Antioxidative Defence Mechanisms in Tomato (Lycopersicum esculentum L.) Plants Sprayed with Different Pesticides and Boron compounds
Abstract
Oxidative stress was investigated in Lycopersicum esculentum L.
by applying various pesticides and boron compounds for two years, near
Ortaca-Muğla. The field sections were treated separately by commercial
pesticides and boron compounds i.e. tarimbor (TB), boric acid (BA), laser (LA),
zoom (ZO) and admiral (AD). During first year, boric acid (BA-1) caused
highest increase in total chlorophyll (TCh) content (158.41 μg g-1)
while the second dose (BA-2) decreased it (103.11 μg g-1). During
second year, higher doses of tarimbor
(236.49 μg g-1) caused increase in total chlorophyll (TCh) while ZO
treatment decreased it (142.55 μg g-1) (control: 149.55 μg g-1).
TB-1 caused the highest increase in proline content (33.52 nmol g-1)
while highest reduction was observed in boric acid (BA-2) (22.51 nmol g-1)
as compared to control group (26.77 nmol g-1). During the first
year, an increase of boric acid and tarimbor concentrations decreased
malonaldehyde (MDA) while during the second year, both increases and decreases
were observed in the MDA amount. Highest superoxide
dismutase (SOD) amount was found in the first year ZO
treated plants i.e. 70.35 unit SOD/mg protein while TB-1 treatment caused the
highest decrease in the SOD amount i.e. 35.21 unit SOD/mg protein (control:
45.23 unit SOD/mg protein).
Keywords
References
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Details
Primary Language
English
Subjects
Structural Biology
Journal Section
Research Article
Authors
Köksal Küçükakyüz
Türkiye
Hasan Sungur Civelek
Türkiye
Said Nadeem
This is me
Türkiye
Atilla Levent Tuna
Türkiye
Publication Date
September 15, 2018
Submission Date
March 30, 2018
Acceptance Date
July 20, 2018
Published in Issue
Year 2018 Volume: 5 Number: 3