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Orchid Biology: Recent Trends & Challenges
This book on “Orchid Biology: Recent Trends & Challenges” reviews the latest strategies for the preservation and conservation of orchid diversity and orchid germplasm. It is an outcome of the Proceedings of the International Symposium on “Biodiversity of Medicinal Plants & Orchids: Emerging Trends and Challenges” held on 9-11 February 2018 at Acharya Nagarjuna University, India. In addition, eminent orchid experts from around the globe were invited to contribute to this book. All chapters were peer-reviewed by international experts. The Orchidaceae are one of the largest families of flowering plants, comprising over 700 genera and 22,500 species and contributing roughly 40 percent of...
Plant Cryopreservation: A Practical Guide
Cryopreservation has proven to be an important tool for the storage and conservation of plant genetic resources. This book is a unique resource for plant scientists, providing more than 100 ready-to-use cryopreservation protocols for plant types from algae and bryophytes to a range of flowering plants. It includes techniques for diverse plant parts such as dormant buds, pollen, and apical meristems and for cell types such as suspension and callus cultures.
Biotechnology and Biodiversity
The purpose of this book is to assess the potential effects of biotechnological approaches particularly genetic modification on biodiversity and the environment. All aspects of biodiversity such as ecological diversity, species diversity and genetic diversity are considered. Higher organisms contain a specific set of linear DNA molecules called chromosomes and a complete set of chromosomes in an organism comprises its genome. The collection of traits displayed by any organism (phenotype) depends on the genes present in its genome (genotype). The appearance of any specific trait also will depend on many other factors, including whether the gene(s) responsible for the trait is/are turned on (e...
Plant Embryogenesis
Despite intense investigation of plant embryogenesis, there are still various open questions in this fascinating field. For example, our knowledge is still poor in relation to the spatiotemporal dynamics and the regulatory mechanisms of various embryonic events at all levels of whole plants, organs, tissues, cells, and molecules. We also need to understand the generality and diversity of embryonic features in a diverse range of species and also the bioengineering technologies to improve reproductive traits. Therefore, in this Special Issue, we show various articles, including original research papers and reviews, to expand our knowledge on plant embryogenesis, including works spanning from the various novel protocols of model plants to the regulations of somatic embryogenesis in agricultural plants.
Current Frontiers in Cryopreservation
Almost a decade has passed since the last textbook on the science of cryobiology, Life in the Frozen State, was published. Recently, there have been some serious tectonic shifts in cryobiology which were perhaps not seen on the surface but will have a profound effect on both the future of cryobiology and the development of new cryopreservation methods. We feel that it is time to revise the previous paradigms and dogmas, discuss the conceptually new cryobiological ideas, and introduce the recently emerged practical protocols for cryopreservation. The present books, "Current Frontiers in Cryobiology" and "Current Frontiers in Cryopreservation" will serve the purpose. This is a global effort by scientists from 27 countries from all continents and we hope it will be interesting to a wide audience.
Biodiversity and Conservation of Woody Plants
This book provides complete, comprehensive, and broad subject-based reviews for students, teachers, researchers, policymakers, conservationists, and NGOs interested in the biodiversity and conservation of woody plants. Forests cover approximately 31 percent of the world’s total landmass; 93 percent is natural forest and only 7 percent consists of planted trees. Forest decline is progressing at an alarming rate worldwide. In addition to human activities (logging, deforestation, and exploiting forest lands for agriculture and industrial use), a number of other factors – including pests and diseases, drought, soil acidity, radiation, and ozone – are cumulatively contributing to global for...
Cryopreservation of Tropical Plant Germplasm
Development of cryopreservation techniques. Importance of cryopreservation for the conservation of plant genetic resources. Fundamental aspects of cryopreservation. Cryopreservation techniques. Ongoing cryopreservation projects -- Research and its application. Current status of cryopreservation research and future perspectives of its application in national programmes.
Vicente González Arnao
Vicente González Arnao es uno de los intelectuales más sobresalientes de la primera mitad del XIX, a pesar de que resulta un desconocido para la mayor parte de los historiadores del periodo. Eximio teórico del derecho, pero fundamentalmente un gestor de amplia experiencia y formación, desempeñó importantes cargos en la sociedad madrileña. La coyuntura bélica de 1808 marcó definitivamente su biografía. Parlamentario en Bayona, consejero de José I, ilustre abogado en París, retorna a España en 1831 para formar parte del selecto grupo de reformadores que en los últimos años de Fernando VII sentaron las bases de la reforma política que se puso en ejecución en la década siguiente.
Los Ybarra
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