handbook on the morphology of common grasses identification and characterization of caryopses and seedlings

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Handbook On The Morphology Of Common Grasses

Author : Dhara Gandhi
ISBN : 9781771882507
Genre : Science
File Size : 37. 20 MB
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The grass family is one of the largest and most diverse families in the plant kingdom and is of great economic value. Grasses provide human beings and domestic animals with the main necessities of life, add diversity to the landscape and stability to the ground surface, and also provide ornamental and amenity value. The present handbook is a pictorial resource guide to the identification of different common grasses in their early growth stage. In this book, 100 of the most common grasses (palatable and unpalatable) growing in the grasslands have been characterized on the basis of the vegetative characters of the seedling. A key to the identification of the grasses at their seedling stages is provided to help easily identify the grasses at their early stage of development. Many of the grasses described in the book are cosmopolitan, and many grow worldwide. Terms used to describe a grass seedling are used with help of photographs. Different diagnostic features of the seedling—such as growth habits, types of vernation, nodes, internodes, leaf laminas, leaf tips, leaf sheaths, ligules, auricles, and collars—have been used for their identification. The descriptions and photographs enable users to successfully and easily identify these species in a field environment. The book has been divided into two main sections. The first section covers the characteristic features of the caryopses. It includes light and scanning electron microscopic features and a diagnostic key to the identification of the species. The second section deals with grass seedling morphology and provides a key to the identification of the species on the basis of early vegetative features. Each of the sections includes an introduction, materials and methods, and results, supplemented with microphotographs representing the features of identification. This handbook is the first of its kind to include so many grass species that can be authentically identified with the help of pictorial diagnostic features of the seedlings and caryopses. The identifying features are solely on the basis of morphological, micromorphological, and morphometric characters. This handbook will be an important reference book of value to students in basic grass taxonomy or ecology classes as well as to academicians, researchers, pasture management practitioners, as well as professionals working in grassland restoration.

Citrus Production Manual

Author : Louise Ferguson
ISBN : 9781601078407
Genre : Technology & Engineering
File Size : 65. 53 MB
Format : PDF, ePub, Docs
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Citrus production is complex, requiring a delicate balancing act during the growing season and lots of preparation. This new manual covers the many steps in the process in a clear and accessible way. This manual also details the latest horticultural and disease issues affecting citrus production. From deciding scion variety and rootstock, to establishing an orchard, to managing production, to postharvest handling, you'll find it all here in a readable format. Colorful photos and clear diagrams and illustrations guide you through important concepts. Chapters cover: History Botany and Physiology Orchard Establishment Pest and Disease Management Postharvest Handling

Identification Guide For Near Eastern Grass Seeds

Author : Mark Nesbitt
ISBN : 9781315427072
Genre : Social Science
File Size : 77. 17 MB
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Archaeobotanical studies constantly encounter the carbonized grains of grasses, cultivated and wild, but the vast diversity of wild species that are potentially present has made identification of archaeological material fraught with difficulties. This volume provides an invaluable tool for mastering these difficulties. Based on years of laboratory study of an extensive reference collection, this book gives expert guidance for the identification and interpretation of grass seeds, focusing on those species that occur in the Near East and Europe.

North American Wildland Plants Third Edition

Author : James Stubbendieck
ISBN : 9781496200938
Genre : Science
File Size : 58. 40 MB
Format : PDF, Kindle
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North American Wildland Plants contains descriptions of the salient characteristics of the most important wildland plants of North America. This comprehensive reference assists individuals with limited botanical knowledge as well as natural resource professionals in identifying wildland plants. The two hundred species of wildland plants in this book were selected because of their abundance, desirability, or poisonous properties. Each illustration has been enhanced with labels pointing to key characteristics to facilitate the identification of unknown plants. Each plant description includes plant characteristics, an illustration of the plant with enlarged parts, and a general distribution map for North America. Each species description includes nomenclature; life span; origin; season of growth; inflorescence, flower or spikelet, or other reproductive parts; vegetative parts; and growth characteristics. Brief notes are included on habitat; livestock losses; and historic, food, and medicinal uses. This third edition contains additional refinements in the nomenclature, distribution, illustrations, and descriptions of plants.

Identification And Control Of Common Weeds

Author : Zhenghao Xu
ISBN : 9789402409543
Genre : Technology & Engineering
File Size : 78. 8 MB
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This book introduces readers to nearly 600 common weeds. In addition to essential information, each chapter includes photos for a specific type of weed to show its morphology in different growth periods, such as seedling, root, flower, fruit, and mature plant. The book also discusses control measures, including agricultural, chemical, physical, biological, and comprehensive methods. The Volume1 mainly focuses on 126 species of grass weeds and 34 species of sedge weeds. With the development of society and economics, weeds have become a recurring problem. In particular, the exotic, invasive, and quarantine weeds have spread dramatically and rapidly. On the other hand, many people, even those who are engaged in weed control, do not (or cannot) distinguish between weeds. Thus there is significant demand for illustrations of weed morphologies, as well as information on their control measures. This book offers a valuable, practical guide for all those working in the fields of crop cultivation, plant protection and quarantine management.

Seed Identification Manual

Author : Alexander Campbell Martin
ISBN : 0520008146
Genre : Nature
File Size : 53. 48 MB
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First published in 1961, this text deals exclusively with seed identification to help agriculturalists, foresters, wildlife biologists, and others interested in land-use programs identify the seeds in their particular fields of interest.

Grasses And Grassland Ecology

Author : David J. Gibson
ISBN : 9780198529187
Genre : Science
File Size : 85. 9 MB
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Grasses and Grassland Ecology provides an ecologically orientated introduction to this influential group of plants, summarizing the most recent scientific research in ecology and agriculture in the context of the older, classic literature. Ten chapters cover the morphology, anatomy, physiology and systematics of grasses, their population, community and ecosystem ecology, their global distribution, and the effects of disturbanceand grassland management.

What S Wrong With The First Amendment

Author : Steven H. Shiffrin
ISBN : 9781316839546
Genre : Law
File Size : 72. 25 MB
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What is Wrong with the First Amendment? argues that the US love affair with the First Amendment has mutated into free speech idolatry. Free speech has been placed on so high a pedestal that it is almost automatically privileged over privacy, fair trials, equality and public health, even protecting depictions of animal cruelty and violent video games sold to children. At the same time, dissent is unduly stifled and religious minorities are burdened. The First Amendment benefits the powerful at the expense of the vulnerable. By contrast, other Western democracies provide more reasonable accommodations between free speech and other values though their protections of dissent, and religious minorities are also inadequate. Professor Steven H. Shiffrin argues that US free speech extremism is not the product of broad cultural factors, but rather political ideologies developed after the 1950s. He shows that conservatives and liberals have arrived at similar conclusions for different political reasons.

Weeds Of The Midwestern United States And Central Canada

Author : Charles T. Bryson
ISBN : STANFORD:36105215388047
Genre : Nature
File Size : 60. 61 MB
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Weeds threaten the safe, efficient, and sustainable production of food, feed, fiber, and biofuel throughout the world. Featuring more than fourteen hundred full-color photographs, this handy guide provides essential information on more than 350 of the most troublesome weedy and invasive plants found in the midwestern United States and central Canada. Drawing on the expertise of more than forty weed scientists and botanists, the guide identifies each plant at various stages of its life and offers useful details about its origin, habitat, morphology, biology, distribution, and toxic properties. The book also includes illustrations of the most common characteristics of plants and terms used to describe them, a key to plant families included in the book, a glossary of frequently used terms, a bibliography, and indexes of scientific and common plant names. This is an essential guide for agronomists, crop and soil scientists, horticulturists, botanists, Cooperative Extension Service agents, farmers, gardeners, students in agriculture and biology, lawn care professionals, green industry professionals, nursery owners, government quarantine workers, and land preservationists. Each species account includes: Up to four full-color photographs showing seed, seedling, plant, flower, and other unique plant features Distribution map For grasses, a line drawing of the collar, where the leaf joins the stem, an important identifying characteristic Scientific names, common names, and local synonyms of common names Vegetative characteristics for seedlings and leaves Special identifying characteristics Reproductive characteristics Toxic properties States and provinces covered: Illinois Indiana Iowa Kansas (northeastern) Kentucky (northern) Manitoba (southern half) Michigan Minnesota Missouri (upper half) Nebraska (eastern) North Dakota Ohio Ontario (southern half) Quebec (southwestern corner) Saskatchewan (southeastern) South Dakota (eastern half) Wisconsin

Agriculture Handbook

Author :
ISBN : WISC:89037237922
Genre : Agriculture
File Size : 68. 74 MB
Format : PDF, Kindle
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Set includes revised editions of some issues.

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