TY - JOUR T1 - Chlorophyll a fluorescence as indicative of the salt stress on Brassica napus L. JO - Brazilian Journal of Plant Physiology A1 - Bacarin, Marcos Antonio A1 - Deuner, Sidnei A1 - Silva, Fabio Sergio Paulino da A1 - Cassol, Daniela A1 - Silva, Diolina Moura SN - 1677-0420 UL - 10.1590/S1677-04202011000400001 VL - 23 Y1 - 2011 PB - Brasil ER -