Effect of Temperature, Salinity and Sodium Bicarbonate on Germination of Russian Tumbleweed (Salsola ruthenica Iljin.)

Year 2019, Volume: 22 Issue: 1, 1 - 6, 04.07.2019

İsik Tepe , Meryem Dımen

Abstract

Russian
tumbleweed (Salsola ruthenica Iljin.)
is a plant, which commonly places in agricultural areas, orchards, and
roadsides. The aim of this study is to obtain information about seed
germination physiology of Russian tumbleweed. The results may help improve
control strategies for this weed, and enlighten to further studies. For this
purpose, mature seeds of Russian tumbleweed were collected from the areas of
near Lake Van in 2015. Experiments were conducted in the laboratory conditions
to determine the effect of temperature, salinity (NaCl), and sodium bicarbonate
(NaHCO₃) on seed germination of Russian tumbleweed. Seeds were
germinated at five alternating temperatures (5/10, 10/20, 15/25, 20/30, and
25/35 ºC), five salt concentrations (0, 200, 400, 600, and 800 mM NaCl) and
five sodium bicarbonate concentrations (0, 50, 100, 200, and 400 mM NaHCO₃)
with a 12 h photoperiod. OGT obtained at 15/25 ºC and germination percentage
was 71.5%. The highest germination rate was determined at 0 mM (control) NaCl
and NaHCO₃, 71.5% and 65.5%, respectively. Finally, although it is
known a halophyte plant, Russian tumbleweed hasbetter germination rates when
it  place salt or soda free mediums.

Effect of Temperature, Salinity and Sodium Bicarbonate on Germination of Russian Tumbleweed (Salsola ruthenica Iljin.)

Abstract

Russian
tumbleweed (Salsola ruthenica Iljin.)
is a plant, which commonly places in agricultural areas, orchards, and
roadsides. The aim of this study is to obtain information about seed
germination physiology of Russian tumbleweed. The results may help improve
control strategies for this weed, and enlighten to further studies. For this
purpose, mature seeds of Russian tumbleweed were collected from the areas of
near Lake Van in 2015. Experiments were conducted in the laboratory conditions
to determine the effect of temperature, salinity (NaCl), and sodium bicarbonate
(NaHCO₃) on seed germination of Russian tumbleweed. Seeds were
germinated at five alternating temperatures (5/10, 10/20, 15/25, 20/30, and
25/35 ºC), five salt concentrations (0, 200, 400, 600, and 800 mM NaCl) and
five sodium bicarbonate concentrations (0, 50, 100, 200, and 400 mM NaHCO₃)
with a 12 h photoperiod. OGT obtained at 15/25 ºC and germination percentage
was 71.5%. The highest germination rate was determined at 0 mM (control) NaCl
and NaHCO₃, 71.5% and 65.5%, respectively. Finally, although it is
known a halophyte plant, Russian tumbleweed hasbetter germination rates when
it  place salt or soda free mediums.

Keywords

Russian tumbleweed, Salsola ruthenica, salt, seed germination, sodium bicarbonate

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