Table 2 Correlation analysis between genes expression and lignin content

LAC1

0.231

−0.236

LAC2–1

0.045

−0.366

LAC2–2

−0.080

0.141

LAC2–3

−0.470

−0.229

LAC4–1

−0.115

−0.083

LAC4–2

−0.624^a

−0.321

LAC4–3

−0.036

−0.158

LAC4–4

0.024

0.064

LAC4–5

−0.595

−0.334

LAC6

−0.662^a

−0.406

LAC7–1

0.647^a

0.323

LAC7–2

0.687^a

0.349

LAC9–1

−0.204

−0.008

LAC9–2

−0.646^a

−0.372

LAC9–3

−0.471

−0.227

LAC9–4

−0.390

−0.229

LAC11–1

−0.282

−0.117

LAC11–2

−0.572

−0.362

LAC12–1

0.303

0.633^a

LAC12–2

−0.077

−0.122

LAC13

−0.282

−0.034

LAC14–1

−0.389

−0.068

LAC14–2

0.715^a

0.564

LAC14–3

−0.381

−0.267

LAC14–4

−0.102

0.139

LAC14–5

0.251

−0.092

LAC14–6

−0.660^a

−0.397

LAC14–7

−0.491

−0.243

LAC14–8

−0.136

0.235

LAC15–1

−0.082

0.214

LAC15–2

−0.221

−0.199

LAC15–3

−0.450

−0.328

LAC16

0.078

−0.011

LAC17–1

−0.579

−0.344

LAC17–2

−0.021

0.021

LAC17–3

−0.033

0.276

LAC17–4

0.172

0.544