Communicationes Instituti Forestalis Čechosloveniae PDF Download
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Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 756
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Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 756
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Book Description
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 990
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Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 730
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Author:
Publisher:
ISBN:
Category : Cover title
Languages : en
Pages : 340
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Author: National Agricultural Library (U.S.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 1338
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Author: John H. Dodds
Publisher: Springer Science & Business Media
ISBN: 1468466917
Category : Science
Languages : en
Pages : 157
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Book Description
1 John H. Dodds The culture offragmen ts of plant tissue is not a particularly new science, in fact as long ago as 1893 Rechinger (1893) described the formation of callus on isolated fragments of stems and roots. The culture of plant tissues in vitro on a nutrient medium was performed by Haberlandt (1902), however, his attempts were unsuccessful because he chose too simple a medium that lacked critical growth factors. Over the last fifty years there has been a surge of development in plant tissue culture techniques and a host of techniques are now avail able (Dodds and Roberts, 1982). The major areas are as follows. Callus Culture Callus is a rather ill-dermed material. but is usually described as an un organised proliferating mass of tissue. Although callus cultures have a great deal of potential in the biotechnological aspects of tissue culture, i.e. secondary product formation, they are not very suitable for plant propagation. The key reason for their unsuitability is that genetic aber rations occur during mitotic divisions in callus growth (D'amato.l965). The aberrations can be of a major type, such as aneuploidy or endo reduplication. It follows therefore that the genetic status of the re generated plants is different from that of the parent type. In general terms this genetic instability is undesirable, but there are occasions when a callus stage can be purposely included to diversify the genetic base of the crop.
Author: Michael Black
Publisher: CRC Press
ISBN: 9780849397493
Category : Nature
Languages : en
Pages : 450
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Book Description
Edited by a renowned seed biologist with a team assembled from the most respected laboratories worldwide, Seed Technology and Its Biological Basis illustrates the commercial value of seeds as a major resource. The editors provide a sweeping overview of the current state-of-the-art in seed technology and its biological basis. The book is invaluable to researchers and professionals in both the industrial and academic sectors.
Author: Peter Savill
Publisher: Oxford University Press, UK
ISBN: 0191590460
Category :
Languages : en
Pages : 310
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Book Description
Plantation Silviculture in Europe provides an up-to-date, succinct, and comprehensive overview of current European plantation forestry practices. Recognising that plantation silviculture today is no longer largely a question of how to grow large-scale industrial plantations, the authors have included chapters describing other, more diverse reasons for establishing trees. Forestry practices are set in the context of the science behind them and their environmental, social and policy frameworks. Concise and clear, this will be essential reading for forestry students and professionals alike. - ;As pressures to preserve natural forest resources have increased, plantation forestry and its study have gained in importance. Plantation Silviculture in Europe is an up-to-date, timely, and comprehensive exploration of the principles that underlie the planting and maintaining of forest resources. Based on the excellent reception of Savill and Evans' Plantation Silviculture in Temperate Regions (OUP, 1986), which was largely UK-based, the inclusion of two European authors ensures that the scope of this new book extends across the entire continent. Plantation Silviculture in Europe provides a thorough overview of the central aspects of conventional plantation forestry, covering site preparation, choice of species, establishment and maintenance, nutrition, spacing, thinning and pruning, and protection. In addition, it acknowledges the changing emphasis and increasing diversity of contemporary forestry, and includes chapters on community woodlands, urban forests, plantings for amenity and sport, and energy crops. Throughout, an attempt is made to set practices in the context of the ecological and biological forest processes which underpin them. Plantation Silviculture also incorporates discussion of the many environmental, social and policy issues that surround forestry today. Concise and clearly written, this will be essential reading for graduate and undergraduate forestry students and forestry professionals alike. Likely to become the standard text throughout Europe, it also contains much material of relevance to foresters in North America, East Asia, and Australasia. -
Author: National Agricultural Library (U.S.)
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 1392
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Author: United States. Forest Service
Publisher: Forest Service
ISBN:
Category : Gardening
Languages : en
Pages : 1240
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