THE INTERACTIONS OF UV-B AND UV-C RADIATION AND SALICYLIC ACID ON SOME PHYSIOLOGICAL AND BIOCHEMICAL PARAMETERS IN MELISSA OFFICINALIS L.

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ABEDZADEH MEHDI; POURAKBAR LATIFEH

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Journal: JOURNAL OF PLANT PROCESS AND FUNCTION Year:2013 | Volume:2 | Issue:3 Page(s): 1-14

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Title

THE INTERACTIONS OF UV-B AND UV-C RADIATION AND SALICYLIC ACID ON SOME PHYSIOLOGICAL AND BIOCHEMICAL PARAMETERS IN MELISSA OFFICINALIS L.

Author(s)

ABEDZADEH MEHDI | POURAKBAR LATIFEH | Issue Writer Certificate

Keywords

UV RADIATIONQ3

MMELISSA OFFICINALIS LQ2

PHOTOSYNTHETIC PIGMENTSQ2

UV- ABSORBING COMPOUNDSQ1

PHENYLALANINE AMMONIALYASEQ2

Abstract

Nowdays, effects of decreased ozone and increased UV RADIATION have been studied by many researchers. The aim of this study was to investigate the effects of UV-B and UV-C radiations on Melissa officinalis L and to study the impact of salicylic acid in reducing the harmful effects of radiation on plants. The Melissa officinalis L. plants were treated with 28±2oC temperature for about 60 days. The light intensity was 150 m mol m-2 S-1 and the photoperiod condition was 8-16 hours. UV treatment was applied after the six-leaf stage and UV-B radiation was applied for a period of 15 days application for 20 minutes. But UV-C radiation was applied every other days for 15 days in and time of each application was 8 minutes. Salicylic acid was sprayed on the plants after the sixleaf stage with a concentration of 1 mM. The results indicated that the UV-B and UV-C radiations led to reduction in dry and fresh weight, root elongation and shoots. The radiations also reduced the PHOTOSYNTHETIC PIGMENTS (chlorophyll a, chlorophyll b and carotenoid) sugar content and total soluble proteins amount. The malondialdehyde and PHENYLALANINE AMMONIALYASE compounds content and UV- ABSORBING COMPOUNDS were increased under the effect of UV-B and UV-C radiations. The results showed that treatment with salicylic acid reduced. The damage to the plant which had been created due to UV-B and UV-C radiations and was able to compensate for modified factors that had been changed because of ultra violet radiations.

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APA: Copy

ABEDZADEH, MEHDI, & POURAKBAR, LATIFEH. (2013). THE INTERACTIONS OF UV-B AND UV-C RADIATION AND SALICYLIC ACID ON SOME PHYSIOLOGICAL AND BIOCHEMICAL PARAMETERS IN MELISSA OFFICINALIS L.. JOURNAL OF PLANT PROCESS AND FUNCTION, 2(3), 1-14. SID. https://sid.ir/paper/234318/en

Vancouver: Copy

ABEDZADEH MEHDI, POURAKBAR LATIFEH. THE INTERACTIONS OF UV-B AND UV-C RADIATION AND SALICYLIC ACID ON SOME PHYSIOLOGICAL AND BIOCHEMICAL PARAMETERS IN MELISSA OFFICINALIS L.. JOURNAL OF PLANT PROCESS AND FUNCTION[Internet]. 2013;2(3):1-14. Available from: https://sid.ir/paper/234318/en

IEEE: Copy

MEHDI ABEDZADEH, and LATIFEH POURAKBAR, “THE INTERACTIONS OF UV-B AND UV-C RADIATION AND SALICYLIC ACID ON SOME PHYSIOLOGICAL AND BIOCHEMICAL PARAMETERS IN MELISSA OFFICINALIS L.,” JOURNAL OF PLANT PROCESS AND FUNCTION, vol. 2, no. 3, pp. 1–14, 2013, [Online]. Available: https://sid.ir/paper/234318/en

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