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. 2021 Jan 9;21:34. doi: 10.1186/s12870-020-02806-5

Fig. 4.

Fig. 4

Heat map of NAPs involved in stress factors. The NAPs grouped into stress were visualized using MapMan software. Each square and color indicated the fold change of a NAP in hybrids when compared with the parents. Blue and red indicate a decrease and increase, respectively, in fold change compared with the parents, and gray indicates unidentified. MAPK, mitogen-activated protein kinase; PR, pathogenesis-related