Fig. 8From: Carbohydrate metabolism and fertility related genes high expression levels promote heterosis in autotetraploid rice harboring double neutral genesPredicted carbohydrate pathways in grains three days after flowering and related-gene variations in parents. a Starch pathway in grains of polyploid rice. The log2-transformed ratio between hybrid and parents was drawn by heatmap (F, F1 hybrid; T449, maternal line; H1, paternal line). b Sequence comparisons of OsSUS3, OsBEIIb and OsSSIIIa in T449 and H1Back to article page