Influence of Paraquat and 2,4,5-T on the Leaf Chlorophyll Content of Six Shrub Species

The effect of foliar application of two herbicides, paraquat at 100 mg 11 or 2,4,5-T at 2000 mg l1 on the levels of total chlorophyll, chlorophyll a, chlorophyll b and the chlorophyll a/b ratio in leaves of six shrub species was tested. Paraquat or 2,4,5-T treatment decreased the levels of total chlorophyll, chlorophyll a and chlorophyll b in leaves of five out of six species tested. The reduced levels of chlorophyll a and b were also associated...