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Investigating deleterious effects of ultraviolet (UV) radiations on wheat by a quick method

Acta Physiologiae Plantarum, ISSN: 0137-5881, Vol: 37, Issue: 6
2015
  • 13
    Citations
  • 0
    Usage
  • 16
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    13
    • Citation Indexes
      13
  • Captures
    16

Article Description

Increasing air pollution has resulted in ozone depletion, which has led to an increase in the amount of ultraviolet (UV) radiation reaching the surface of earth posing hazardous effects on the plant yield. The chlorophyll a fluorescence transients were recorded in vivo using plant efficiency analyzer and analyzed according to JIP test, which can monitor photosystem II (PSII) behavior. This study aims to evaluate the sensitivity of different components of PSII to UV radiations and the extent of damage caused when wheat plants were exposed to UV radiations for 2 and 4 h. It was observed that functional disconnection of light harvesting complexes from PSII complex, accumulation of inactive reaction center, inactivation of oxygen evolving complex, and thus the linear electron transport process (ET0/CS), were drastically affected by UV radiations. This study will contribute to understanding of the basic photosynthetic mechanisms affected in crop plants due to increased UV radiations. The knowledge obtained will be relevant for environmental and plant scientists to plan strategies to cope with stresses.

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