Table 2. Primer sequences used for Q-PCR.

Gene	Forward sequence	Reverse sequence	GenBank accession
Elongation factor 1-α (EF1-α)	5′-GCACCAGTGCTCGATTGC-3′	5′-TCGCCTGTCAATCTTGGTAACAA-3′	XM_003618727
Auxin transporter-like protein (AUX1)	5′-GACTACATACACTGCTTGGT-3′	5′-AGTGGCAGAAGGAATCGTTA-3′	XM_003623180
Auxin efflux carrier components 2 (PIN2)	5′-GATGCTGGTCTTGGAATGGC-3′	5′-ATTGCTATTGAGGTTGCCGC-3′	XM_003609978
Auxin efflux carrier components 1 (PIN1)	5′-GCTTCACCTGTCTCTGATGTG-3′	5′-CCACCTTTCTCACCTCCTTC-3′	XM_003619781