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  • Lepidoptera  (6)
  • Iron
  • Meiosis
  • NDE
  • Springer  (10)
  • American Chemical Society
  • International Union of Crystallography
  • International Union of Crystallography (IUCr)
  • Wiley
  • 1980-1984  (10)
  • 1983  (10)
Collection
Keywords
Publisher
Years
  • 1980-1984  (10)
Year
  • 1
    Electronic Resource
    Electronic Resource
    The acquisition of phosphorus byLupinus albus L. (1983)
    Springer
    Plant and soil 70 (1983), S. 107-124 
    Details
    ISSN: 1573-5036
    Keywords: Citrate ; Iron ; Lupins ; Lupinus albus L. ; Phosphorus ; Polymers
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Large quantities of citrate ions have been shown to be secreted by the roots ofLupinus albus. It is postulated that these react in the soil to form ferric hydroxy phosphate polymers which diffuse to the root surface where they are degraded by the action of reducing agents in the presence of an Fe II uptake mechanism balanced by hydrogen ion secretion. Some known chemical behaviour of Fe III and citrate which supports this postulate is reviewed. Evidence is also presented which suggests that much of the Fe absorbed circulates within the root system and is subsequently precipitated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02374754
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  • 2
    Electronic Resource
    Electronic Resource
    Sex pheromone components ofEuxoa drewseni Chemical identification, electrophysiological evaluation, and field attractancy tests (1983)
    Springer
    Journal of chemical ecology 9 (1983), S. 335-346 
    Details
    ISSN: 1573-1561
    Keywords: Euxoa drewseni ; Chorizagrotis thanatologia ; Lepidoptera ; Noctuidae ; sex pheromone ; attractant inhibitor ; parapheromone ; (Z)-5-dodecenyl acetate ; (Z)-7-dodecenyl acetate ; (Z)-7-tetradecenyl acetate ; (Z)-7-pentadecenyl acetate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Eleven compounds structurally similar to known lepidopterous pheromone components were identified in the extract from 18 calling female moths ofEuxoa drewseni (Staudinger). The identifications were done by gas chromatography-mass spectrometry and high-resolution gas chromatography with flame ionization and electroantennographic detectors simultaneously. Detector antennae were from five species of moths. In the field, male moths were specifically attracted to a three-component blend of dodecyl, (Z)-5-dodecenyl, and (Z)-7-tetradecenyl acetates in a ratio of 2∶6∶1. This blend at 1000 μg/rubber septum dispenser is recommended as a trap bait for monitoring purposes. Low concentrations of (Z)-7-dodecenyl acetate or (Z)-7-tetradecenol inhibited the attraction of moths to the three-component blend. (Z)-7-Pentadecenyl acetate functioned as a parapheromone in place of (Z)-7-tetradecenyl acetate in the pheromone blend, and they appear to react via the same antennal receptor.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00988453
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  • 3
    Electronic Resource
    Electronic Resource
    Triunsaturated hydrocarbons, sex pheromone components ofCaenurgina erechtea (1983)
    Springer
    Journal of chemical ecology 9 (1983), S. 1413-1423 
    Details
    ISSN: 1573-1561
    Keywords: Behavior ; Caenurgina erechtea (Cramer) ; forage looper ; Lepidoptera ; Noctuidae ; sex pheromone ; (Z,Z,Z)-3,6,9-eicosatriene ; (Z,Z,Z)-3,6,9-heneicosatriene ; flight tunnel
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract (Z,Z,Z)-3,6,9-Eicosatriene and (Z,Z,Z)-3,6,9-heneicosatriene have been identified as components of the sex pheromone of the noctuid,Caenurgina erechtea (Cramer), the forage looper. Structural assignments were made on the basis of spectroscopic and chromatographic data and were confirmed by comparison with synthetic material. Flight tunnel behavioral studies demonstrated that either component, when tested individually, would elicit wing fanning responses in males; however, mixtures of the two components increased this response and were essential for initiation of upwind flight and landing. In field experiments, traps baited with either component alone captured few or no adult forage looper males while those baited with both components captured several target males.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00990747
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  • 4
    Electronic Resource
    Electronic Resource
    Effect of soybean phytoalexins on the herbivorous insects mexican bean beetle and soybean looper (1983)
    Springer
    Journal of chemical ecology 9 (1983), S. 657-672 
    Details
    ISSN: 1573-1561
    Keywords: Pseudoplusia includens ; soybean looper ; Lepidoptera ; Noctuidae ; Epilachna varivestis ; Mexican bean beetle ; Coleoptera ; Coccinellidae ; feeding preferences ; nutrition ; food utilization ; host-plant resistance ; induced resistance ; glyceollin ; isoflavonoids ; soybean ; phytoalexins
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Effects of soybean phytoalexins on the feeding of the soybean looper and Mexican bean beetle were investigated to test the hypothesis that phytoalexins might be a defense mechanism of plants against insects as well as against pathogens. Short-term behavioral responses to the phytoalexins were analyzed using dual-choice tests with phytoalexin-rich and phytoalexin-poor (control) tissues. Phytoalexin production was elicited with ultraviolet radiation. Results from the dual-choice tests indicated that 6th instar soybean looper larvae fed equally on the control and phytoalexin-rich tissues. Feeding by adult and 4th instar Mexican bean beetles, however, was strongly deterred by the phytoalexins as evidenced by “single-bite” mandible scars on the phytoalexin-rich cotyledon discs. Nutritional effects of the isoflavonoid phytoalexin glyceollin on early instar soybean looper larvae were tested by incorporating the phytoalexin into an artificial medium at a level of 1% dry weight (0.15% fresh weight). The larvae were reared for 7 days from emergence on diets of control and glyceollin-containing media. Although survival on the glyceollin diets was initially less than on the control diets, under the experimental conditions glyceollin had no significant effect on the growth, development, or subsequent survival of the larvae. Efficiency of food utilization (ECI) was reduced, indicating that the phytoalexins may be a mild digestibility-reducing factor for the loopers. Implications of the results for host-plant resistance are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00988774
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  • 5
    Electronic Resource
    Electronic Resource
    Identification of sex pheromone components of the female driedfruit moth,Vitula edmandsae serratilineella, and a blend for attraction of male moths (1983)
    Springer
    Journal of chemical ecology 9 (1983), S. 785-801 
    Details
    ISSN: 1573-1561
    Keywords: Driedfruit moth ; Vitula edmandsae serratilineella ; Lepidoptera ; Pyralidae ; Phycitinae ; sex pheromone ; attractant inhibitor ; (Z)-9,(E)-12-tetradecadienol ; (Z)-9,(E)-12-tetradecadienal ; alcohol ; aldehyde
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Sixteen pheromone-like compounds were identified in abdomen tip washes and excised abdomen tip extracts of calling females of driedfruit moth,Vitula edmandsae serratilineella Ragonot. Identifications were by high-resolution gas chromatography-mass spectrometry, and gas chromatography with flame ionization and electroantennographic detectors. Male moths were attracted to a blend of (Z)-9,(E)-12-tetradecadienol and (Z)-9,(E)-12-tetradecadienal in a ratio of 100∶1 at 500 μg/rubber septum dispenser, which is recommended for monitoring purposes. Low concentrations of (Z)-9-tetradecenol (0.5%) and (Z)-9-tetradecenal (0.1%) may be beneficial for the attraction of males, but 1–2% of (E)-9,(E)-12- or (Z)-9,(Z)-12-tetradecadienol, or (Z)-9,(E)-12-tetradecadienyl acetate inhibited their attraction. Gravid female moths were attracted to traps that captured large numbers of males. Females may be attracted to male hairpencil or forewing gland secretions emitted near the traps or that accumulate in the traps.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00988783
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  • 6
    Electronic Resource
    Electronic Resource
    Effect of soil salinity on the electro-chemical and chemical kinetics of some plant nutrients in submerged soils (1983)
    Springer
    Plant and soil 75 (1983), S. 455-472 
    Details
    ISSN: 1573-5036
    Keywords: Ammonification ; Eh ; Flooded soils ; Iron ; Manganese ; Nitrate reduction ; Phosphorus ; pH ; Salinity and extractable cations ; Zinc
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary The electro-chemical and chemical kinetics of six California rice soils were significantly influenced by the presence of salts up to an EC of 9 mmhos/cm in saturation extract (ECe). Subsamples of each soil salinity treatment were incubated for periods up to 10 weeks after flooding. Most of the changes in Eh and pH values took place in the first 3–4 weeks after submergence. Salinity decreased pH values, but slightly increased the redox-potential. Both ammonification and nitrate reduction were significantly decreased, by increasing soil salinity. Salinity up to 9 mmhos/cm did not affect levels of Bray and Kurtz extractable P, but increased the water extractable Ca, Mg, K and Mn. In DTPA extract, salinity in incubated soils had no effect on Zn in 4 soils, but it decreased Fe in acid and neutral soils. Possible explanations for the electro-chemical and chemical kinetic changes due to flooding and salinity are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02369980
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  • 7
    Electronic Resource
    Electronic Resource
    Manganese and iron interactions on their uptake and distribution in soybean (Glycine max (L.) Merr.) (1983)
    Springer
    Plant and soil 70 (1983), S. 317-326 
    Details
    ISSN: 1573-5036
    Keywords: Glycine max (L.) Merr. ; Iron ; Manganese ; Soybean
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary The uptake and distribution of iron and manganese were studied in a manganese-sensitive soybean cultivar (‘Bragg’) grown over a range of supply levels of these nutrients in solution culture. At high (90 and 275 μM) manganese levels, increasing the iron concentration in solution from 2 to 100 μM partially overcame the effects of manganese toxicity. Interactions between manganese and iron occurred for dry matter yields, rate of Mn absorption by the roots, and the proportions of manganese and iron transported to the tops. No interaction was observed for the rate of root absorption of iron. The percentage distribution of manganese in the plant top increased with increasing iron, despite a reduced rate of Mn uptake. On the other hand, iron uptake was independent of solution Mn concentration and increased with increasing solution Fe. Also more iron was retained in the roots at high Mn and/or Fe levels in solution. Concentrations of manganese and iron in roots, stems and individual leaves were affected independently by the manganese and iron supplyi.e. without any interaction occurring between the two elements. In general, the concentration in a plant part was related directly to the solution concentration. Symptoms resembling iron deficiency correlated poorly with leaf Fe concentrations whereas high levels of manganese were found in leaves displaying Mn toxicity symptoms.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02374888
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  • 8
    Electronic Resource
    Electronic Resource
    Influence of humic acid on iron required for the formation of hydroxyproline in discs ofBeta vulgaris L. storage tissue (1983)
    Springer
    Plant and soil 73 (1983), S. 27-34 
    Details
    ISSN: 1573-5036
    Keywords: Beta vulgaris ; Cell walls ; Chelating agents ; Humic acid ; Hydroxyproline ; Iron ; Proline ; Proteins ; Storage tissue
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary When discs of beetroot storage tissue are washed (aged) in water for three days, there is at least a 100 per cent increase in the content of their cell-wall bound hydroxyproline. Humic acid, prepared from an agricultural soil, enhances this increase. The effects of humic acid on the increase in the hydroxyproline content of cell walls, as well as on the formation of14C-labelled hydroxyproline from14C-proline, are compared with those effects produced by the chelating agents 2,2′-dipyridyl and 8-hydroxyquinoline. It is suggested that humic acid enhances hydroxyproline formation either by a mechanism which renders more ferrous iron available for the hydroxylation of proline to hydroxyproline within the tissue, and/or a mechanism which stimulates the enzyme required for the hydroxylation process.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02197754
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  • 9
    Electronic Resource
    Electronic Resource
    Field trapping of diamondback mothPlutella xylostella using an improved four-component sex attractant blend (1983)
    Springer
    Journal of chemical ecology 9 (1983), S. 113-118 
    Details
    ISSN: 1573-1561
    Keywords: Diamondback moth ; Plutella xylostella ; Crymodes devastator ; Lepidoptera ; Yponomeutidae ; Noctuidae ; sex attractant ; (Z)-11-hexadecenyl acetate ; (Z)-11-hexadecen-1-ol ; (Z)-11-hexadecenal ; (Z)-9-tetradecenyl acetate ; (Z)-9-tetradecen-1-ol
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract In addition to three known sex lure components [(Z)-11-hexadecenyl acetate, (Z)-11-hexadecenal, and (Z)-11-hexadecenol], (Z)-9-tetradecenyl acetate was field-proven as a trace coattractant for malePlutella xylostella, with an optimal content below 0.01% in blends. This potent four-component lure for diamondback males also attractedCrymodes devastator males, and in this respect is not different in its attractancy from virgin diamondback females. Replacement of (Z)-9-tetradecenyl acetate in the four component lure with (Z)-9-tetradecen-1-ol, at the level of 10% of the total lure mixture, did not alter its attractancy for diamondback males, but it did inhibit attraction ofCrymodes devastator. The status of biologically active components as possible sex pheromones or para-pheromones is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987775
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  • 10
    Electronic Resource
    Electronic Resource
    Field attractiveness of (E)- and (Z)-11-tetradecenal pheromone blends to male spruce budworm moths,Choristoneura fumiferana (Clemens) (1983)
    Springer
    Journal of chemical ecology 9 (1983), S. 1327-1332 
    Details
    ISSN: 1573-1561
    Keywords: Spruce budworm moths ; Choristoneura fumiferana ; Lepidoptera ; Tortricidae ; sex pheromone ; attractants ; isomeric blends
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract E∶Z blends of (E)-11-tetradecenal were field tested (three experiments) for their attractiveness to male spruce budworm,Choristoneura fumiferana (Clemens), moths in northern Maine. Blends of 92.5–99%E isomer caught the most moths (three experiments); blend 95%E had the highest cumulative catch throughout two experiments. Rates of catch per hour for the four most attractive blends (92.5–99%E) showed highly variable responses among experiments; however, similarities were noted for rates of catch within the same experiment. For all experiments and observation hours, blend 95%E had the highest mean rate of catch.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00994801
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