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Lutte biologique contre les tétranyques et le pou de californie sur agrumes











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    Lutte biologique contre les tétranyques et le pou de californie sur agrumes 2024
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    Cette fiche technique porte sur la lutte biologique contre les tétranyques et le pou de Californie sur les agrumes. Elle aborde la lutte biologique de conservation, ainsi que l'utilisation de lâchers augmentatifs d'Aphytis melinus pour contrôler le pou de Californie et d'acariens phytoseiides pour lutter contre les thrips et les tétranyques.
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    Les trois principales espèces d'acariens tétranyques sur agrumes 2024
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    Cette fiche technique traite des trois principales espèces d'acariens tétranyques affectant les agrumes. Elle couvre la surveillance, l'échantillonnage sur la strate herbacée en hiver, ainsi que sur les arbres et les fruits à partir du mois d'avril. Le document détaille également les méthodes d'échantillonnage, les seuils d'intervention et les stratégies de gestion des populations de ces acariens.
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    Les trois principales espèces d'acariens tétranyques sur agrumes 2024
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    Ce document présente quelques-unes des espèces d'acariens qui peuvent causer des dommages importants aux cultures d'agrumes.

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    Corporate general interest
    Emissions due to agriculture
    Global, regional and country trends 2000–2018
    2021
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    The FAOSTAT emissions database is composed of several data domains covering the categories of the IPCC Agriculture, Forestry and Other Land Use (AFOLU) sector of the national GHG inventory. Energy use in agriculture is additionally included as relevant to emissions from agriculture as an economic production sector under the ISIC A statistical classification, though recognizing that, in terms of IPCC, they are instead part of the Energy sector of the national GHG inventory. FAO emissions estimates are available over the period 1961–2018 for agriculture production processes from crop and livestock activities. Land use emissions and removals are generally available only for the period 1990–2019. This analytical brief focuses on overall trends over the period 2000–2018.
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    Book (series)
    Flagship
    The State of Food Security and Nutrition in the World 2021
    Transforming food systems for food security, improved nutrition and affordable healthy diets for all
    2021
    In recent years, several major drivers have put the world off track to ending world hunger and malnutrition in all its forms by 2030. The challenges have grown with the COVID-19 pandemic and related containment measures. This report presents the first global assessment of food insecurity and malnutrition for 2020 and offers some indication of what hunger might look like by 2030 in a scenario further complicated by the enduring effects of the COVID-19 pandemic. It also includes new estimates of the cost and affordability of healthy diets, which provide an important link between the food security and nutrition indicators and the analysis of their trends. Altogether, the report highlights the need for a deeper reflection on how to better address the global food security and nutrition situation.To understand how hunger and malnutrition have reached these critical levels, this report draws on the analyses of the past four editions, which have produced a vast, evidence-based body of knowledge of the major drivers behind the recent changes in food security and nutrition. These drivers, which are increasing in frequency and intensity, include conflicts, climate variability and extremes, and economic slowdowns and downturns – all exacerbated by the underlying causes of poverty and very high and persistent levels of inequality. In addition, millions of people around the world suffer from food insecurity and different forms of malnutrition because they cannot afford the cost of healthy diets. From a synthesized understanding of this knowledge, updates and additional analyses are generated to create a holistic view of the combined effects of these drivers, both on each other and on food systems, and how they negatively affect food security and nutrition around the world.In turn, the evidence informs an in-depth look at how to move from silo solutions to integrated food systems solutions. In this regard, the report proposes transformative pathways that specifically address the challenges posed by the major drivers, also highlighting the types of policy and investment portfolios required to transform food systems for food security, improved nutrition, and affordable healthy diets for all. The report observes that, while the pandemic has caused major setbacks, there is much to be learned from the vulnerabilities and inequalities it has laid bare. If taken to heart, these new insights and wisdom can help get the world back on track towards the goal of ending hunger, food insecurity, and malnutrition in all its forms.
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    General interest book
    Women’s land rights and agrarian change: Evidence from indigenous communities in Cambodia 2019
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    Current changes in land tenure in Cambodia are reshaping indigenous communities agrarian and socio-economic systems. Customary laws that have determined land usage and rights, are now undergoing profound transformations. The commodification of land, influenced by processes of dispossession and alienation, is reshaping communities’ norms and customs. Land, before freely available to users, is now substantially a private asset and as such transferred from one generation to the next one like other assets. Customary laws derive their legitimacy from social systems that are context specific and change with time. This determines their ambiguous character as instruments for resistance and self-determination as well as generators of unequal social relations in rural communities. The experiences from other continents and countries have shown the contradictory and often conflicting linkage between customary land rights and women’s rights to own land. This study analysis the customary inheritance system of indigenous groups in Northern Cambodia, prevalently centred around matrilineal or bilateral kinship, where women used to inherit and own the principal family assets. The research questions focus on indigenous women’s inheritance and property rights as they apply to land, in the context of increasing land commoditization and scarcity. The aim of the enquiry is to contribute to the understanding of the gender implications of these changes, by gaining insight about women’s position vis-à-vis land property, inheritance and transfer to new generations. The changes in land tenure that have occurred in Ratanakiri province during the last decades have resulted in a substantial alienation of land and resources formerly available to indigenous people. Consequently, the area farmed under shifting cultivation has significantly decreased and been replaced by permanent commercial crops, while the increasing monetization of communities’ economy has triggered new processes of social differentiation. Little support has been given to indigenous farmers in order to manage this transition and adapt their farming system while maintaining its sustainability. The legal instruments deriving from the Land Law, which in theory should have contributed to provide formal legal protecting to indigenous land and allow communities to continue using land according to their traditional tenure system were impaired by delays and the obstacles in the practical implementation of the law. External actors, institutional as well as non-governmental, have been actively promoting agricultural practices centred on rapid gains, unsustainable exploitation of land and forest, carpet introduction of monocultures without creating the conditions for the establishment of favourable value chains and market conditions. The changes that have taken place have important implications in terms of women’s role and status within communities: not only because of the farming system transition, but also as a consequence of the increasing influence of the mainstream culture, in which gender norms are more hierarchical and constrictive then the ones in use among the indigenous peoples targeted by this study. Following the evidence presented here, strengthening indigenous women land rights may result from a multipurpose approach that embraces different areas of interventions and actors, detailed in the recommendations provided.