TY - JOUR T1 - Ultrastructure and biochemical traits of bread and durum wheat grains under heat stress JO - Brazilian Journal of Plant Physiology A1 - Dias, Ana S. A1 - Bagulho, Ana S. A1 - Lidon, Fernando C. SN - 1677-0420 UL - 10.1590/S1677-04202008000400008 VL - 20 Y1 - 2008 PB - Brasil ER -