Correction to: Horticulture Research (2016) 3, 16017; doi:10.1038/hortres.2016.17; Published online 04 May 2016

Since the publication of this article, the authors have noticed an error in Figure 6, the correct Figure 6 should be:

Figure 6
figure 1

 .

In addition, the author Xiuxin Deng should be removed from the author list.

The authors would like to apologize for this error.