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Can organic agriculture cope without copper for disease control?

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ISBN: 9782759231560 Year: DOI: 10.35690/978-2-7592-3156-0 Language: English
Publisher: éditions Quae
Subject: Agriculture (General)
Added to DOAB on : 2020-02-11 11:21:32
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Copper is used to control various fungal and bacterial diseases, especially in organic farming where synthetic fungicides are prohibited. The use of copper is subject to increasing regulatory restrictions in Europe due to its adverse effects on the environment. This book synthesizes the results of INRA scientific expertise on ‘alternatives’ to copper.

"One rotten apple spoils the whole barrel": The plant hormone ethylene, the small molecule and its complexity

Authors: --- ---
Book Series: Frontiers Research Topics ISSN: 16648714 ISBN: 9782889196234 Year: Pages: 132 DOI: 10.3389/978-2-88919-623-4 Language: English
Publisher: Frontiers Media SA
Subject: Botany --- Science (General)
Added to DOAB on : 2016-08-16 10:34:25
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The gaseous molecule ethylene (C2H4), which is small in size and simple in structure, is a plant hormone most often associated with fruit ripening yet has a diversity of effects throughout the plant life cycle. While its agricultural effects were known even in ancient Egypt, the complexity of its mode of action and the broad spectrum of its effects and potential uses in plant physiology remain important scientific challenges today. In the last few decades, the biochemical pathway of ethylene production has been uncovered, ethylene perception and signaling have been molecularly dissected, ethylene-responsive transcription factors have been identified and numerous effects of ethylene have been described, ranging from water stress, development, senescence, reproduction plant-pathogen interactions, and of course, ripening. Thus ethylene is involved in plant development, in biotic and abiotic stress, and in reproduction. There is no stage in plant life that is not affected by ethylene, modulated by a complex and fascinating molecular machinery.

Le manioc, entre culture alimentaire et filière agro-industrielle

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ISBN: 9782759227082 Year: Pages: 232 DOI: 10.35690/978-2-7592-2708-2 Language: French
Publisher: éditions Quae
Subject: Agriculture (General)
Added to DOAB on : 2019-11-10 11:21:06
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The cassava-processing industry plays a key role in food safety and in the economies in the Global South, mainly in rural areas but increasingly in cities too. Climate change is expected to play an even greater role in world agriculture. This book brings together all of the available knowledge on cassava and highlights the agronomic and commercial issues surrounding this crop. It presents an overview of cassava production worldwide, covering all of the various aspects of the plant (botany, genetics), as well as its main forms of cultivation, its diseases and pests. It describes how to use, consume and process cassava.

Biological Invasions in South Africa

Authors: --- --- --- --- et al.
Book Series: Invading Nature - Springer Series in Invasion Ecology ISBN: 9783030323943 Year: Pages: 975 DOI: 10.1007/978-3-030-32394-3 Language: English
Publisher: Springer Nature
Subject: Environmental Sciences --- Ecology --- Zoology --- Botany
Added to DOAB on : 2020-06-16 23:59:34
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This open access volume presents a comprehensive account of all aspects of biological invasions in South Africa, where research has been conducted over more than three decades, and where bold initiatives have been implemented in attempts to control invasions and to reduce their ecological, economic and social effects. It covers a broad range of themes, including history, policy development and implementation, the status of invasions of animals and plants in terrestrial, marine and freshwater environments, the development of a robust ecological theory around biological invasions, the effectiveness of management interventions, and scenarios for the future. The South African situation stands out because of the remarkable diversity of the country, and the wide range of problems encountered in its varied ecosystems, which has resulted in a disproportionate investment into both research and management. The South African experience holds many lessons for other parts of the world, and this book should be of immense value to researchers, students, managers, and policy-makers who deal with biological invasions and ecosystem management and conservation in most other regions.

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