South Carolina. References: (1) W. R. Jarvis. Botryotinia and Botrytis Species: Taxonomy, Physiology and Pathogenicity. A Guide to the Literature. Monograph no. 15. Canada Department of Agriculture, Research Branch, Ottawa, 1977. (2) K. Nielsen et al. Plant Dis. 86:682, 2002.

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Rashid, K. Y. y E. O. Kenaschuk. "A flax rust containment research laboratory at Agriculture Canada Research Station, Morden, Manitoba". Canadian Journal of Plant Pathology 13, n.º 1 (marzo de 1991): 93–95. http://dx.doi.org/10.1080/07060669109500971.

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STERLING, J. D. E., T. M. CHOO, J. E. LANGILLE, R. WALTON, R. W. JONES, J. S. BUBAR y B. GOGUEN. "ALBANY BARLEY". Canadian Journal of Plant Science 68, n.º 4 (1 de octubre de 1988): 1139–41. http://dx.doi.org/10.4141/cjps88-139.

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Albany is a two-row, spring feed barley (Hordeum vulgare L.) developed at the Agriculture Canada Research Station, Charlottetown, Prince Edward Island. It has high yield, good kernel weight and resistance to powdery mildew and smuts. It is well adapted to Eastern Canada and is responsive to intensive management. Breeder seed is maintained at the Agriculture Canada Experimental Farm, Indian Head, Saskatchewan.Key words: Barley, Hordeum vulgare, cultivar description

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27

Choo, T. M., J. D. E. Sterling, R. A. Martin, J. S. Bubar, R. Walton, R. Blatt y V. Rodd. "Iona barley". Canadian Journal of Plant Science 73, n.º 4 (1 de octubre de 1993): 1083–86. http://dx.doi.org/10.4141/cjps93-143.

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Iona is a two-row, spring feed barley (Hordeum vulgare L.) developed at the Agriculture Canada Research Station, Charlottetown, Prince Edward Island. It has high yield and good resistance to powdery mildew. Iona is well adapted to Eastern Canada and is responsive to intensive management. Breeder seed is maintained at the Agriculture Canada Experimental Farm, Indian Head, Saskatchewan. Key words: Hordeum vulgare L., two-row barley, feed barley, high yield

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28

THERRIEN, M. C. y R. I. WOLFE. "HEARTLAND BARLEY". Canadian Journal of Plant Science 65, n.º 2 (1 de abril de 1985): 445–46. http://dx.doi.org/10.4141/cjps85-060.

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Heartland is a six-rowed spring feed barley (Hordeum vulgare L.) developed at the Agriculture Canada Research Station, Brandon, Manitoba. It has high yield, high test weight, good straw strength, and good disease resistance. This cultivar is primarily adapted to central Saskatchewan. Breeder seed is maintained by Agriculture Canada Research Station, Regina, Saskatchewan.Key words: Barley, Hordeum vulgare, cultivar description

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29

Wolfe, R. I., S. M. Dofing, J. G. N. Davidson y P. J. Clarke. "AC Albright barley". Canadian Journal of Plant Science 75, n.º 2 (1 de abril de 1995): 457–59. http://dx.doi.org/10.4141/cjps95-077.

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AC Albright (Hordeum vulgare L.) is an early maturing, six-row feed barley cultivar. It was selected from the cultivar Otal at the Northern Agriculture Research Centre, Agriculture and Agri-Food Canada, Beaverlodge, Alberta Canada. It has demonstrated adaptation to north-central and western Alberta and the Peace River region of British Columbia. Key words:Hordeum vulgare, barley, early maturity, cultivar description

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30

Estey, Ralph H. "The National Research Council and Seventy-five Years of Agricultural Research in Canada". Scientia Canadensis 15, n.º 2 (6 de julio de 2009): 117–43. http://dx.doi.org/10.7202/800332ar.

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Abstract Various aspects of the agricultural research that has been supported or carried out by the National Research Council of Canada during its first 75 years are reviewed. This research has ranged from such practical problems as: how to improve the edibility of oils from oilseed crops; how to improve the keeping quality of farm produce in storage; and how to control diseases and pests of farm animals and plants, to genetic engineering; the creation of new trans-genic plants and custom-designed enzymes for the benefit of agriculture.

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31

Blay-Palmer, Alison. "Growing Innovation Policy: The Case of Organic Agriculture in Ontario, Canada". Environment and Planning C: Government and Policy 23, n.º 4 (agosto de 2005): 557–81. http://dx.doi.org/10.1068/c17r.

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A case study of innovation in organic agriculture in Ontario, Canada, illustrates the merits of multiscaled analysis as a tool to identify relevant policy options for the European Union and North America. Policy recommendations that emerged from interviews included the need to: develop and reinforce local networks and associational capacity; address inequities that result from global subsidies; and develop national research funding and standards to support organics. These policy changes would provide production and marketing alternatives, making the sector more resilient. Theoretically, the research highlights the dynamic and interconnected facets of innovation and the need for multiscaled analysis to capture interscale linkages.

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32

Mündel, Hans-Henning, Gilles Saindon, Henry C. Huang y Ferdinand A. Kiehn. "AC Polaris great northern dry bean". Canadian Journal of Plant Science 81, n.º 1 (1 de enero de 2001): 69–71. http://dx.doi.org/10.4141/p00-049.

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AC Polaris is a high-yielding great northern dry bean ( Phaseolus vulgarisL.) cultivar. It was developed from a series of crosses at the Agriculture and Agri-Food Canada Research Centre, Lethbridge, with cooperation from the Agriculture and Agri-Food Canada Research Centre Morden. AC Polaris is particularly well adapted to the western Canadian prairies using the narrow-row production system, yielding significantly more than check cultivars, US1140 and CDC Nordic, at 14 of 15 trials. AC Polaris is moderately susceptible to white mold.

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33

Lee, B. H. "Food Biotechnology Research & Development; the Role of St-Hyacinthe Food Research Centre (Agriculture Canada)". Canadian Institute of Food Science and Technology Journal 20, n.º 5 (diciembre de 1987): 324. http://dx.doi.org/10.1016/s0315-5463(87)71319-4.

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34

McLEOD, J. G., D. S. McBEAN, J. F. PAYNE y S. R. BUZINSKI. "PRIMA WINTER RYE". Canadian Journal of Plant Science 65, n.º 2 (1 de abril de 1985): 447–48. http://dx.doi.org/10.4141/cjps85-061.

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Prima, a high yielding cultivar of winter rye (Secale cereale L.), was developed at the Research Station, Agriculture Canada, Swift Current, Saskatchewan and was licensed in July 1984. In addition to its high yielding potential, Prima has good winterhardiness, high kernel mass and test mass. It is rated medium both in maturity and resistance to lodging. Prima is well adapted to Western Canadian growing conditions. Breeder seed of Prima will be maintained at Regina Research Station, Agriculture Canada. Seed will be distributed through SeCan.Key words: Rye (winter), cultivar description

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35

NASS, H. G., D. JONES, J. S. BUBAR, R. B. WALTON, J. E. LANGILLE y B. DUPUIS. "BELVEDERE SPRING WHEAT". Canadian Journal of Plant Science 67, n.º 1 (1 de enero de 1987): 253–54. http://dx.doi.org/10.4141/cjps87-033.

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Belvedere is a utility grade, hard red spring wheat (Triticum aestivum L. cm. Thell.) with high yield, moderate resistance to powdery mildew, and medium maturity in Atlantic Canada. Breeder seed will be maintained by the Agriculture Canada Research Station in Charlottetown, Prince Edward Island.Key words: Wheat (spring), cultivar description

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36

Biays, Pierre. "Problèmes de l’agriculture marginale dans la zone pionnière de l’Est du Canada". Cahiers de géographie du Québec 8, n.º 16 (12 de abril de 2005): 219–29. http://dx.doi.org/10.7202/020500ar.

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A marginal farm can be defined by three criteria : the amount of improved land, the amount of time spent by the operator off the farm, and the absolute and relative income derived from agriculture. Both human and physical factors explain the deficiencies of marginal agriculture in the study area. The settlers' lack of agricultural experience, improper agricultural specializations, and the small size of the parcels of improved land (and consequently of the cattle herds) are the important human factors. The main physical limitations are climatic (especially the cool summer temperatures and the short length of the frost-free period), and pedologic. More research is needed before political decisions can be made concerning the future of these areas of marginal agriculture. Surveys of the marginal farms and studies of the physical limitations to agriculture should be made not only by economists and pedologists, but also by geographers.

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37

Martin, Wanda y Yvonne Hanson. "The Askîy Project—Empowering Youth, Inspiring Research". International Quarterly of Community Health Education 40, n.º 3 (30 de julio de 2019): 241–42. http://dx.doi.org/10.1177/0272684x19865852.

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Urban agriculture is one way to connect people with the food system and can empower urban youth who may feel disconnected from the land. The award winning askîy project is a multifaceted program supporting both Indigenous and non-Indigenous youth in a core neighborhood in Saskatoon, Saskatchewan Canada.

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Ho, K. M., T. M. Choo y R. A. Martin. "AC Maple barley". Canadian Journal of Plant Science 82, n.º 1 (1 de enero de 2002): 93–94. http://dx.doi.org/10.4141/p00-154.

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AC Maple is a six-rowed spring feed barley (Hordeum vulgare L.) cultivar bred at the Eastern Cereal and Oilseed Research Centre, Agriculture and Agri-Food Canada, and evaluated by the Eastern Canada Barley Breeding Group. It was selected from a Chapais/CIMMYT-6 cross and has high yield. AC Maple is suitable for growing in the Maritime Region of Canada. Key words: Hordeum vulgare L., six-rowed barley, feed barley, high yield

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39

Hummer, Kim E., Andrew R. Jamieson y Ruth E. Newell. "Beyond botany to genetic resource preservation: the S.P. Vander Kloet Vaccinium collections1This article is part of a Special Issue entitled “A tribute to Sam Vander Kloet FLS: Pure and applied research from blueberries to heathland ecology”." Botany 90, n.º 5 (mayo de 2012): 337–46. http://dx.doi.org/10.1139/b11-102.

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Sam P. Vander Kloet, botanist, traveled the world examining and obtaining specimens to redefine infrageneric taxonomic units within Vaccinium L., family Ericaceae. Besides his botanical treatises, his legacy includes herbarium voucher specimens and ex situ genetic resource collections including a seed bank and living plant collections at the Agriculture and Agri-Food Canada Research Centre, Kentville, Nova Scotia, Canada; the K.C. Irving Environmental Science Centre and Harriet Irving Botanical Gardens, Acadia University, Wolfville, Nova Scotia, Canada; the Canadian Clonal Genebank, Harrow, Ontario, Canada; and the US Department of Agriculture, Agricultural Research Service, National Clonal Germplasm Repository, Corvallis, Oregon, United States. Sam P. Vander Kloet’s collections include representatives of wild Ericaceae with special emphasis on collections of North American and subtropical endemic Vaccinium species. These reference collections are significant and represent a lifetime of dedicated research. Representatives of his heritage collections have now been deposited not only in American genebanks (in Canada and the United States) but also in the World Genebank in Svalbard, Norway, for long term conservation and future evaluation of Vaccinium for the service of humanity. The bequest of his wild collected germplasm will continue to be available to facilitate utilization of an extended Vaccinium gene pool for development and breeding throughout the world.

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Whitfield, Paul H. y Evan R. Watt. "Water Quality Branch Special Issue". Water Quality Research Journal 23, n.º 4 (1 de noviembre de 1988): i. http://dx.doi.org/10.2166/wqrj.1988.035.

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Abstract This special issue of the Water Pollution Research Journal of Canada highlights some of the recent work of the Water Quality Branch, Environment Canada. The Water Quality Branch operates out of regional offices located in Moncton, New Brunswick; Longueuil, Quebec; Burlington, Ontario; Regina, Saskatchewan, and Vancouver, British Columbia. Many of the issues and problems regarding water quality in Canada are not common to all regions, this is reflected in the diversity amongst the papers that are presented. Water Quality Branch activities range from broad and philosophical water quality considerations to studies of specific basins where water quality problems exist. This special issue consists of papers which touch on a number of these interests. The first two papers consider the design of water quality networks. Two papers consider water quality objectives as a management tool; developing guidelines for pesticides, and developing effective monitoring programs for objectives. Several papers consider problems associated with temporal variations: temporal patterns of acidification in Nova Scotia and Newfoundland, trends in water quality of the St. Lawrence, phosphorus variability in the Flathead River, and changes over time in the St. Croix River. The remaining papers report specific pieces of work reflecting novel methods or procedures: large volume extractors, organic contaminants in suspended sediments, contaminants in water and suspended sediments, and contaminants in surficial sediments. On behalf of the Water Quality Branch, we would like to thank the authors for their contributions to this special issue of the Journal. We would also like to thank the many colleagues who joined with Water Quality Branch staff to review the papers. Special thanks are extended to external reviewers who contributed much to the quality of the papers presented.

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NASS, H. G., D. JONES, J. S. BUBAR, G. BELANGER, A. FILLMORE, J. E. LANGILLE y B. DUPUIS. "BEAGUELITA SPRING TRITICALE". Canadian Journal of Plant Science 67, n.º 2 (1 de abril de 1987): 495–97. http://dx.doi.org/10.4141/cjps87-069.

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Beaguelita is a spring triticale (X Triticosecale Wittmack) with high yield in Atlantic Canada. Breeder seed will be maintained by the Agriculture Canada Research Station in Indian Head, Saskatchewan. Seed release is through the Maritime Seed Stock Distribution Committee in cooperation with the Canadian Seed Growers’ Association.Key words: Triticale (spring), X Triticosecale Wittmack, cultivar description

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42

Farnell, R., R. Florkiewicz, G. Kuzyk y K. Egli. "The status of Rangifer tarandus caribou in Yukon, Canada". Rangifer 18, n.º 5 (1 de marzo de 1998): 131. http://dx.doi.org/10.7557/2.18.5.1550.

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This paper summarizes the population trends as well as research and management programs for woodland caribou {Rangifer tarandus caribou) in Yukon. Most herds are stable although not all are counted regularly and systematic monitoring of herds remains an essential need. Over the past decade the Southern Lakes, Aishihik, and Finlayson herds have been well studied and provide valuable models for guiding Yukon management programs. Over harvest and the spread of agriculture, forestry and mining are ongoing human activities are of concern to caribou managers.

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43

Bing, Deng-Jin, Don Beauchesne, Al Sloan, Debbie McLaren y Cecil Vera. "Earlystar field pea". Canadian Journal of Plant Science 91, n.º 6 (1 de noviembre de 2011): 1115–16. http://dx.doi.org/10.4141/cjps2011-076.

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Bing, D. J., Beauchesne, D., Sloan, A., McLaren, D. and Vera, C. 2011. Earlystar field pea. Can. J. Plant Sci. 91: 1115–1116. Earlystar is a semi-leafless, yellow cotyledonary field pea (Pisum sativum L.) cultivar developed at Agriculture and Agri-Food Canada, Lacombe Research Centre, Lacombe, Alberta, Canada. It is a high-yielding and early-maturing cultivar and is resistant to powdery mildew caused by Erysiphe pisi Syd. Earlystar is adapted to all field growing regions in western Canada.

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Mündel, Hans-Henning, Gilles Saindon, Henry C. Huang y Ferdinand A. Kiehn. "AC Redbond small red bean". Canadian Journal of Plant Science 80, n.º 1 (1 de enero de 2000): 121–22. http://dx.doi.org/10.4141/p99-059.

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AC Redbond is a high-yielding, early-maturing, small red dry bean (Phaseolus vulgaris L.) cultivar with moderate resistance to white mold. It was developed from a series of crosses at the Agriculture and Agri-Food Canada Research Centre, Lethbridge, with cooperation from the Agriculture and Agri-Food Canada Research Centre Morden. AC Redbond, having an upright growth habit with moderate resistance to white mold, is particularly well adapted to the western Canadian prairies using the narrow-row production system, maturing on average 3 d before NW 63, with 10% higher seed yield. Key words: Phaseolus vulgaris, small red bean, cultivar description, high yield, narrow row

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Bing, Deng-Jin, Don Beauchesne, Debbie McLaren y Cecil Vera. "AAC Barrhead field pea". Canadian Journal of Plant Science 95, n.º 6 (noviembre de 2015): 1277–78. http://dx.doi.org/10.4141/cjps-2015-081.

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Bing, D.-J., Beauchesne, D., McLaren, D. and Vera, C. 2015. AAC Barrhead field pea. Can. J. Plant Sci. 95: 1277–1278. AAC Barrhead is a semi-leafless, yellow cotyledonary field pea (Pisum sativum L.) cultivar developed at Agriculture and Agri-Food Canada (AAFC) Lacombe Research Centre, Lacombe, Alberta, Canada. It is a high-yielding cultivar with excellent standability. AAC Barrhead is resistant to powdery mildew caused by Erysiphe pisi Syd. It has medium maturity and is adapted to all field growing regions in western Canada.

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Bing, Deng-Jin, Don Beauchesne, Debra McLaren, Cecil Vera y David Gehl. "AAC Lacombe field pea". Canadian Journal of Plant Science 94, n.º 4 (mayo de 2014): 805–6. http://dx.doi.org/10.4141/cjps2013-365.

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Bing, D., Beauchesne, D., McLaren, D., Vera, C. and Gehl, D. 2014. AAC Lacombe field pea. Can. J. Plant Sci. 94: 805–806. AAC Lacombe is a semi-leafless, yellow cotyledonary field pea (Pisum sativum L.) cultivar developed at Agriculture and Agri-Food Canada Lacombe Research Centre, Lacombe, Alberta, Canada. It is a high-yielding cultivar with excellent standability. AAC Lacombe is resistant to powdery mildew caused by Erysiphe pisi Syd. It has medium maturity and is adapted to all field pea growing regions in western Canada.

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47

Mündel, Hans-Henning, Ferdinand A. Kiehn, Gilles Saindon y Henry C. Huang. "AC Argonaut navy bean". Canadian Journal of Plant Science 81, n.º 4 (1 de octubre de 2001): 733–34. http://dx.doi.org/10.4141/p00-193.

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AC Argonaut is a high-yielding navy bean (Phaseolus vulgaris L.) cultivar developed at the Agriculture and Agri-Food Canada Research Centre, Lethbridge, Alberta, in cooperation with and final selection and testing carried out at the Agri culture and Agri-Food Canada Research Centre, Morden, Manitoba. AC Argonaut is particularly well adapted to Manitoba growing conditions, yielding significantly more than the check cultivar, Envoy. Key words: Phaseolus vulgaris, navy bean, cultivar description, high yield

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48

Arcand, Melissa M., Lori Bradford, Dale F. Worme, Graham E. H. Strickert, Ken Bear, Anthony Blair Dreaver Johnston, Sheldon M. Wuttunee, Alfred Gamble y Debra Shewfelt. "Sowing a way towards revitalizing Indigenous agriculture: creating meaning from a forum discussion in Saskatchewan, Canada". FACETS 5, n.º 1 (1 de enero de 2020): 619–41. http://dx.doi.org/10.1139/facets-2020-0004.

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Agriculture is practiced on 3–4 million acres of First Nations reserve lands in the Saskatchewan Prairies—predominantly by non-Indigenous farmers. A confluence of factors including an increase in agricultural land holdings on reserve and greater autonomy in land management have renewed conversations on how First Nations can realize the full economic benefits and exert greater control over agricultural activities that affect the reserve land base. We hosted a Forum on Indigenous Agriculture to share current knowledge on the contemporary status of Indigenous agriculture and to co-formulate research, capacity building, and policy priorities. First Nations’ roles in agriculture are diverse and were categorized in three broad contexts: as farmers, relying on traditional Indigenous or western practice, or a synergy of both; as landlords negotiating lease agreements; and as agribusiness entrepreneurs. Five themes emerged from the forum: centring Indigenous knowledge and traditional relationships to the land, capacity building, building respectful partnerships and relationships, financing farming and equitable economies, and translating research to policy and legislation. The forum provided foundational data to inform research and capacity building to meet community-defined goals in agriculture on reserve lands and by First Nations people.

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Ho, K. M., T. M. Choo, R. A. Martin, C. D. Caldwell, D. Walker y V. Rodd. "AC Vision barley". Canadian Journal of Plant Science 82, n.º 3 (1 de julio de 2002): 551–53. http://dx.doi.org/10.4141/p01-187.

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AC Vision is a six-rowed spring feed barley (Hordeum vulgare L.) cultivar bred at the Eastern Cereal and Oilseed Research Centre, Agriculture and Agri-Food Canada, and evaluated by the Eastern Canada Barley Breeding Group. It was selected from a Sabina/OAC Kippen cross. It has high yield, improved straw strength and resistance to powdery mildew. AC Vision is suitable for growing in areas II and IV of Ontario and in the Maritime Region of Canada. Key words: Hordeum vulgare L., feed barley, high yield, powdery mildew resistance

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Ho, K. M., W. L. Seaman, T. M. Choo, R. A. Martin, J. Rowsell, L. Guillemette, Y. Dion y S. Rioux. "AC Legend barley". Canadian Journal of Plant Science 80, n.º 1 (1 de enero de 2000): 113–15. http://dx.doi.org/10.4141/p99-052.

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AC Legend is a six-rowed spring feed barley (Hordeum vulgare L.) cultivar bred at the Eastern Cereal and Oilseed Research Centre, Agriculture and Agri-Food Canada, and evaluated by the Easter Canada Barley Breeding Group. It was selected from a Chapais/CIMMYT-6 cross and is suitable for growing in eastern Canada, where it out-yielded the check cultivars AC Stephen, Chapais, Myriam, ACCA and AC Westech. AC Legend is resistant to scald. Key words: Hordeum vulgare L., six-rowed barley, feed barley, high yield, scald resistance

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