@article{article_542391, title={The determination of gibberellic acid effects on seed germination of Echinacea purpurea (L.) Moench under salt stress}, journal={International Journal of Agriculture Environment and Food Sciences}, volume={3}, pages={101–105}, year={2019}, DOI={10.31015/jaefs.2019.2.8}, author={Tuncturk, Rüveyde and Kipcak, Serhat and Ghiyasi, Mahdi and Tuncturk, Murat}, keywords={Gibberellic acid,Salt,Echinacea (Echinacea purpurea L.),Germination}, abstract={<p class="MsoNormal" style="margin-bottom:.0001pt;text-align:justify;line-height:normal;"> <span lang="tr" style="font-size:10pt;font-family:’Times New Roman’;" xml:lang="tr"> <span style="font-size:14px;">The research was
conducted to determine the effect of gibberellic acid pre-treatments on
germination of </span> <i> <span style="font-size:14px;">Echinacea purpurea </span> </i> <span style="font-size:14px;">
seeds under salt stress. </span> </span> <span lang="tr" style="font-size:14px;font-family:’Times New Roman’;" xml:lang="tr"> </span> <span style="font-size:10pt;font-family:’Times New Roman’;"> <span style="font-size:14px;">In
the study, three different gibberellic acid concentrations (0, 100, 200 and 300
ppm) were pre-treated. </span> <span class="shorttext" style="font-size:14px;">Seeds planted in petri dishes </span> <span style="font-size:14px;">
were left to germinate after salt applications at 0, 50 and 100 mM (NaCl)
concentrations. Responses of </span> <i> <span style="font-size:14px;">echinacea </span> </i> <span style="font-size:14px;">
to priming and salt stress treatments were observed on the bases of some growth
and viability (radicle and hypocotyl length, radicle fresh and dry weight,
hypocotyl fresh and dry weight, germination power, germination speed, mean
germination time, germination and sensitivity index) parameters. </span> </span> </p> <p> </p> <p class="MsoNormal" style="margin-bottom:.0001pt;text-align:justify;line-height:normal;"> <span style="font-size:14px;"> </span> <span style="font-size:14px;"> </span> <span style="font-size:14px;"> </span> <span style="font-size:14px;"> </span> <span style="font-size:14px;"> </span> <span style="font-size:14px;"> </span> <span style="font-size:14px;"> </span> <span style="font-size:14px;"> </span> <span style="font-size:14px;"> </span> <span style="font-size:14px;"> </span> <span style="font-size:14px;"> </span> <span style="font-size:14px;"> </span> <span style="font-size:14px;"> </span> <span style="font-size:14px;"> </span> <span style="font-size:10pt;line-height:115%;font-family:’Times New Roman’;"> <span style="font-size:14px;">According to the result
of the research; when the salt concentrations increase, the germination and growth
parameters of </span> <i> <span style="font-size:14px;">echinacea </span> </i> <span style="font-size:14px;"> seeds were
inhibited. It was conducted determined that increasing doses of gibberellic
acid pre-treatments had significant and positive effects on the germination and
growth parameters of </span> <i> <span style="font-size:14px;">echinacea </span> </i> <span style="font-size:14px;"> seeds
under salt stress conditions. In physiological enhancement of echinacea seeds,
the best results were obtained from the 300 ppm </span> </span> <span style="font-size:10pt;line-height:115%;font-family:’Times New Roman’;"> <span style="font-size:14px;"> GA </span> <sub> <span style="font-size:14px;">3 </span> </sub> </span> <span style="font-size:14px;line-height:115%;font-family:’Times New Roman’;">+0 mM (control) salt combination.  </span> <br /> </p> <p> </p>}, number={2}, publisher={Gültekin ÖZDEMİR}