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Wednesday, July 15, 2020 | History

2 edition of Effects of temperature and humidity on the biology of Therioaphis maculata (Buckton) found in the catalog.

Effects of temperature and humidity on the biology of Therioaphis maculata (Buckton)

Harry Morgan Graham

Effects of temperature and humidity on the biology of Therioaphis maculata (Buckton)

by Harry Morgan Graham

  • 238 Want to read
  • 15 Currently reading

Published by University of California Press in Berkeley .
Written in English

    Subjects:
  • Spotted alfalfa aphid.,
  • Temperature -- Physiological effect.,
  • Humidity -- Physiological effect.

  • Edition Notes

    Statementby Harry Morgan Graham.
    SeriesUniversity of California publications in entomology -- v. 16, no. 2.
    Classifications
    LC ClassificationsQL461 .C17 vol 16, no. 2
    The Physical Object
    Pagination47-80 p.
    Number of Pages80
    ID Numbers
    Open LibraryOL16015422M
    LC Control Number59009925

    Gothilf S. The biology of the carob moth Ectomyelois ceratoniae (Zell.) in Israel. II. Effect of food, temperature, and humidity on development. Israel Journal of Entomology 4: – Gothilf S. Biology of Spectrobates ceratoniae on almonds in Israel. Phytoparasitica 12 (2): 77– Hung C., Chiang B., Wang W.   Temperature-stratified and relative humidity-stratified parametric analyses were conducted to determine whether the relationship between air pollutants and AD differed across temperature and humidity quartiles. Quartile cutoff points were ° C, ° C, and ° C for temperature and %, %, and % for relative humidity.

      Messenger (), using fluctuating temperatures, found °C to be the highest mean temperature that allowed the completion of development in the spotted alfalfa aphid, Therioaphis maculata (Buckton), and Graham () reported successful development at a constant temperature of 35°C for T. maculata. In the 2d environment, the mean temperature was fixed at C with a diurnal low of C and a high of C. The basic shape of the diurnal pattern of temperature was the same as that described above for the cooler environment. Isolation studies. To determine quantitatively the effects of temperature, humidity, and light.

    The effect of temperature and humidity on spinning behavior of silkworm was studied [, ]. Table 3 describes the combined effect of humidity and air current during spinning time of silkworm and the results show that low humidity (65%) and air current of 50 cm/sec are adequate for obtaining a good reliability of above 95%. Similar effects were reported by Messenger () and Graham () on T. maculata. A maximal r m of at a fluctuating temperature averaging °C, or amaximalr m of at a constant temperature of 25°C, were recorded for laboratory population of T. maculata.


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Effects of temperature and humidity on the biology of Therioaphis maculata (Buckton) by Harry Morgan Graham Download PDF EPUB FB2

Get this from a library. Effects of temperature and humidity on the biology of Therioaphis maculata (Buckton). [Harry Morgan Graham]. Effects of temperature and humidity on the biology of Therioaphis maculata (Buckton).

Univ. Calif. Publs Ent. 47 Cited by: Effects of temperature and humidity on the biology of the spotted alfalfa aphid, Therioaphis maculata (Buckton), and the pea aphid, Macrosiphum pisi (Harris), feeding on selected alfalfa clones By : Albert.

Isaak. Effects of temperature and humidity. Biology of the aphid Therioaphis maculata was studied on alfalfa (Medicago sativa L.), including four.

Biology of the aphid Therioaphis maculata was studied on alfalfa (Medicago sativa L.), including four resistant (Mesa-Sirsa, CUF, Baker and Lahontan) and. The temperature-dependent development, survivorship, and reproduction of the spirea aphid, Aphis spiraecola Patch, on Polyscias crispata (Bull) Merr were evaluated at eight constant temperatures (10, 15, 20, 25, 28, 30, 32, and 35°C).

The population failed to survive at 35°C. Between 10–32°C, developmental periods of immature stages varied from d at 10°C to. Temperature and humidity affect the Earth's weather and the health and comfort of its residents.

Relative humidity describes the percentage of water vapor in air that changes as air temperature changes. Dew point refers to the temperature at which air reaches saturation by water molecules.

Climate - Climate - Relation between temperature and humidity: Tables that show the effect of temperature upon the saturation mixing ratio rw are readily available. Humidity of the air at saturation is expressed more commonly, however, as vapour pressure.

Thus, it is necessary to understand vapour pressure and in particular the gaseous nature of water vapour. humidity control. Duration of development, generation time, and longevity of three hymenopterous parasites of Therioaphis maculata, reared at various constant temperatures.

Ann. Entomol. Soc. Amer. 57(4) illus. refs., and Fecundity, reproductive rates, and innate capacity for increase of three parasites of Therioaphis maculata (Buckton).

Low temperature has been used to extend the shelf life of temperate fruits and vegetables since antiquity, while the negative effect of low temperature (temperature storage has the additional benefit of protecting non-appearance quality.

When the temperature is high and humidity is normal, more stomata will open, letting in carbon dioxide for active photosynthesis. If the air is excessively dry and the plant is wilting, the stomatal openings close, thereby reducing photosynthetic activity and ultimately plant growth.

The quality of the crop is dependent on the conditions that. Specific wavebands may allow precise control of plant growth.

However, light sources must be carefully evaluated before the large-scale use of supplemental light sources can be implemented. Dieffenbachia maculata “Compacta” plants were grown for 8 weeks in pots in a growth chamber under tightly controlled temperature and humidity in order to assess the effects of.

Results. Temperature or relative humidity levels were associated with methylation on tissue factor (F3), intercellular adhesion molecule 1 (ICAM-1), toll-like receptor 2 (TRL-2), carnitine O-acetyltransferase (CRAT), interferon gamma (IFN-γ), inducible nitric oxide synthase (iNOS), and glucocorticoid receptor, LINE-1, and instance, a 5°c increase in 3-week average temperature.

Influence of temperature and humidity on populations of Callosobruchus maculatus (Coleoptera: Bruchidae) and its parasitoid Dinarmus basalis (Pteromalidae) in two climatic zones of Burkina Faso - Volume 86 Issue 6 - P. Ouedraogo, S. Sou, A. Sanon, J. Monge, J.

Huignard, B. Tran, P. Credland. Photosynthetic Response and Adaptation to Temperature in Higher Plants J Berry, and and O Bjorkman Annual Review of Plant Physiology Effects of Light Quality on Plant Growth E C Wassink, and and J A J Stolwijk Annual Review of Plant Physiology Soil Moisture in Relation to Plant Growth F.

Veihmeyer and A. Hendrickson. Effect of temperature on life history of Aphidius colemani and Aphidius matricariae (Hymenoptera: Braconidae), two parasitoids of Aphis gossypii and Myzus persicae (Homoptera: Aphididae). Zamani AA, Talebi A, Fathipour Y, Baniameri V.

Environ Entomol, 36(2), 01 Apr Cited by 22 articles | PMID: Resistance in alfalfa to the spotted alfalfa aphid, Therioaphis maculata (Buckton), was studied in relation to several environmental factors.

Two resistant parental clones of the variety Lahontan were studied in comparison with a susceptible variety, Caliverde. The two Lahontan clones showed a lower degree of resistance at low than at high temperatures. Effects of temperature and THI at different periods of the reproductive cycle were estimated from May to September where temperatures were expected to influence climatic conditions indoors.

High temperatures and THI values 5 days pre‐ and 14 days post‐breeding reduced litter size by to piglets (P. Laboratory investigations were conducted on the biology of Apanteles subandinus Blanchard and the effect of temperature and relative humidity on its bionomics. Temperature responses of this parasite were compared with those of Apanteles scutellaris Muese-beck and their common host, the potato tuberworm, Phthorimaea operculella (Zeller).).

Responses of the parasites. Annals of Applied Biology Vol Issue 2. Some effects of air temperature and humidity on crop and leaf photosynthesis, transpiration and resistance to gas transfer.

J. E. LEACH. Physics Department, Rothamsted Experimental Station, Harpenden, Herts, AL5 2JQ.Results. Development times and time to death differed significantly, with the endemic S.

fonquerniei taking on average times longer to complete development and having a shorter time to death than X.

cheopis under adverse conditions with high temperature and low humidity. Temperature had a significant effect on the development times of flea larvae and pupae.Effects Of Altitude, Temperature, And Humidity On Abundance And Diversity Of Insects Causing Skin 30 | Page Herms and James (), it is estimated that flies in single cattle can still be tolerated without adverse.