Effects of NaCl stress on seed germination attributes of periwinkle (Catharanthus roseus L.) and corn poppy (Papaver rhoeas L.) plants
H. Saeb
Department of Horticultural Science, College of Agriculture, Birjand University, Birjand, Iran (Iran, Islamic Republic of)
M. Khayyat
Department of Horticultural Science, College of Agriculture, Birjand University, Birjand, Iran (Iran, Islamic Republic of)
A. Zarezadeh
Department of Horticultural Science, College of Agriculture, Birjand University, Birjand, Iran (Iran, Islamic Republic of)
F. Moradinezhad
Department of Horticultural Science, College of Agriculture, Birjand University, Birjand, Iran (Iran, Islamic Republic of)
A. Samadzadeh
Department of Agronomy and Plant Breeding, College of Agriculture, Birjand University, Birjand, Iran (Iran, Islamic Republic of)
M. Safaee
Department of Agronomy and Plant Breeding, College of Agriculture, Birjand University, Birjand, Iran (Iran, Islamic Republic of)
Abstract
The present research was conducted to evaluate the effects of salinized water with NaCl on seed germina- tion of Periwinkle and Corn Poppy. Treatments were: A) H2O- distilled water (control); B) sodium chloride solutions (5, 10, 20, 40 and 80 mM). Application of the highest NaCl concentration (80mM) significantly reduced germination percentage and mean germination time of both species, although increased the day of 50% germination. Increment of salinity concentration was led to the reduction of radicle length in Periwinkle. The seedling fresh weight and water content and radicle length of Corn Poppy were decreased in both levels of 20 and 80 mM, and seedling dry weight was unaffected by treatments. It is concluded that both species are tolerant to NaCl salinity up to 80 mM during germination stage.
Keywords:
corn poppy, germination percentage, periwinkle, radicle length, salinityReferences
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Authors
H. SaebDepartment of Horticultural Science, College of Agriculture, Birjand University, Birjand, Iran Iran, Islamic Republic of
Authors
M. KhayyatDepartment of Horticultural Science, College of Agriculture, Birjand University, Birjand, Iran Iran, Islamic Republic of
Authors
A. ZarezadehDepartment of Horticultural Science, College of Agriculture, Birjand University, Birjand, Iran Iran, Islamic Republic of
Authors
F. MoradinezhadDepartment of Horticultural Science, College of Agriculture, Birjand University, Birjand, Iran Iran, Islamic Republic of
Authors
A. SamadzadehDepartment of Agronomy and Plant Breeding, College of Agriculture, Birjand University, Birjand, Iran Iran, Islamic Republic of
Authors
M. SafaeeDepartment of Agronomy and Plant Breeding, College of Agriculture, Birjand University, Birjand, Iran Iran, Islamic Republic of
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