Fig. 1
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12870-018-1308-3/MediaObjects/12870_2018_1308_Fig1_HTML.png)
Frequency distribution of δ13C (%) for of progeny (HC × QG) under well-watered and drought-stress conditions in 2014 and 2015. Phenotypic values of parents are indicated by arrows
Frequency distribution of δ13C (%) for of progeny (HC × QG) under well-watered and drought-stress conditions in 2014 and 2015. Phenotypic values of parents are indicated by arrows