Table 1.

Primers used to quantify the expression of the ABA metabolic genes and the reference genes.

Gene (Accession number)	Forward primer(5′–3′)	Reverse primer(5′–3′)
PpNCED1(ppa002804m)	GACTTCGCTATCACAGAACGGTATG	CAGAGATGGAAGCAGAAGCAATCG
PpNCED2(ppa002314m)	GAAACCCAGAGACTCGTCCAAGA	AGCAGCCTGTCGTTGTGATAGA
PpCYP707A1(ppa005059m)	ACAGACCAACAGATTGCTGACAAC	CCTTCATCATCACCCTCCTCTTCTT
PpCYP707A2(ppa005020m)	TCGGCAACAATAGGGACTTTGAAATG	CCATCACTCTTCCTTCTCTTCGCTAT
PpCYP707A3(ppa005226m)	TCACCAAGGAGACTACCACAATAGC	CAAGGAAGCCAACATCAAAGGAGAAC
PpZEP(ppa002248m)	ACGAGGGCTTCCAGTTACAAGA	TGACCATATACCATCCGCTCCAA
PpSDR1(ppa009814m)	TGGCATTGGTGACTGGTGGA	GCACGGCTGACATCATCCTCTA
PpAA01(ppa000263m)	AGTTCTTGCGTACTCAGACTCGTT	ACTTCGTCAACAACAGGGTCATAC
β-actin(ppa002399m)	GTTATTCTTCATCGGCGTCTTCG	CTTCACCATTCCAGTTCCATTGTC