Erratum to: J Plant Growth Regul DOI 10.1007/s00344-017-9715-5

The original version of this article unfortunately contained a mistake in the structure of compound 8a and 8c in Fig. 2. The structure of 8a and 8c lacked an oxygen molecule in the amide and ester, respectively.

The corrected Fig. 2 was attached below.

Fig. 2
figure 2

Synthesis of bikinin analogues