Abstract
AbstractLight scattering relaxation spectrophotometry has proven to be a useful technique to monitor rapid cytophysical changes in chloroplast suspensions brought about by flash illumination. This paper compares the Mg‐ATP dependent light scattering behaviour of cholorplasts isolated from control and triazole‐treated wheat seedlings. Our results suggest that triazole‐treatment enhances Mg‐ATP dependent activity. This same enhancement in control chloroplasts can be brought about by introducing potassium ion in the presence of valinomycin. Therefore, the potassium ion might account for part of the stress resistance conferred by triazole treatment.
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