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  • temperature  (40)
  • Springer  (40)
  • 2015-2019
  • 1995-1999  (31)
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  • Springer  (40)
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  • 1
    Electronic Resource
    Electronic Resource
    Diapause induction in Ephestia cautella: An interaction between genotype and crowding (1980)
    Springer
    Entomologia experimentalis et applicata 28 (1980), S. 29-37 
    Details
    ISSN: 1570-7458
    Keywords: diapause ; induction ; termination ; temperature ; crowding ; inheritance ; Ephestia cautella ; almond moth ; stored products insect ; citrus pulp
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Resume L'induction de la diapause larvaire d'Ephestia cautella (Walker) dépend du génotype et de la densité larvaire. Des croisements à l'intérieur de la souche diapausante donnent 79% de diapause aux fortes densités larvaires et 40% aux faibles densités. Les croisements des adultes de cette souche avec ceux de la souche non-diapausante donnent 36% de diapause aux fortes densités et 6% aux faibles densités. La fréquence de fin de diapause est héréditaire et dépend de la température. Ces résultats peuvent expliquer les variations saisonnières du taux de diapause E. cautella dans la pulpe de citron stockée. La diapause larvaire a été induite chez des groupes de chenilles par surpeuplement dans des élevages standards, et chez des chenilles isolées par élevage sur une quantité limitée d'aliments frais ou sur une quantité abondante d'aliments frais contenant des résidus alimentaires provenent d'élevages surpeuplés. Les effets inducteurs de ces résidus alimentaires disparaissent après extraction avec les solvants de lipides. Une certaine action est observée par de l'extraint sec sur de l'aliment frais.
    Notes: Abstract Larval diapause induction in Ephestia cautella (Walker) (Lepidoptera: Pyralidae) is a function of the interaction between genotype and larval crowding. A diapause stock in which 79% of the larvae diapaused under crowded conditions and 40% diapaused under uncrowded conditions was maintained by selection. Outbreeding of adults from this diapause stock to those from a non-diapause stock resulted in 36% diapause under crowded conditions and 6% diapause under uncrowded conditions. The rate of termination of larval diapause is inheritable and temperature dependent. These data seem to explain the seasonal trends in percentage larval diapause among E. cautella infesting citrus pulp during storage. Larval diapause was induced in groups of larvae by crowding in mass cultures and in single larvae by rearing on a small amount of fresh diet or on a larger amount of fresh diet containing residual diet from crowded cultures. The diapause-inducing effects of this residual diet could be removed by extraction with lipid solvents. Some activity was demonstrated when the extract was dried onto fresh diet.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00422021
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  • 2
    Electronic Resource
    Electronic Resource
    The temperatures of nine flowing waters in southern England (1982)
    Springer
    Hydrobiologia 89 (1982), S. 193-204 
    Details
    ISSN: 1573-5117
    Keywords: temperature ; streams ; watercress beds ; southern England
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The authors analyse water temperatures in seven streams and two watercress beds in southern England, and examine some of the biological implications.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00005705
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  • 3
    Electronic Resource
    Electronic Resource
    Transcript accumulation and utilization of alternate and non-consensus splice sites in rice granule-bound starch synthase are temperature-sensitive and controlled by a single-nucleotide polymorphism (1999)
    Springer
    Plant molecular biology 40 (1999), S. 719-727 
    Details
    ISSN: 1573-5028
    Keywords: amylose ; splicing ; starch synthase ; temperature ; waxy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Granule-bound starch synthase (GBSS), a product of the waxy gene in rice (Oryza sativa L.), is necessary for the synthesis of amylose in the endosperm. In an extended pedigree of 89 rice cultivars, we have previously shown that all cultivars with more than 18% amylose had the sequence AGGTATA at the leader intron 5′ splice site, while all cultivars with a lower proportion of amylose had the sequence AGTTATA. This single-nucleotide polymorphism reduces the efficiency of GBSS pre-mRNA processing. It also results in alternate splicing at multiple sites, some of which have non-consensus sequences. Here we demonstrate that this same G-to-T polymorphism is also associated with differential sensitivity to temperature during the period of grain development. Cultivars with the sequence AGTTATA have a substantial increase in accumulation of mature GBSS transcripts at 18 °C compared to 25 or 32 °C. The selection of leader intron 5′ splice sites is also affected by temperature in these cultivars. A 5′ splice site −93 upstream from that used in high-amylose varieties predominates at 18 °C. At higher temperatures there is increased utilization of a 5′ splice site at −1 and a non-consensus site at +1. Potential implications of differential 5′ splice site selection and associated differences in 3′ splice site selection on transcript stability and translational efficiency are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1006298608408
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  • 4
    Electronic Resource
    Electronic Resource
    Relationships between soluble sugar concentrations in roots and ecosystem stress for first year sugar maple seedlings (1996)
    Springer
    Water, air & soil pollution 88 (1996), S. 1-19 
    Details
    ISSN: 1573-2932
    Keywords: Acidic deposition ; vesicular-arbuscular mycorrhizae ; seedling nutrition ; temperature
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Accumulation of reducing sugars (i.e., glucose and fructose) in plant roots has been consistently correlated with forest dieback and decline and, therefore, has potential as a biological indicator of ecosystem stress. In this study, the relationships between acidic deposition and “natural” (temperature, mycorrhizae, and nutrition) factors with first-year sugar maple seedling root sugar concentrations and growth were assessed in two sugar maple dominated forests in Michigan. Seedlings at the southern site (Wellston) had greater root growth, phosphorus, total sugar, and sucrose concentrations in roots, but lower reducing sugar concentration in roots. In addition, percent root length colonized by vesicular-arbuscular mycorrhizal fungi was less than that found for seedlings growing at the northern site (Alberta). Throughfall deposition of nitrate, sulfate, and hydrogen ions was not significantly correlated with seedling total or reducing sugar concentration. Total sugar concentration in seedling roots was positively correlated with air and soil temperatures at the southern site, but not at the northern site. Seedling tissue phosphorus concentration was correlated with total sugars at both sites, with sucrose at the southern site, and reducing sugars at the northern site. Mycorrhizal colonization rates at the Alberta site were positively correlated with reducing sugar concentration in seedling roots and negatively correlated with sucrose concentration. The results suggest that differences in seedling root sugar concentrations in these two forests are related to seedling root growth and are most likely due to ecological variables, such as available soil phosphorus, temperature, and growing season length through some complex interaction with mycorrhizae rather than acidic deposition stress.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00157410
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  • 5
    Electronic Resource
    Electronic Resource
    Different responses to temperature in three closely-related sympatric cereal aphids (1998)
    Springer
    Entomologia experimentalis et applicata 86 (1998), S. 49-58 
    Details
    ISSN: 1570-7458
    Keywords: aphids ; Sitobion ; population ; chromosomal race ; mean relative growth rate ; temperature
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Chromosomal races of the aphid Sitobion miscanthi (Takahashi), and a closely-related species S. near fragariae (Aphididae: Macrosiphini) show seasonal differences in abundance in eastern Australia. We tested whether this was related to differences in temperature response, using controlled laboratory conditions. Intrinsic rate of increase, rm, mean relative growth rate (MRGR), and longevity were compared at different temperatures, and rates of increase were compared outdoors under ambient conditions. Using laboratory data, we simulated population growth, for comparison with outdoor populations. There were significant differences in responses to temperature regimes both in the laboratory and outdoors. Outdoor populations fell well short of predicted sizes. S. miscanthi (2n=18) showed evidence of adaptation to warmer conditions. In contrast, S. nr fragariae showed consistent evidence for adaptation to cooler conditions, and S. miscanthi 2n=17 was approximately intermediate. These data indicate that temperature responses are important in the ecology, evolution and pest status of S. miscanthi clones and S. nr fragariae in Australia.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1003102927699
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  • 6
    Electronic Resource
    Electronic Resource
    Non-reciprocal cross-incompatibility in Trichogramma deion (1996)
    Springer
    Entomologia experimentalis et applicata 80 (1996), S. 481-489 
    Details
    ISSN: 1570-7458
    Keywords: reproductive compatibility ; hybrid inviability ; temperature ; Trichogramma ; biological control ; Hymenoptera ; Trichogrammatidae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract In non-reciprocal cross-incompatibility (NRCI), the crossing of a female of a strain A with a male of a strain B results in hybrid offspring, whereas the reciprocal cross produces few or no hybrids. Only females are of hybrid origin in Hymenoptera because they arise from fertilized eggs; males arise from unfertilized (haploid) eggs. Crosses between many strains of Trichogramma deion showed some degree of NRCI. Crosses between a T. deion culture collected in Seven Pines, California (SVP) with one from Marysville, California (MRY) showed an extreme form of NRCI in which practically no female offspring was produced when MRY females were crossed with SVP males. The reciprocal cross produced a close to normal proportion of female and male offspring. Detailed studied of this cross indicated that 1) the female offspring produced in the compatible interstrain cross were not the result of parthenogenesis but were true hybrids, 2) the incompatible interstrain cross did not produce female offspring because fertilized eggs died during development, 3) the death of these eggs could not be prevented by either antibiotic or temperature treatment, 4) cytoplasmically inherited factors causing NRCI could be discounted because backcrossed females with the genome of MRY and the cytoplasm of SVP, exhibit the NRCI relationship characteristic of their genome. Therefore the NRCI between these strains appears to be caused by a modification coded for by the nuclear genes of MRY that results in incompatibility when SVP sperm fertilizes MRY eggs. In addition the level of incompatibility in crosses between the SVP females and MRY males is temperature sensitive, the higher the rearing temperature the lower the level of compatibility.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00343472
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  • 7
    Electronic Resource
    Electronic Resource
    Viscosity of aqueous solutions of univalent electrolytes from 5 to 95°C (1980)
    Springer
    Journal of solution chemistry 9 (1980), S. 19-35 
    Details
    ISSN: 1572-8927
    Keywords: Viscosity ; automatic viscometer ; aqueous solution ; univalent electrolyte ; Jones-DoleB andD coefficient ; temperature ; coefficient ; water structure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Viscosity measurements of a series of univalent electrolytes in water have been performed with an automatic dual viscometer system, covering the temperature range of 5 to 95°C. Results are discussed in terms of Jones-DoleB andD coefficients. TheB coefficients of the salts are divided into their ionic contributions according toB(K+)=B(Cl−) at all temperatures. On a simple model intrinsic and structural contributions inB are calculated for the different ions. The structural term depends exponentially on the temperature in a unique manner, independent of the ion (except for Li+).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00650134
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  • 8
    Electronic Resource
    Electronic Resource
    Fungi associated with post-harvest rot of black plum (Vitex doniana) in Nigeria (1996)
    Springer
    Mycopathologia 136 (1996), S. 109-114 
    Details
    ISSN: 1573-0832
    Keywords: Fungi ; post-harvest rot ; relative humidity ; temperature ; Vitex doniana
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The fungi associated with rot of Vitex doniana fruits (blackplum) were isolated and identified. Aspergillus niger, Botryodiplodia theobromae, Candida spp. Penicillium chrysogenum, Rhizopus stolonifer, Fusarium pallidoroseum F. oxysporum and Mucor mucedo were the primary rot causing fungi in contrast to Cladosporium herbarum and Mucor circinelloides which were just present as secondary colonizers. The rot fungi penetrated mainly through wounds and bruises on the surface of fruits. Mature green fruits were less susceptible to infection than half ripe and fully ripened red fruits. Optimum rot by pathogenic isolates occurred at 25–30 °C and relative humidity 72.5–100%. The results of investigation of influence of storage temperatures and relative humidity on the quality of uninoculated healthy fruits are presented and discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00437504
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  • 9
    Electronic Resource
    Electronic Resource
    Temperature effect on shear induced transition in surfactant solution (1997)
    Springer
    Colloid & polymer science 105 (1997), S. 322-325 
    Details
    ISSN: 1435-1536
    Keywords: Rheology ; surfactant solutions ; micelles ; phase transition ; temperature
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Aqueous solutions of cationic surfactant with binding counterions exhibit a transition under shear. In this paper the steady shear properties of semidilute aqueous micellar solutions (cetylpyridinium chloride and sodium salicylate in brine) are presented as a function of concentration and temperature. The shear thinning behavior of this system could be described by the Carreau model at low shear rate and by a power law at higher shear rate. The temperature dependence of the zero shear viscosity follows an Arrhenius relationship. The critical shear rate at which the viscosity departs from its zero shear value is found to increase with temperature indicating the influence of this parameter on transition.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01188972
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  • 10
    Electronic Resource
    Electronic Resource
    Technique for Measuring Thermophysical Properties of Refractory Metals at Supercritical Temperatures (1999)
    Springer
    International journal of thermophysics 20 (1999), S. 1257-1266 
    Details
    ISSN: 1572-9567
    Keywords: critical point ; exploding wire technique ; high-pressure cell ; numerical modeling ; specific heat ; tantalum ; temperature
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A foil confined in a sapphire cell is heated by an electrical current pulse at rates from 1010 to 1011 K·s−1. Temporal evolutions of the temperature and pressure distributions in the foil is investigated by means of numerical modeling. It is demonstrated that such a technique allows reaching temperatures far above 10,000 K and pressures up to 50 kbar and provides a uniform temperature and pressure in the foil. The technique has been applied for investigation of liquid tantalum. Experimental results on temperature measurement are discussed. Data on specific heat of liquid tantalum at temperatures up to 11,000 K are reported.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1022631626431
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