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  • 1
    ISSN: 1573-8248
    Keywords: Allorhogas pyralophagus ; classical biological control ; sugar cane ; Eoretima loftini ; Allorhogas pyralophagus ; lutte biologique classique ; canne à sucre ; Eoreuma loftini
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Description / Table of Contents: Résumé Allorhogas pyralophagus Marsh est un braconide doryctine récemment découvert qui constitue un agent de lutte biologique potentiel contre les mineuses s'attaquant aux cultures de graminées à tiges larges ou étroites. Cet ectoparasite grégaire a été elevé à l'origine à partir de larves d'Eoreuma loftini (Dyar) présentes dans des tiges de sorgo d'Alep [Sorghum halepense (L.) Pers.] et de canne à sucre (Saccharum officinarum L.) récoltées dans les Etats du Sinaloa et du Nuevo Leon au Mexique.A. pyralophagus peut être élevé aisément en laboratoire sur une grande variété d'hôtes [Diatrae spp.E. loftini, Chilo sp., etTryporyza nivella (F.)]. Ces hôtes sont placés dans des tiges de graminées ou des «pailles» en papier pour être ensuite exposés à des femelles prêtes à pondre.A. pyralophagus a été libéré dans des cultures et on l'a retrouvé parasitant les insectes ravageurs de la canne à sucre suivants:E. loftini etD. saccharalis (F.) au Texas,diatraea spp. à Trinidad,D. rufescens en Bolivie, etT. nivella à Sumatra en Indonésie.
    Notes: Abstract Allorhogas pyralophagus Marsh is a recently discovered doryctine braconid with potential for field trials against stalk borers infesting both large- and small- stemmed Graminacea. This external gregarious parasite was originally reared fromEoreuma loftini (Dyar) larvae infesting Johnson grass [Sorghum halepense (L.) Pers.] and sugar cane (Saccharum officinarum L.) from the states of Sinaloa and Nuevo Leon, Mexico. The parasite is easily reared in the laboratory using a wide range of host larvae [Diatraea spp.,E. loftini, Chilo sp. andTryporyza nivelli (F)]. Hosts are placed in grass stems or paper straws for exposure to ovipositing females.A. pyralophagus has been field released and recovered from the following hosts infesting sugar cane:E. loftini andD. saccharalis (F.) in Texas.Diatraea spp. in Trinidad,D. rufescens in Bolivia andT. nivella in Sumatra, Indonesia.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of clinical monitoring and computing 4 (1988), S. 261-263 
    ISSN: 1573-2614
    Keywords: Anesthetics: sevoflurane ; Blood: hemoglobin ; Oxygen: tension ; Monitoring: oxygen
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Medicine
    Notes: Abstract Fresh samples of heparinized human blood from 10 healthy nonsmoking volunteers were used to study the effect of the inhaled anesthetic sevoflurane on the oxygen half-saturation pressure of hemoglobin (P50) and on polarographic measurements of oxygen tension at low values. Control samples had a baseline P50 of 26.9±0.2 mm Hg. When the blood samples were exposed to 1.75% (1 minimum alveolar concentration, MAC), 2.75%, and 3.5% (2 MAC) of sevoflurane, the P50 values were 27.0±0.5 mm Hg, 27.1±0.4 mm Hg, and 26.9±0.5 mm Hg, respectively. Our present data show that 1 to 2 MAC sevoflurane has no significant effect on P50 (P〉0.05). Our data also show that sevoflurane did not interfere with polarographic measurements of oxygen tension (P〉0.05). Other inhaled agents—halothane, enflurane, and isoflurane—do interfere with these measurements, and we cannot explain the difference.
    Type of Medium: Electronic Resource
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