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Witchweeds (Striga species) decimate agriculture in much of Africa and parts of Asia, attacking the major cereal grains and legumes, and halving the already very low yields of subsistence farmers. Several years of research have provided promising technologies, based on the fundamental biology of the parasite-host associations, for dealing with this scourge. However, there is an apparent realization that these technologies will fail because highly successful weeds such as Striga evolve resistance to all types of controls unless proven methods are integrated with each other for a more sustainabl

Weeds --- Witchweeds --- Integrated control.

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Weeds --- Biological control. --- Bio-control of weeds --- Biocontrol of weeds --- Biological control of weeds --- Weed biocontrol --- Weed biological control --- Control

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In this handbook, the authors present current research in the study of the biological activity, classification and health and environmental implications of herbicides. Topics discussed include productive degradation of dichlorprop by transconjugant strains; weeds and their mechanisms of resistance to herbicides; application of 31P-NMR spectroscopy to glyphosate studies in plants; lethal and sublethal glyphosate effects on non-target fish species; chemical properties and genotoxic effects of phenylurea herbicides; action mode of triazines and toxic effects on vertebrates; photolysis experiments

Herbicides. --- Herbicide --- Weed killers --- Weedicides --- Pesticides --- Weeds --- Control

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Introduced organisms. --- Introduced organisms --- Weeds. --- Weeds --- Endemic animals. --- Endemic plants. --- Human-animal relationships. --- Human-plant relationships. --- Control.

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La gestion de la flore adventice fondée majoritairement sur l'utilisation des herbicides est remise en question avec le modèle agricole intensif. Sous la pression de la société civile, les pouvoirs publics incitent le monde agricole à développer des modes de production plus durables, moins dépendants de la chimie. Cet ouvrage collectif explore des voies de gestion de l'enherbement intégrant tous les enjeux environnementaux.Il présente l'état des connaissances actuelles sur la biologie des plantes adventices, la diversité des techniques de gestion et les processus de régulation naturelle. Il est structuré en trois parties portant respectivement sur les connaissances de base en malherbologie, la description des techniques de gestion durable de la flore adventice et diverses études de cas. L'ouvrage reflète la pluralité des points de vue sur la flore adventice qui s'explique par la diversité des disciplines concernées et par les divergences de perception des effets négatifs ou bénéfiques de ces plantes sauvages des champs. C'est l'une des richesses de ce livre.Il s'adresse aux étudiants et enseignants de la filière agricole, ainsi qu'aux agriculteurs et aux prescripteurs du développement agricole qui pourront y trouver un ensemble d'informations utiles au quotidien.

Weeds --- Control. --- Crops --- Eradication of weeds --- Suppression, Weed --- Weed control --- Weed eradication --- Weed management --- Weed suppression --- Vegetation management --- Herbicides --- Eradication --- Management --- Plantes adventices --- Botanique agricole --- Lutte contre