The Effect of Sodium and Chloride Salts on the Germination of Gigaspora margarita

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Abstract
At various Na+ and Cl- concentrations, germination rates of azygospores of G. margarita were reduced more in the presence of Cl- than Na+. Viable spores, which had not germinated after 12 days in either 1.71 .times. 10-1 molar Na+ or Cl-, were transferred to 0.01% glucose for 17 more days. The recovery of germinability by these spores was more rapid if the spores were previously exposed to Na+ rather than exposed to Cl-. Because of possible interactions between ion species in the different salt solutions used in this study, a specific ion effect cannot be conclusively demonstrated.

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