Seyed Mohammad Hosseini NASR, Aidin PARSAKHOO, Saeideh SKANDARI, Hasan Jahanbazy GOJANI, Sekineh Kiani Savad KOOHI

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Investigation of Salinity Tolerance in Dodonaea viscosa L.

Investigation of Salinity Tolerance in Dodonaea viscosa L.

Dodonaea viscosa Linn is an important medicinal plant that is sensitive to saline soil. In order to well understand the salinity effects on germination and seedling growth of this species, we selected n ine different salinity treatments including CacL, NaHPo and KNo + KHPoeach one 100 mM, 200 mM and 300 mM. Seeds of D. viscosa, before the germination in controlled growth chamber, were treated with boiling water and HSO. Biomass and germination parameters were measured after 56 days. Results showed that the dry weight of seedling was inhibited by high concentrations of NaHPo. The dry and fresh weight of root at level of 100mM KNo+KHPo was higher than that of other treatments. Stem length increased at level of 100mM KNo+KHPo. The fresh weight of seedling severely increased at level of 100 mM KNo+KHPo. The seedlings succulence was enhanced to 87 % at level of 100 mM KNo+KHPo. Faster germination was recorded in 100 mM KNo+KHPo. Final germination, germination index and seed stamina were higher than that of other treatments at level of 100 mM KNo+KHPo. Overall, biomass and germination parameters of D. viscosa in unsalinized control were signifi cantly more than that of other salinity treatments except for total dry weight
Keywords:

D odonaea viscosa Linn . Salinity level . Germination . Seedling biomass,

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Journal of Applied Biological Sciences-Cover
  • ISSN: 1307-1130
  • Yayın Aralığı: 6
  • Başlangıç: 2007
  • Yayıncı: Nobel Bilim ve Araştırma Merkezi
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