TY - SER AU - Farias,M.E. AU - Martinazzo,E.G. AU - Bacarin,M.A. TI - Chlorophyll fluorescence in the evaluation of photosynthetic electron transport chain inhibitors in the pea KW - ERVILHA KW - PISUM SATIVUM KW - FOTOMETRIA KW - ATRAZINA KW - HERBICIDA ER -