Effect of the herbicide atrazine on the bean leaf lipids
1999
Ivanova, A. | Yordanov, I. (Bulgarian Academy of Sciences, Sofia (Bulgaria). Inst. of Plant Physiology) | Stefanov, K.
Eight-day-old bean plants, grown in a nutrient solution, were sprayed with 10E(-5), 10E(-4), 10E(-3), and 10E(-2) M atrazine. The lipid changes in primary and trifoliate leaves were studied 6 d after the herbicide application. The atrazine treatment inhibited the growth of the trifoliate leaves, and decreased photosynthetic and transpitation rates, the stomatal conductance, and the total lipid content. Atrazine treatment increased 16:0 and 18:3 acids and decreased trans-3-hexadecenoic and 18:2 acids in the phospholipids. The herbicide also increased 16:0 and 18:1 acids in glycolipids and decreased 18:3 acid in monogalactosyl diacylglycerols and digalactosyl diacyl-glycerols.
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