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This invaluable resource introduces the eleven types of organism that cause plant disease, ranging from higher plants to viroids and describes examples of cash and staple crop diseases that have caused human catastrophes. Early chapters cover serological and molecular techniques for the diagnosis of plant pathogens, epidemiology, methods for estimating disease severity and its effect on crop yields and techniques for limiting inoculum. Later chapters are concerned with colonisation of the plant and symptom development and the underlying biochemical and genetic factors that control these events. Finally, the control of plant disease using a variety of techniques including genetic modification is discussed. Modern diagnostic techniques Epidemiology and the measurement of disease severity The biochemistry and molecular biology of plant disease Control through cultural, biological, genetic and molecular techniques A wealth of examples and applications including full colour photographs
Hannu Piekkola and Kenneth Snellman ETLA, The Research Institute of the Finnish Economy, Helsinki, Finland The Labour Institute for Economic Research, Helsinki, Finland 1 The Basic Issues Wages have traditionally been agreed on collectively in Europe. The articles in this volume examine the current state of collective bargaining as well as the ch- lenges it is currently facing. The issues examined in these papers have a wide applicability to problems on the European labour markets. Torben M. Andersen and Steinar Holden review challenges from globalisation and inter-industry trade and the adaptation to a low-inflation environment. The other contributions are part of the project investigating ...
Published in 1901, this book describes the British Antarctic Expedition (1898-1900), the first to overwinter on the continent.
Although the Antarctic ice pack and some offshore islands had been sighted and even landed upon briefly as early as the 1820s, it was not until an eccentric Anglo-Norwegian explorer, Carsten F. Borchgrevink, went ashore in 1895 that a human being set foot on the Antarctic continent. Borchgrevink, snubbed by the British establishment, had stolen a march on several planned competing expeditions from Germany and Scandinavia. ø Borchgrevink returned to Antarctica in 1899 with a party that was the first to winter over on the continent. Regrettably, bad weather and unscalable mountains limited their forays inland. Borchgrevink's survival was proof that with adequate supplies, the Antarctic winter...
Reproduction of the original: The Romance of Polar Exploration by G. Firth Scott