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Author:
Publisher:
ISBN:
Category : Biochemistry
Languages : en
Pages : 64
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Book Description
Author:
Publisher:
ISBN:
Category : Biochemistry
Languages : en
Pages : 64
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Book Description
Author: Shamsul Hayat
Publisher: Springer Science & Business Media
ISBN: 9401709483
Category : Science
Languages : en
Pages : 254
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Book Description
The entire range of the developmental processes in plants is regulated by the shift in the hormonal concentration, tissue sensitivity and their interaction with the factors operating around the plants. Out of the recognized hormones, attention has largely been focused on five (Auxins, Gibberellins, Cytokinin, Abscisic acid and Ethylene). However, in this book, the information about the most recent group of phytohormones (Brassinosteroids) has been compiled by us. It is a class of over 40 polyhydroxylated sterol derivatives, ubiquitously distributed throughout the plant kingdom. A large portion of these steroids is restricted to the reproductive organs (pollens and immature seeds). Moreover, their strong growth-inducing capacity, recognized as early as prior to their identification in 1979, tempted the scientists to visualize the practical importance of this group of phytohormones. The brassin solution, from rape pollen, was used in a collaborative project by the scientists of Brazil and U. S. A. in a p- sowing seed treatment to augment the yield. This was followed by large-scale scientific programmes in U. S. , Japan, China, Germany and erstwhile U. S. S. R. , after the isolation of the brassinosteroids. This approach suits best in today’s context where plants are targeted only as producers and hormones are employed to get desired results. Chapter 1 of this book (which embodies a total of 10 chapters), gives a comprehensive survey of the hitherto known brassinosteroids, isolated from lower and higher plants.
Author: Stephen H. Bullock
Publisher: Cambridge University Press
ISBN: 9780521435147
Category : Nature
Languages : en
Pages : 482
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Book Description
Review of tropical dry forest biogeography, palaeontology, ecology and ecosystem functions.
Author:
Publisher: Bib. Orton IICA / CATIE
ISBN:
Category :
Languages : en
Pages : 580
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Book Description
Author: Sam H. Ridgway
Publisher: Elsevier
ISBN: 9780125885065
Category : Juvenile Nonfiction
Languages : en
Pages : 514
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Book Description
Twenty-three separate papers, each describing a single species.
Author:
Publisher: Bib. Orton IICA / CATIE
ISBN: 9789977572499
Category :
Languages : en
Pages : 216
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Book Description
Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 788
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Book Description
Author: National Library of Medicine (U.S.)
Publisher:
ISBN:
Category : Medicine
Languages : en
Pages : 932
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Book Description
Includes subject section, name section, and 1968-1970, technical reports.
Author: Claudio Bartolini
Publisher: AAPG
ISBN: 0891813608
Category : Science
Languages : en
Pages : 977
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Book Description
"AAPG Memoir 79, The Circum-Gulf of Mexico and the Caribbean, is the first volume in more than a decade to document such a wide range of research on the geology of this vast area. Of the total 44 papers, roughly two-thirds pertain to the Gulf of Mexico, with an emphasis on the Mexican portion of the basin, and to the petroliferous areas of the southern Caribbean, including Colombia, Venezuela, Cuba, and Trinidad and Tobago. The remaining papers relate to the Antilles and Central America, as well as a series of papers that address region-wide topics such as plate tectonic evolution. A significant number of papers were contributed by authors from national oil companies and universities from within the region." --AAPG.
Author: Miguel Ángel Esparza Torres
Publisher: John Benjamins Publishing Company
ISBN: 9027267790
Category : Language Arts & Disciplines
Languages : en
Pages : 964
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Book Description
Since the publication of the still very valuable Biblioteca histórica de la filología by Cipriano Muñoz y Manzano, conde de la Viñaza (Madrid, 1893), our knowledge of the history of the study of the Spanish language has grown considerably, and most manuscript and secondary sources had never been tapped before Hans-Josef Niederehe of the University of Trier courageously undertook the task to bring together any available bibliographical information together with much more recent research findings, scattered in libraries, journals and other places. The resulting Bibliografía cronológica de la lingüística, la gramática y la lexicografía del español: Desde los principios hasta el año 1600 (BICRES) began appearing in 1994. BICRES I covered the period from the early beginnings to 1600), followed by BICRES II (1601–1700), BICRES III (1701–1800), and together with Miguel Ángel Esparza Torres of Madrid there followed BICRES IV (1801 to 1860). Now, the fifth volume, has become available, covering the years from 1861 to 1899. Access to the bibliographical information of altogether 5,272 titles is facilitated by several detailed indexes, such as a short title index, a listing of printers, publishers and places of production, and an author index. More than twenty years of research in the major libraries of Spain and other European countries have gone into this unique work — relative sources of the Americas have also been covered — making it exhaustive source for any serious scholar of any possible aspect of the Spanish language.
