Transpiration Rate Reduction in Plants with Atrazine

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Science  20 Apr 1962:
Vol. 136, Issue 3512, pp. 263-264
DOI: 10.1126/science.136.3512.263


When treated with atrazine, a herbicide that acts as an inhibitor of photosynthesis, both tolerant and susceptible plants showed a reduction in transpiration rate. This occurred within 1 to 3 hours of application and usually reduced transpiration by 50 percent or more after about 6 hours.