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2 edition of Effect of ultraviolet-B on plants found in the catalog.

Effect of ultraviolet-B on plants

Susan Whitmore

Effect of ultraviolet-B on plants

January 1980 - December 1990

by Susan Whitmore

  • 284 Want to read
  • 5 Currently reading

Published by National Agricultural Library in Beltsville, Md .
Written in English

    Subjects:
  • Plants, Effect of ultraviolet radiation on -- Bibliography.,
  • Plants, Effect of solar radiation on -- Bibliography.

  • Edition Notes

    StatementSusan C. Whitmore.
    SeriesQuick bibliography series -- QB 91-55., Quick bibliography series -- 91-55.
    ContributionsNational Agricultural Library (U.S.)
    ID Numbers
    Open LibraryOL17660772M

    Ultraviolet Radiation and Plants: Burning Questions Ann E. Stapleton Department of Biological Sciences, Stanford University, Stanford, California INTRODUCTION Plants use sunlight for photosynthesis and, as a consequence, are exposed to the ultraviolet (UV) radiation that is present in by:   The lower C 3 seed production for UV-B radiation-exposed plants relatively to that for the UV-B–exposed C 4 plants was not a direct effect of increased UV-B radiation, but a result of the physiological differences between C 3 and C 4 plants in the quantum yield efficiency and temperature-dependent photorespiration (Horsch and Lewis, Cited by: 2.

    @article{osti_, title = {Effects of ultraviolet-B radiation on fungal disease development in Cucumis sativus}, author = {Orth, A B and Teramura, A H and Sisler, H D}, abstractNote = {Stratospheric ozone depletion due to increased atmospheric pollutants has received considerable attention because of the potential increase in ultraviolet-B (UV-B, nm) radiation that . Stratospheric ozone depletion due to human activities has resulted in an increase of ultraviolet radiation on the Earth's surface. The article describes some effects on human health, aquatic ecosystems, agricultural plants and other living things, and explains how much ultraviolet radiation we are currently getting and how we measure by: 3.

    New unusual iridoids from the leaves of noni (Morinda citrifolia L.) show inhibitory effect on ultraviolet B-induced transcriptional activator protein-1 . Ultraviolet-B (UV-B) radiation can have wide-ranging impacts on plants. UV-B exposure can decrease the rate of photosynthesis, alter pigment concentrations, and damage DNA, proteins, and lipids; however, not all species are equally sensitive. Lemna minor and Spirodela polyrhiza, two sympatric aquatic plants, were exposed to 5 or 11 days of.


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Effect of ultraviolet-B on plants by Susan Whitmore Download PDF EPUB FB2

Get this from a library. Effect of ultraviolet-B on plants: January - December [Susan Whitmore; National Agricultural Library (U.S.)].

The effect of UV-B radiation on plant growth and development Article (PDF Available) in Plant Soil and Environment 49(3) March with 3, Reads How we measure 'reads'. The light is one of the most important factors that regulate growth and development of plants.

However, the increase of the ultraviolet-B radiation due to. Ultraviolet-B radiation changes the chemistry, morphology, and physiology of plants. This can directly influence pest and disease incidence.

For example, UV-B can affect leaf nitrogen content, available carbohydrate, and fiber (Zavala et al., ) indirectly influencing insect growth and survival. After full leaf expansion, plants from each treatment were placed into a factorial design experiment with two levels of ultraviolet-B (UV-B) radiation (0 and 80 milliwatts per square meter biologically effective UV-B) and two levels of concomitant PPFD ( and millimoles per square meter per second) resulting in a total of eight by: The new book “UV-B Radiation and Plant Life: Molecular Biology to Ecology” edited by Brian Jordan is about to be published Effect of ultraviolet-B on plants book CABI with contributions by several UV4Plants members.

Source: UV-B Radiation and Plant Life: Molecular Biology to Ecology at CABI’s website. The publisher’s blurb: Ultraviolet-B radiation (UV-B) has profound effects on plant growth and.

The photosynthetic apparatus of some plant species appears to be well-protected from direct damage from UV-B radiation. Leaf optical properties of these species apparently minimizes exposure of sensitive targets to UV-B radiation. However, damage by UV-B radiation to Photosystem II and Rubisco has also been reported.

Secondary effects of this damage may Cited by: The potential impact of an increase in solar ultraviolet-B (UV-B) radiation due to human activity on higher plants has been the subject of many studies.

Little work has been carried out so far on cotton responses to enhanced UV-B radiation. Soybean plants (cv. Hardee) were grown from seed under four ultraviolet-B radiation flux densities and four photosynthetically active radiation levels in a factorial design.

Net photosynthesis, dark respiration, and transpiration were measured after 2 and 6 weeks of exposure. Effects of ultraviolet-B radiation were dependent upon photosynthetically active Cited by:   Abstract.

Photosynthetic and antioxidant responses following exposure to either ultraviolet-A or ultraviolet-B were contrasted in two species of the unicellular green alga, s selection was based on the ability of Dunaliella bardawil (UTEX ) to accumulate inter-thylakoid β-carotene when subjected to environmental stress while Dunaliella Cited by:   Timing is also an important part of UV application.

When given UVB throughout the entire growth cycle, sensitive plants such as leafy greens often display reduced growth (plant height, dry weight, leaf area, etc.) and photosynthetic activity. Generally, the effectiveness of UVB also varies both among species and among individual strains or.

All in all, the effects reported so far for enhanced UV-B radiation, at least in UV-sensitive agricultural plants, show that the risks of ozone depletion are very high. 1 A. Teramura, Effects of ultraviolet-B radiation on the growth and yield of crop plants, Physiol. Plant., 58 () - 2 M.

Tevini, W. Iwanzik and A. Teramura Cited by: 3. The effect of UV-B radiation increased with the age of the plants, and was different for different compounds, but mostly positive.

At the 5 leaf stage the irradiated plants contained between 3 and 4 times as much of most essential oil components as did the unirradiated control by:   Effects of ultraviolet‐B radiation on the growth and yield of crop plants.

Physiologia Plantarum – TeramuraAH, Sullivan JH Soybean growth responses to enhanced levels of ultraviolet‐B radiation under greenhouse conditions. American Journal of Botany – TeramuraAH, Sullivan JH Effects of UV‐B radiation Cited by: The effects of ultraviolet‐B (UV‐B between and nm) on photosynthesis and growth characteristics were investigated in field grown cassava (Manihot esculentum Crantz).Plants were grown at ambient and ambient plus a kJ m −2 d −1 supplementation of UV‐B radiation for 95 d.

The supplemental UV‐B fluence used in this experiment simulated a 15% depletion in. Abstract. Sun is the primary source of energy for photosynthetic life on Earth. Ultraviolet-B (UV-B, – nm) radiation is a natural constituent of solar light reaching Earth’s surface due to the thinning of stratospheric ozone (O 3) studies have shown the harmful effects of UV-B on morphological, biochemical and physiological responses of by: 2.

Such an effect has been found when plants were exposed to high doses of supplemental UV-B light, which in the early stages caused substantial reduction in the rate of CO 2 assimilation and the amount of Rubisco in the absence of a major decline in PSII photochemistry (Nogués and Baker, ; Allen et al.,).Cited by: Ultraviolet (UV) is electromagnetic radiation with wavelength from 10 nm (with a corresponding frequency of approximately 30 PHz) to nm ( THz), shorter than that of visible light but longer than radiation is present in sunlight, and constitutes about 10% of the total electromagnetic radiation output from the is also produced by electric arcs and.

There are indications that ultraviolet B (UVB) exposure has beneficial effects on well-being through mechanisms other than vitamin D synthesis alone. We conducted a randomized controlled multicenter trial to compare the effects of UVB light and vitamin D supplementation (VD) in terms of the well-being of nursing home residents with dementia.

Participants were Author: Bistra I. Veleva, Monique A. Caljouw, Jenny T. van der Steen, Bart J. Mertens, Victor G. One of the primary effects of UV‐B on plants is a reduction in photosynthetic productivity (Caldwell & Flint ; Caldwell et al.

), and the general effect is to reduce biomass (Bornman & Teramura ). In recent years, enormous progress has been made in investigating fundamental aspects of plant photoreception.

Abstract-The effects of UV-B radiation on photosynthesis, growth and cannabinoid production of two greenhouse-grown C. sativa chemotypes (drug and fiber) were assessed. Terminal meristems of vegetative and reproductive tissues were irradiated for 40 days at a daily dose of 0, or kJ m-* biologically effective UV-B Size: KB.Light is the only key factor essential for plant growth, and ultraviolet (UV) rays, the harmful part of solar radiation, have the ability to decrease the metabolic rate in photosynthesis, causing deterioration in their growth.

Accurate handling of the ultraviolet light that reaches the crops allows the improvement of different aspects of production, such as the shape and color of the plants Author: Rahim Foroughbakhch Pournavab, Elly Bacópulos Mejía, Adalberto Benavides Mendoza, Lidia Rosaura Sala.When plants are hit with ultraviolet light, this event triggers the plant’s defense mechanisms.

The plant then becomes more resistant to insect attacks as it releases 15 defense proteins. The ultraviolet light also affects message pathways that impact plant development, growth and metabolism, according to Washington State University.