Download or read book Comprendre l am lioration des plantes written by André Gallais and published by Editions Quae. This book was released on 2015-05-21 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quels en sont les enjeux socio-économiques (nourrir la planète, respecter l'environnement, s'adapter au changement climatique, organisation de la filière semences) ? Quels sont les outils et les méthodes utilisés ? Comment les principaux caractères sont-ils améliorés ? L'ouvrage répond à ces questions et se termine par un bilan de ce qu'a apporté l'amélioration des plantes, tant à l’agriculteur qu’au consommateur, à l’industriel ou à la société.
Download or read book Comprendre l am lioration des plantes written by A. Gallais and published by . This book was released on 2015 with total page 231 pages. Available in PDF, EPUB and Kindle. Book excerpt: "L'amélioration des plantes, en interaction avec l'agronomie, a déjà beaucoup apporté à la satisfaction des besoins alimentaires de l'homme. Cet ouvrage montre que des progrès importants sont encore possibles afin de nourrir les 9,6 milliards de personnes qui seront présentes sur Terre en 2050. D'un point de vue génétique, le but de l'amélioration des plantes est de réunir dans un même ensemble de plantes, une variété, le maximum de gènes favorables pour les différents caractères à améliorer. La plupart des variétés modernes sont devenues génétiquement homogènes, mais sont-elles toujours préférables aux variétés hétérogènes? Quels sont les outils du sélectionneur et comment les met-il en oeuvre? Pour que le progrès génétique obtenu par le sélectionneur parvienne jusqu'à l'agriculteur, différents acteurs interviennent. Pourquoi faut-il un catalogue des variétés, une certification des semences et une protection des variétés? Quelle est la place de la sélection participative? Les caractères à améliorer sont nombreux. Comment sélectionne-t-on pour le rendement, la résistance aux maladies, la tolérance à la sécheresse, la valorisation de la fumure azotée et la qualité de différentes productions ? Quelles sont les possibilités d'action sur ces caractères pour répondre au triple défi de nourrir le monde, respecter l'environnement et adapter l'agriculture au changement climatique? L'ouvrage répond à toutes ces questions et montre les apports, réalisés ou possibles, de l'amélioration des plantes aux différentes attentes des agriculteurs, des consommateurs, des industriels de l'agroalimentaire et de la société"--Page 4 of cover.
Download or read book Semences et plants 2e d written by MACIEJEWSKI Jean and published by Lavoisier. This book was released on 2013-10-09 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: Produire des semences et des plants certifiés, c’est concourir au progrès agricole que permet l’évolution constante de la génétique et de ses applications. Cinquante pour cent de la productivité des principales productions agricoles lui sont redevables. Cependant, la législation actuelle fait débat : en effet, elle tend à se durcir afin d’apporter des garanties pour l'utilisateur sur la qualité germinative, la pureté spécifique, la pureté variétale, l'état sanitaire, et à encadrer la production des semences commerciales. Cette nouvelle édition de Semences et plants a pour vocation de faire un point sur l’état actuel de la production de semences et de plants certifiés au vu des récentes évolutions de la réglementation. Les bases scientifiques et les données techniques inhérentes à cette production sont largement développées. Documenté et complet, cet ouvrage s’adresse aux étudiants et aux formateurs de l’enseignement agricole, aux agents du développement agricole et aux agriculteurs – qu’ils soient multiplicateurs ou usagers – qui y trouveront les connaissances techniques et économiques qui leur sont indispensables.
Download or read book Plant Introduction Newsletter written by and published by . This book was released on 1957 with total page 1094 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Comptes Rendus de L Association Internationale D essais de Semences written by International Seed Testing Association and published by . This book was released on 1928 with total page 1490 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Reproductive Biology and Plant Breeding written by Yvette Dattee and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume has been produced for the XI 11th EUCARPIA Congress. EUCARPIA (the European Association for Plant breeding) currently has 1.200 members, including scientists and staff of both publ ic and private organizations. Its aim is to promote scientific and technical research and cooperation In the field of plant breeding, and thereby to contribute to the development of agriculture. Every three years, EUCARPIA organizes a scientific congress. In 1992, the Xilith EUCARPIA Congress will be held In ANGERS (Fran ce) and the theme Is "Reproductive biology and plant breeding". Reproduction of plant material Is central to selection. The geneti cist, the plant breeder and the seed grower all use sexual and ve getative reproduction during the various stages of plant breeding and creation of variety. The possibility of unlimited interspecific reproduction, the use of gametogenesis dysfunction, the creation of auto and allogamy, and the cloning of the best genotypes are the challenges before the plant breeder. To understand how the reproductive system conditions the genetic structure of a population, and to Investigate the relation ships between the reproductive mode and the organization of varia bility Is a central key to genetic progress. The articles presented In this book review the current state of knowledge of reproductive biology, and Its impact on variety crea tion.
Download or read book La plante written by Dominique Soltner and published by . This book was released on 2012 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Encyclopedic Dictionary of Landscape and Urban Planning written by Klaus-Jürgen Evert and published by Springer Science & Business Media. This book was released on 2010-05-21 with total page 1548 pages. Available in PDF, EPUB and Kindle. Book excerpt: This unique, multilingual, encyclopedic dictionary in two volumes covers terms regularly used in landscape and urban planning, as well as environmental protection. The languages are American and British English, Spanish (with many Latin-American equivalents), French, and German. The encyclopedia also provides various interpretations of the terms at the planning, legal or technical level, which make its meaning more precise and its usage clearer.
Download or read book Chronica Botanica written by and published by . This book was released on 1937 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Plant Genetic Resources Newsletter written by Institut international des ressources phytogénétiques and published by Bioversity International. This book was released on 1991 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book AM LIORATION DES PLANTES written by Alleidi Issa and published by . This book was released on 2022-05-31 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book How to live and survive in Zambezian open forest Miombo ecoregion written by Françoise Malaisse and published by Presses Agronomiques de Gembloux. This book was released on 2010 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the Miombo ecoregion (2,865,000 km² or 9.1% of Africa), the Zambezian open forest constitutes the main vegetation unit. It extends to no less than eight countries, from Burundi in the North to South Africa in the South, and from Angola in the West to Mozambique in the East. The austral part of Africa's open forests falls within the Zambezian Regional Center of Endemism outlined by White in 1983. This book focuses mainly on the wetter Zambezian Miombo woodlands. Also patches of mosaic Zambezian dry evergreen forests and small areas of grasslands on Kalahari sands are incorporated in the study. The aim of this book is to gather together the amazing local environment knowledge of Zambezian open forests peoples in order to permit an easier improvement of their well-being. This research has been developed in an ethnoecological way of thinking. Indeed, the synergy arising from putting together local knowledge and updated ecological research provides huge information on ecosystem management, including biodiversity aspects. Ethnoecology is an emergent field that focuses on local peoples' perception and management of complex and co-evolved relationships between the cultural, ecological, and economic components of anthropogenic and natural ecosystems. In the present book, the Zambezian wild edible products are treated according to fourteen items (from fungi, plants and honey, to beverages and salt, through mammals, birds, fish, insects and other animals). Some other comments concern agriculture and ethnoecology. All together more than a thousand edible products are involved; their ecology, their phenology, as well as their nutritional values are presented and discussed. The iconography is supported by a CD with 387 color photographs. The earlier French version of 1997 has been reviewed and enlarged, taking into account recent progress of knowledge. An important bibliography is presented.
Download or read book Report written by and published by . This book was released on 1952 with total page 788 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Cours d am lioration des plantes written by and published by . This book was released on with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Proceedings written by and published by . This book was released on 1962 with total page 594 pages. Available in PDF, EPUB and Kindle. Book excerpt:
