Abstract

We used petiole/leaf cuttings from potato (Solanum tuberosum L) to study the effect of plant hormones on expression of the vegetative MADS-box gene,POTM1-1. Transcript levels were constitutive after treatments with exogenous ABA, GA3, methyl jasmonate (Meja), and NAA. However, transcripts amounts were reduced when tissues were treated with BA. High levels of cytokinin disrupted apical dominance and promoted axillary-bud formation. Therefore, based on these results, thePOTM1-1 gene may conceivably be involved in maintaining the proper development of vegetative axillary meristems.

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