Fig. 1
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12284-022-00571-7/MediaObjects/12284_2022_571_Fig1_HTML.png)
Chromosome substitution segments of Z414. Physical distances (Mb) and mapped QTL are indicated on the left; markers and substitution segment lengths are shown on the right. The black sections on each chromosome are substitution segments. PL, panicle length; GW, grain width; GL, grain length; RLW, ratio of length to width; GWT, 1000-grain weight; BRR, brown rice rate