The Development of the Embryosac in Teucrium Canadense PDF Download
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Author: John Wentworth Leedy
Publisher:
ISBN:
Category :
Languages : en
Pages : 64
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Book Description
Author: John Wentworth Leedy
Publisher:
ISBN:
Category :
Languages : en
Pages : 64
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Book Description
Author: Anonymous
Publisher: Palala Press
ISBN: 9781347028292
Category :
Languages : en
Pages : 62
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Book Description
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: Michael Proctor
Publisher: HarperCollins UK
ISBN: 0007383118
Category : Nature
Languages : en
Pages : 732
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Book Description
This is a brand new, fully updated edition of the natural history classic first published in the New Naturalist series in 1973 as The Pollination of Flowers. This edition is exclusive to newnaturalists.com
Author: Louis Hermann Pammel
Publisher:
ISBN:
Category : Botany
Languages : en
Pages : 938
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Book Description
Author: D. Pasternak
Publisher: Springer Science & Business Media
ISBN: 1461513278
Category : Science
Languages : en
Pages : 451
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Book Description
The conference "Combating Desertification with Plants" was held in Beer Sheva, Israel, from November 2-5, 1999, and was attended by 70 participants from 30 countries and/or international organisations. Desertification - the degradation of soils in drylands - is a phenomenon occurring in scores of countries around the globe. The number of people (in semiarid regions) affected by the steady decline in the productivity of their lands is in the hundred millions. The measures required to halt and reverse the process of desertification fall into many categories - policy, institutional, sociological-anthropological, and technical. Although technical "solutions" are not currently in vogue, the conference organizers felt that perhaps the pendulum had swung too far in the direction of "participatory approaches." Hence IPALAC - The International Program for Arid Land Crops - whose function is to serve as a catalyst for optimizing the contribution of plant germplasm to sustainable development in desertification-prone regions - felt the time was opportune for providing a platform for projects where the "plant-driven" approach to development finds expression. Some 45 papers were delivered at the conference, falling into the categories of this volume: Overview, Potential Germplasm for Arid Lands, Introduction, Domestication and Dissemination of Arid Land Plants, Land Rehabilitation, and Mechanisms of Plant Transfer. The conference was funded by UNESCO (Division of Ecological Sciences), the Ministry of Foreign Affairs of Finland, and MASHAV, Israel's Center for International Development Cooperation.
Author: C.P. Dunn
Publisher: Springer Science & Business Media
ISBN: 9780792377245
Category : Science
Languages : en
Pages : 386
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Book Description
Elms occur, both naturally and cultivated, throughout much of the temperate world. Because of their high tolerance to extreme growing conditions and their widespread distribution, elms have been widely planted in cities, towns and rural areas throughout North America and northern Europe. As such, their current demise due to several pandemics of Dutch elm disease has spurred a huge body of research on breeding for disease resistance, conservation and systematics. The Elms: Breeding, Conservation and Disease Management provides the current state of knowledge in these areas and is an important reference work for pathologists, breeders, taxonomists, and arborists.
Author: David L. Hawksworth
Publisher: Springer Science & Business Media
ISBN: 1402064446
Category : Science
Languages : en
Pages : 421
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Book Description
Original studies address key aspects of the conservation and biodiversity of plants. Articles are all peer-reviewed primary research papers, contributed by leading biodiversity researchers from around the world. Collectively, these articles provide a snapshot of the major issues and activities in global plant conservation. Many of the articles can serve as excellent case studies for courses in ecology, restoration, biodiversity, and conservation.
Author: Marilena Idzojtic
Publisher: Academic Press
ISBN: 0128196459
Category : Nature
Languages : en
Pages : 800
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Book Description
Dendrology: Cones, Flowers, Fruits and Seeds offers a comprehensive overview of the morphology of reproductive organs of woody plants of Europe in one resource. The book contains 2020 woody taxa (845 species, 58 subspecies, 38 varieties, 13 forms, 40 hybrids and 1026 cultivars), belonging to 400 genera and 121 families. It includes 447 taxa of trees and shrubs that are autochthonous in Europe and numerous ornamental species that originate from North America, Asia, South America, Australia and Africa, along with invasive woody species. Accompanied by thousands of original photographs, the book is designed to efficiently guide the reader to accurate identification. Other features include taxa organized in alphabetical order of their botanical names, flowering and fruiting time, mode of fruit or seed dispersal, and distribution range, making this a must-have reference for students and researchers in dendrology, botany, forestry, forest management and conservation, arboriculture and horticulture. Includes 2,020 taxa of trees and shrubs important for the European dendrology Provides detailed descriptions of reproductive organs and data on the reproductive biology of the described taxa Contains 6,644 original, high-quality photographs of habits, cones, flowers, fruits and seeds
Author: M.F. Ryan
Publisher: Springer Science & Business Media
ISBN: 140200270X
Category : Science
Languages : en
Pages : 343
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Book Description
This volume encompasses and unites all the major topics relating to Insect Chemoreception. Part 1 addresses topics such as plant/insect interactions, pheromones, ultrastructure, electrophysiology and the biochemistry of chemoreceptors. Part 2 embraces applications of plant chemicals and cultivars in insect pest control, host plant resistance and pheromones. A concluding chapter discusses the scope and potential of genetic engineering. This comprehensive account of the major aspects of sustainable insect pest control, together with the key references cited, will point the way to relevant research projects, and provide an up-to-date awareness of recent developments in the field. Audience: Graduate students and researchers in insect chemoreception, chemical ecology and sustainable pest control.
Author: M. Ingrouille
Publisher: Springer Science & Business Media
ISBN: 9401123004
Category : Science
Languages : en
Pages : 348
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Book Description
Diversity and Evolution of Land Plants provides a fresh and long overdue treatment of plant anatomy and morphology for the biology undergraduate of today. Setting aside the traditional plod through the plant taxa, the author adopts a problem-based functional approach, exploring plant diversity as a series of different solutions to the design problems facing plant life on land.
