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Table 3 Effect of Pro-Ca and photoperiod on the expression of putative GA biosynthesis, signalling and target genes in strawberry.

From: Gibberellin mediates daylength-controlled differentiation of vegetative meristems in strawberry (Fragaria × ananassaDuch)

 

Fold change

 

P2 vs. C2

P4 vs. C4

SD6 vs. LD6

SD10 vs. LD10

GA1 conc.

-68%

-76%

+26%

-58%

 

GA biosynthetic genes

GA3ox

1.744

2.099

0.933

0.476

GA2ox

0.236

0.170

0.601

0.140

 

GA signalling genes

GID1b

2.379

3.158

2.953

2.038

GID1c

1.107

1.140

1.400

0.556

GAI

0.544

0.490

0.799

0.568

RGA

0.669

0.651

1.093

0.611

SLY

1.591

2.216

1.769

1.677

SPY

0.770

0.753

1.270

0.852

 

GA target genes

GAST

1.238

2.039

1.771

4.206

XERICO

1.649

4.480

3.055

1.568

  1. Fold-change values of Pro-Ca-treated vs. water-treated (control) runner tips at 2 (P2/C2) and 4 days (P4/C4) after treatment, and SD- vs. LD-grown axillary buds before (SD/LD6) and after (SD/LD10) the determination of bud fate are shown. UBI14 or UBI14 + Rubisco small subunit 1a were used as control genes in bud samples and runner tip samples, respectively. Values are means of two biological and three technical replicates.