TY - JOUR T1 - Comparative study of the floral biology and of the response of productivity to insect visitation in two rapeseed cultivars (Brassica napus L.) in Rio Grande do Sul JO - Brazilian Journal of Biology A1 - Blochtein, B A1 - Nunes-Silva, P A1 - Halinski, R A1 - Lopes, LA A1 - Witter, S SN - 1519-6984 UL - 10.1590/1519-6984.02213 VL - 74 Y1 - 2014 PB - Brasil ER -