Orchid Conservation

Orchid Conservation PDF Author: Kingsley W. Dixon
Publisher:
ISBN:
Category : Orchids
Languages : en
Pages : 448

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Orchid Biology

Orchid Biology PDF Author: J. Arditti
Publisher: Springer Science & Business Media
ISBN: 9401724989
Category : Science
Languages : en
Pages : 414

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Book Description
A Personal Note I decided to initiate Orchid Biology: Reviews and Perspectives in about 1972 and (alone or with co-authors) started to write some of the chapters and the appendix for the volume in 1974 during a visit to the Bogor Botanical Gardens in Indonesia. Professor H. C. D. de Wit of Holland was also in Bogor at that time and when we discovered a joint interest in Rumphius he agreed to write a chapter about him. I visited Bangkok on my way home from Bogor and while there spent time with Professor Thavorn Vajrabhaya. He readily agreed to write a chapter. The rest of the chapters were solicited by mail and I had the complete manuscript on my desk in 1975. With that in hand I started to look for a publisher. Most of the publishers I contacted were not interested. Fortunately Mr James Twiggs, at that time editor of Cornell University Press, grew orchids and liked the idea. He decided to publish Orchid Biology: Reviews and Per spectives, and volume I saw the light of day in 1977. I did not know if there would be a volume II but collected manuscripts for it anyway. Fortunately volume I did well enough to justify a second book, and the series was born. It is still alive at present - 20 years, seven volumes and three publishers later. I was in the first third of my career when volume I was published.

Orchid Biology: Recent Trends & Challenges

Orchid Biology: Recent Trends & Challenges PDF Author: Shaik Mahammad Khasim
Publisher: Springer Nature
ISBN: 9813294566
Category : Science
Languages : en
Pages : 551

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Book Description
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 monocotyledons. They also represent the second-largest flowering plant family in India, with 1,141 species in 166 genera, and contribute roughly 10% of Indian flora. Orchids comprise a unique group of plants and their flowers are among the most enchanting and exquisite creations of nature. Phylogenetically and taxonomically, the Orchidaceae are considered to be a highly evolved family among angiosperms. They show incredible diversity in terms of the shape, size and colour of their flowers, and are of great commercial importance in floriculture markets around the globe. Millions of cut flowers of Cymbidium, Dendrobium, Cattleya, Paphiopedilum, Phalaenopsis, Vanda etc., besides potted orchid plants, are sold in Western Countries and thus, the orchid cut flower industry has now become a multimillion-dollar business in Europe, the USA and South East Asia. Besides their ornamental value, orchids hold tremendous pharmaceutical potential. Root tubers of Habenaria edgeworthii form an important component of the ‘Astavarga’ group of drugs in Ayurvedic medicine. It is an established fact that tubers of some terrestrial orchids have been used to treat diarrhoea, dysentery, intestinal disorders, cough, cold and tuberculosis. Some orchids, particularly those belonging to the genera Aerides, Arachnis, Cattleya, Cymbidium, Dendrobium, Epidendrum, Oncidium, Paphiopedilum, Phalaenopsis, Renanthera, Vanda etc. have been extensively used to produce internationally acclaimed hybrids. Yet paradoxically, Indian orchids are victims of their own beauty and popularity. As a result, their natural populations have been declining rapidly because of unbridled commercial exploitation in India and abroad. In fact, some orchids are now at the verge of extinction, e.g. Renanthera imschootiana, Diplomeris hirsuta, Paphiopedilum fairrieanum, Cypripedium elegans, Taeniophylum andamanicum etc. Given the global importance of orchids in terms of securing human health and wealth, this comprehensive compilation, prepared by international experts, is highly topical. Its content is divided into five main sections: (I) Cryopreservation & Biotechnology, (II) Orchid Biodiversity & Conservation, (III) Anatomy & Physiology, (IV) Pollination Biology and (V) Orchid Chemicals & Bioactive Compounds. All contributions were written by eminent orchid experts/professors from around the world, making the book a valuable reference guide for all researchers, teachers, orchid enthusiasts, orchid growers and students of biotechnology, botany, pharmaceutical sciences and ethnomedicine. It will be equally valuable for readers from the horticultural industry, especially the orchid industry, agricultural scientists and policymakers.

Mycorrhizal Biology

Mycorrhizal Biology PDF Author: K.G. Mukerji
Publisher: Springer Science & Business Media
ISBN: 1461542650
Category : Science
Languages : en
Pages : 339

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Book Description
`The fundamental problem the world faces today, is the rapidly increasing pressure of population on the limited resources of the land. To meet the ever increasing demands of expanding populations, agricultural production has been raised through the abundant use of inorganic fertilizers, the adoption of multicropping systems and liberal application of chemical pesticides (fungicides, bactericides, etc. ). Though the use of chemicals has increased the yield dramatically, it has also resulted in the rapid deterioration of land and water resources apart from wastage of scarce resources. This has adversely affected the biological balance and lead to the presence of toxic residues in food, soil and water in addition to imposing economic constraints on developing countries.' (From the Preface) Mycorrhizal Biology addresses the global problem of land degradation and the associated loss of soil productivity and decline in soil quality caused by exploitative farming practices and poor management in developing countries, and the far reaching socio-economic and ecological consequences of its impact on agricultural productivity and the environment. In the light of a need for sustainable development, a new system of productive agriculture, to ensure the efficient management of agricultural inputs for long term high crop productivity with minimum damage to the ecological and socio-economic environment is essential. The management of mycorrhizal fungi will form a significant part of such a system and this work investigates the key association of plant roots with mycorrhizal fungi, known to benefit plants under conditions of nutritional and water stress and pathogen challenge and analyses the developments in our understanding of the genetic loci that govern mycorrhiza formation.

Orchid Biology VIII

Orchid Biology VIII PDF Author: T. Kull
Publisher: Springer Science & Business Media
ISBN: 9401725004
Category : Science
Languages : en
Pages : 600

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Book Description
This is the eighth volume in a 25-year-old series that has become the cornerstone review publication of orchid science. It presents authoritative reviews on different areas of orchid science and historical accounts by major orchid authorities, providing information for botanists, orchid scientists, and growers.

Orchids Phytochemistry, Biology and Horticulture

Orchids Phytochemistry, Biology and Horticulture PDF Author: Jean-Michel Mérillon
Publisher: Springer
ISBN: 9783030383930
Category : Science
Languages : en
Pages : 662

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Book Description
This reference work provides an authoritative and comprehensive review of the latest developments in orchids’ biology, biotechnology and phytochemistry, and it also explores the applications of orchids in medicinal chemistry, nutrition and cosmetics industry. Chapters from expert contributors are organised into six sections and cover the entire gamut of orchid research and uses. In this work, readers will learn about topics such as biogeography and diversity of orchids, their biology and environmental factors, their horticulture and phytochemistry, and their use in agri-food, medicinal and perfumery industries. This book will appeal to graduate students, scholars, researchers interested in botany, agriculture, pharmacy, biotechnology and phytochemistry. Industrial scientists and those involved in marketing flowers and phytochemicals, plants and their extracts will also understand the importance of this reference work.

Genera Orchidacearum Volume 3

Genera Orchidacearum Volume 3 PDF Author: Alec Pridgeon
Publisher: Oxford University Press
ISBN: 9780198507116
Category : Gardening
Languages : en
Pages : 410

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Book Description
Genera Orchidacearum is the first monograph of the world's orchid genera that reflects their long evolutionary history and reveals relationships based on genealogical descent and the most up-to-date DNA data.

Terrestrial Orchids

Terrestrial Orchids PDF Author: Hanne N. Rasmussen
Publisher: Cambridge University Press
ISBN: 0521451655
Category : Gardening
Languages : en
Pages : 457

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Book Description
This book contains a detailed survey of the biology of terrestrial orchids, from seed dispersal to establishment and life of the adult plant.

Orchids of Europe

Orchids of Europe PDF Author: Bo Mossberg
Publisher:
ISBN: 9780008210694
Category : Gardening
Languages : en
Pages : 0

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Book Description
A beautiful, richly illustrated book on Europe's wild orchids - perhaps the most enigmatic and popular group in the botanical world. The orchid family (Orchidaceae), numbering some 25,000 species, is one of the world's two largest families of flowering plants. Whilst the vast majority of orchids are found in the wet tropics, Europe accommodates c.130 native orchid species which are equally arranged in dense inflorescences of great beauty. Furthermore, the adaptations encountered in some of the European species are just as fascinating as those of their tropical relatives. This book provides an introduction to the native orchids of Europe. It features four sections: 'Structure and systematics', 'Orchids and the environment', 'Orchid portraits' and 'How to learn more'. This part constitutes the bulk of the book, presenting individual genera in a sequence which reflects their most likely evolutionary relationships. Each genus is introduced by one page of text and illustrated by one or more colour plates on the following pages. The text gives information on how to recognise the genus, where it is distributed, and the estimated number of species it contains - alongside information on the range of environmental requirements and flowering times in the European species. Depending on the genus, additional information may be found on topics such as pollination biology, associated fungi, evolutionary relationships or systematic problems. Beautiful watercolour artwork accompanies the text, making this an indispensable gift for anyone interested in the natural world. Not only is it a useful field guide, it is also a beautiful art book.

The Various Contrivances by which Orchids are Fertilised by Insects

The Various Contrivances by which Orchids are Fertilised by Insects PDF Author: Charles Darwin
Publisher:
ISBN:
Category : Fertilization of plants
Languages : en
Pages : 336

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Book Description