Fig. 1

Leaf tip necrosis and agronomic traits of ltn-212. a Phenotype of WT and ltn-212 at heading stage (scale bar = 10 cm). b Leaf tip necrosis identification of WT and ltn-212 at heading stage (scale bar = 5 cm). c Enlarge of red part of Fig. b. d-e The phenotype of grain width and grain length (scale bar = 10 mm). f Comparison of panicles and culm length of WT and ltn-212 (scale bar = 5 cm).** indicates significance at P ≤ 0.01 and * indicates significance at P ≤ 0.05 (Student’s t test). F: The first top leaf. S: The second top leaf. T: The third top leaf