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Raoul A. Robinson
Raoul A. Robinson (September 25, 1928 in Saint Helier, Jersey - 25 July 2014) was a Canadian/British plant scientist with more than forty years of wide-ranging global experience in crop improvement for both commercial and subsistence agriculture. He is best known for his application of system theory to crop pathosystems and the elucidation of the concepts of horizontal and vertical resistance and their implication on breeding for durable resistance. Education He was educated at Victoria College, Jersey,Victoria College Register 1929-56 and graduated from the University of Reading The University of Reading is a public research university in Reading, Berkshire, England. It was founded in 1892 as the University Extension College, Reading, an extension college of Christchurch College, Oxford, and became University College, ... in 1951. Career Over the course of his adventurous and productive career, Robinson concentrated most intensively on maize, potatoes, beans, and coffe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Saint Helier
St Helier (; Jèrriais: ; ) is the Capital city, capital of Jersey, the largest of the Channel Islands in the English Channel. It is the most populous of the twelve parishes of Jersey, with a population of 35,822, over one-third of the island's total population. The town of St Helier is the largest settlement and only town of Jersey. The town consists of the built-up areas of St Helier, including First Tower, and parts of the parishes of Saint Saviour, Jersey, St Saviour and Saint Clement, Jersey, St Clement, with further suburbs in surrounding parishes. The greater part of the parish of St Helier is rural. It covers a surface area of , being 9% of the total land area of the island (this includes Land reclamation, reclaimed land area of or 200 hectare, ha). The town sits by the coast in the southeastern corner of the parish. Within it lies the main commercial district and the principal harbour of the island. As the capital, it also hosts the island's government, parlia ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jersey
Jersey ( ; ), officially the Bailiwick of Jersey, is an autonomous and self-governing island territory of the British Islands. Although as a British Crown Dependency it is not a sovereign state, it has its own distinguishing civil and government institutions, so qualifies as a small nation or island country. Located in Northwestern Europe, off the coast of north-west France, it is the largest of the Channel Islands and is from Normandy's Cotentin Peninsula. The Bailiwick consists of the main island of Jersey and some surrounding uninhabited islands and rocks including Les Dirouilles, Les Écréhous, Les Minquiers, and Les Pierres de Lecq. Jersey was part of the Duchy of Normandy, whose dukes became kings of England from 1066. After Normandy was lost by the kings of England in the 13th century, and the ducal title surrendered to France, Jersey remained loyal to the English Crown, though it never became part of the Kingdom of England. At the end of the Napoleonic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Subsistence Agriculture
Subsistence agriculture occurs when farmers grow crops on smallholdings to meet the needs of themselves and their families. Subsistence agriculturalists target farm output for survival and for mostly local requirements. Planting decisions occur principally with an eye toward what the family will need during the coming year, and only secondarily toward market prices. Tony Waters, a professor of sociology, defines "subsistence peasants" as "people who grow what they eat, build their own houses, and live without regularly making purchases in the marketplace". Despite the self-sufficiency in subsistence farming, most subsistence farmers also participate in trade to some degree. Although their amount of trade as measured in cash is less than that of consumers in countries with modern complex markets, they use these markets mainly to obtain goods, not to generate income for food; these goods are typically not necessary for survival and may include sugar, iron roofing-sheets, bicycle ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Systems Theory
Systems theory is the Transdisciplinarity, transdisciplinary study of systems, i.e. cohesive groups of interrelated, interdependent components that can be natural or artificial. Every system has causal boundaries, is influenced by its context, defined by its structure, function and role, and expressed through its relations with other systems. A system is "more than the sum of its parts" when it expresses synergy or emergent behavior. Changing one component of a system may affect other components or the whole system. It may be possible to predict these changes in patterns of behavior. For systems that learn and adapt, the growth and the degree of adaptation depend upon how well the system is engaged with its environment and other contexts influencing its organization. Some systems support other systems, maintaining the other system to prevent failure. The goals of systems theory are to model a system's dynamics, Theory of constraints, constraints, conditions, and relations; and to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pathosystem
A pathosystem is a subsystem of an ecosystem and is defined by the phenomenon of parasitism. A plant pathosystem is one in which the host species is a plant. The parasite is any species in which the individual spends a significant part of its lifespan inhabiting one host individual and obtaining nutrients from it. The parasite may thus be an insect, mite, nematode, parasitic Angiosperm, fungus, bacterium, mycoplasma, virus or viroid. Other consumers, however, such as mammalian and avian herbivores, which graze populations of plants, are normally considered to be outside the conceptual boundaries of the plant pathosystem. A host has the property of resistance to a parasite. And a parasite has the property of parasitic ability on a host. Parasitism is the interaction of these two properties. The main feature of the pathosystem concept is that it concerns parasitism, and it is not concerned with the study of either the host or parasite on its own. Another feature of the pathosystem conc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vertical Resistance
The term vertical resistance, used commonly in the context of plant selection, was first used in 1963 by James Edward Van der Plank to describe single-gene resistance. This contrasted with the term Horizontal Resistance, horizontal resistance which was used to describe many-gene resistance. In 1976, Raoul A Robinson, Raoul A. Robinson adapted the original definition of vertical resistance and argued that in vertical resistance there were individual genes for resistance in the host plant and also individual genes for parasitic ability in the parasite. This phenomenon is known as the gene-for-gene relationship, and it was the defining character of vertical resistance. References Phytopathology Molecular biology {{genetics-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Victoria College, Jersey
Victoria College is a Government of Jersey, Government-run, Independent school, fee-paying, academically selective day schoolEducation Journey in Jersey ''Government of Jersey (gov.je)''. Retrieved 12 December 2022. for Single-sex education, boys in St Helier, Jersey. Founded in 1852, the school is named after Queen Victoria. It is owned and administered by the Government of Jersey and is located on Mont Millais adjacent to Jersey College for Girls, the Government fee-paying secondary school for girls. As a fee-charging school and a member of the Headmasters' and Headmistresses' Conference (HMC), Victoria College is often considered a Private schools in the United Kingdom, private school or a Public school (United Kingdom), public school in the British sen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
University Of Reading
The University of Reading is a public research university in Reading, Berkshire, England. It was founded in 1892 as the University Extension College, Reading, an extension college of Christchurch College, Oxford, and became University College, Reading in 1902. The institution became a university with the power to grant its own degrees in 1926 by royal charter from King George V, and was the only university to receive such a charter between the two world wars. The university is usually categorised as a red brick university, reflecting its original foundation in the 19th century. Reading has four major campuses. In the United Kingdom, the campuses on London Road Campus, London Road and Whiteknights Park, Whiteknights are based in the town of Reading itself, and Greenlands, Buckinghamshire, Greenlands is based on the banks of the River Thames in Buckinghamshire. It also has a campus in Iskandar Puteri, Malaysia. The university has been arranged into 16 academic schools since 2016. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1928 Births
Events January * January – British bacteriologist Frederick Griffith reports the results of Griffith's experiment, indirectly demonstrating that DNA is the genetic material. * January 1 – Eastern Bloc emigration and defection: Boris Bazhanov, Joseph Stalin's personal secretary, crosses the border to Iran to defect from the Soviet Union. * January 17 – The OGPU arrests Leon Trotsky in Moscow; he assumes a status of passive resistance and is exiled with his family. * January 26 – The volcanic island Anak Krakatau appears. February * February – The Ford River Rouge Complex at Dearborn, Michigan, an automobile plant begun in 1917, is completed as the world's largest integrated factory. * February 8 – Scottish-born inventor John Logie Baird broadcasts a transatlantic television signal from London to Hartsdale, New York. * February 11 – February 19, 19 – The 1928 Winter Olympics are held in St. Moritz, Switzerland, the first as a separate event. Sonja Henie of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
2014 Deaths
This is a list of lists of deaths of notable people, organized by year. New deaths articles are added to their respective month (e.g., Deaths in ) and then linked below. 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 Earlier years ''Deaths in years earlier than this can usually be found in the main articles of the years.'' See also * Lists of deaths by day * Deaths by year (category) {{DEFAULTSORT:deaths by year ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Canadian Phytopathologists
Canadians () are people identified with the country of Canada. This connection may be residential, legal, historical or cultural. For most Canadians, many (or all) of these connections exist and are collectively the source of their being ''Canadian''. Canada is a multilingual and multicultural society home to people of groups of many different ethnic, religious, and national origins, with the majority of the population made up of Old World immigrants and their descendants. Following the initial period of French and then the much larger British colonization, different waves (or peaks) of immigration and settlement of non-indigenous peoples took place over the course of nearly two centuries and continue today. Elements of Indigenous, French, British, and more recent immigrant customs, languages, and religions have combined to form the culture of Canada, and thus a Canadian identity and Canadian values. Canada has also been strongly influenced by its linguistic, geographic, an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
