Effect of calcium on the salinity tolerance of Wimmera ryegrass (Lolium rigidum Gaud., cv. Wimmera) during germination |
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| Authors: | N E Marcar |
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| Institution: | (1) School of Agriculture, La Trobe University, 3083 Bundoora, Victoria, Australia;(2) Present address: Waite Agricultural Research Institute, The University of Adelaide, 5064 Glen Osmond, South Australia, Australia |
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| Abstract: | Summary The modifying effect of calcium (Ca) on the salinity tolerance of Wimmera ryegrass during germination and early seedling growth
was studied. Pretreatment of seeds with Ca has no significant effect on germination under NaCl or MgCl2 salinity. The addition of Ca to the germination medium increased the germination percentage significantly, especially with
MgCl2. Significant increases in seedling shoot and root growth also occurred with Ca addition to the growth medium under MgCl2 salinity. |
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| Keywords: | Calcium Germination Lolium rigidum Magnesium chloride Salinity Sodium chloride Wimmera ryegrass |
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