Title: Effect of chloropyrifos on photosynthesis, transpiration and stomatal conductance of yerba mate (Ilex paraguariensis A.St.-Hil.).
Abstract: The objective was to evaluate the effect of chlorpyrifos on stomatal
conductance, photosynthesis and transpiration on yerba mate (Ilex
paraguariensis A. St.-Hil.) plants. The experiment was conducted in a
chamber under controlled conditions. The plants (one/pot) were sprayed
with three doses (50, 100 and 150 ppm of chlorpyrifos) and a non
pesticide-sprayed control. Stomatal conductance, photosynthesis and
transpiration were evaluated at 1, 7 and 21 days after pesticide
application. The mentioned traits were not affected by the pesticide
application doses. However, significative differences were found as the
plants were growing and traits increased between 7 and 21 days in 300%
for stomatal conductance, 116% for photosynthesis and 285% for
transpiration.
Publication Year: 2009
Publication Date: 2009-01-01
Language: en
Type: article
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