6,746 research outputs found

    The Biology, Ecology, and Management of the Migratory Grasshopper, \u3ci\u3eMelanoplus sanguinipes\u3c/i\u3e (Fab.)

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    Grasshoppers have caused significant damage to crops of farmers and rangeland forage of ranchers throughout history. Populations of grasshoppers can build and explode with exponential growth under the right climatic factors and habitat. Melanoplus sanguinipes is the most economic species of grasshopper in the United States. The migratory flight capabilities are very similar to true locusts. This species has been known to travel distances of over 500 miles. Millions of dollars in damage occurs to crops and rangeland annually in the United States due to this species and other economic grasshopper species. The life history of this species and timing of control measures are critical in the suppression of populations to safeguard crops and rangeland. Various techniques are employed to survey, detect, and treat grasshoppers. One of the most cost-effective methods of treatment is to use Reduced Agent-Area treatments versus blanket coverage treatments

    The Biology, Ecology, and Management of the Migratory Grasshopper, \u3ci\u3eMelanoplus sanguinipes\u3c/i\u3e (Fab.)

    Get PDF
    Grasshoppers have caused significant damage to crops of farmers and rangeland forage of ranchers throughout history. Populations of grasshoppers can build and explode with exponential growth under the right climatic factors and habitat. Melanoplus sanguinipes is the most economic species of grasshopper in the United States. The migratory flight capabilities are very similar to true locusts. This species has been known to travel distances of over 500 miles. Millions of dollars in damage occurs to crops and rangeland annually in the United States due to this species and other economic grasshopper species. The life history of this species and timing of control measures are critical in the suppression of populations to safeguard crops and rangeland. Various techniques are employed to survey, detect, and treat grasshoppers. One of the most cost-effective methods of treatment is to use Reduced Agent-Area treatments versus blanket coverage treatments

    Learning English As A Foreign Language In Soviet Ten Year Schools

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    Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/98338/1/j.1467-1770.1959.tb01130.x.pd

    Tales of the Delta Folk, edited by Dewey Chambers

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    https://scholarlycommons.pacific.edu/dewey-chambers/1013/thumbnail.jp

    The Life and Death of the Solid South: A Political History

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    Southern-style politics was one of those peculiar institutions that differentiated the South from other American regions. This system—long referred to as the Solid South—embodied a distinctive regional culture and was perpetuated through an undemocratic distribution of power and a structure based on disfranchisement, malapportioned legislatures, and one-party politics. It was the mechanism that determined who would govern in the states and localities, and in national politics it was the means through which the South’s politicians defended their region’s special interests and political autonomy. The history of this remarkable institution can be traced in the gradual rise, long persistence, and ultimate decline of the Democratic Party dominance in the land below the Potomac and the Ohio. This is the story that Dewey W. Grantham tells in his fresh and authoritative account of the South’s modern political experience. The distillation of many years of research and reflection, is both a synthesis of the extensive literature on politics in the recent South and a challenging reinterpretation of the region’s political history. Dewey W. Grantham is Holland N. McTyeire Professor of History at Vanderbilt University. His books include Southern Progressivism: The Reconciliation of Progress and Tradition and Recent America: The United States since 1945. An indispensable introduction to the region’s fascinating political history. -- Journal of Southern History The best one-volume survey of southern politics since Reconstruction. -- Reviews in American Historyhttps://uknowledge.uky.edu/upk_political_history/1004/thumbnail.jp

    Folk and Other Tales from the Mother Lode, edited by Dewey Chambers

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    https://scholarlycommons.pacific.edu/dewey-chambers/1012/thumbnail.jp

    Ukipau: Folk and Other Tales of the new Hawaiians, edited by

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    https://scholarlycommons.pacific.edu/dewey-chambers/1014/thumbnail.jp

    Concanavalin A-Binding Enzymes of Crotalus scutulatus scutulatus Venom

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    Crotalus scutulatus scutulatus crude venom was separated into two fractions by Concanavalin A Sepharose 4B affinity chromatography. The proteins binding to Con A exhibited phosphomonoesterase (orthophosphoric monoester phosphohydrolase EC 3.1.3.2), phosphodiesterase, 5\u27-nucleotidase (5\u27-ribonucleotide phosphohydrolase EC 3.1.3.5), phospholipase A(phosphatidate 2-acylhydrolase EC 3.1.1 .4), hyaluronidase (hyaluronate glycanohydrolase EC 3.2.1 d), N-benzoyl-L-arginine ethyl esterase, p-toluenesulfonyl-L-arginine methyl esterase, L-amino acid oxidase (L-amino acid: 02 oxidoreductase [deaminating] EC 1.4.3.2), and caseinolytic activities. Thrombin-like and NAD nucleosidase (5\u27-ribonucleotide phosphohydrolase EC 3.1.3.5) activities were not observed. The crude venom and the fraction containing the glycoproteins which bound to Con A were fractionated by DEAE Sephadex A-50 ion exchange chromatography. Each of these samples yielded fractions having caseinolytic activities
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