Fig. 5From: Lodging Resistance of Japonica Rice (Oryza Sativa L.): Morphological and Anatomical Traits due to top-Dressing Nitrogen Application RatesLarge vascular bundle lignifications of the N4 internodes culm in two japonica rice cultivars under different nitrogen rates. a and b a transverse section at the second internode of the Wuyunjing23 cultivar under LN and HN conditions, respectively; c and d a transverse section at the second internode of the W3668 cultivar under LN and HN conditions, respectively Ph, Phloem; VBS, Vascular Bundle Sheath; X, Xylem; PT, Parenchyma Tissue, bar = 50 μmBack to article page