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. 2017 Jan 17;7:1953. doi: 10.3389/fpls.2016.01953

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Copyright © 2017 Chen, Pan, Fu, Tao, Martínez-Herrera, Niu, Ni, Dong, Zhao and Xu.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Application of GA₃ promotes perianth development in male flowers and prevents pistil development in female flowers in gynoecious inflorescences. (A) Gynoecious inflorescence without treatment. Red arrows indicate female flowers and blue arrows indicate aborted male flowers. (B) Gynoecious inflorescence with GA₃ treatment. Red arrows indicate neutral flowers originated from female floral meristem, and blue arrows indicate neutral flowers originated from male floral meristem. (C) Female flower as shown and indicated with red arrows in (A). (D) Neutral flower originated from floral meristem generating female flowers after GA₃ treatment as shown and indicated with red arrows in (B). (E) Neutral flower originated from floral meristem generating male flowers after GA₃ treatment as shown and indicated with blue arrows in (B). Bar, 1.0 cm.