Table 7 Effects of different treatments on the endogenous hormones of root bleeding sap of maize during 2021–2022.

From: Tillage management practices in combination of plant growth regulators to improve root growth, lodging characteristics and maize productivity under semi-arid regions

Treatments

IAA

GA

CTK

GA/IAA

CTK/IAA

CTK/GA

2021

 ED

309.9c

260.1c

416.2d

0.84a

1.34a

1.60b

 ER

298.1d

218.6d

367.8e

0.73b

1.23a

1.68b

 EB

286.2d

155.0f.

390.2e

0.54d

1.36a

2.52a

 YD

537.4a

263.4c

540.0b

0.49d

1.00a

2.05a

 YR

509.3b

190.3e

507.3c

0.37e

1.00a

2.67a

 YB

300.6c

180.2e

355.4f.

0.60c

1.18a

1.97b

 EYD

552.0a

301.6a

585.5a

0.55d

1.06a

1.94b

 EYR

533.2a

284.9b

509.3c

0.53d

0.96b

1.79b

 EYB

315.2c

280.9b

392.0e

0.89a

1.24a

1.40b

 CK

292.1d

129.5 g

319.3 g

0.44e

1.09a

2.47a

Analysis of variance

 GR

*

**

*

*

**

*

 IM

ns

*

*

ns

ns

**

 GR x IM

*

*

ns

*

ns

ns

2022

 ED

378.6d

247.7c

366.9e

0.65a

0.97b

1.48b

 ER

362.3e

215.0d

348.5e

0.59a

0.96b

1.62b

 EB

345.9f.

158.6f.

330.0f.

0.46c

0.95b

2.08a

 YD

609.2b

323.0b

558.9b

0.53b

0.92b

1.73b

 YR

567.5c

226.1d

524.3c

0.40c

0.92b

2.32a

 YB

325.0 g

204.5d

402.3d

0.63a

1.24a

1.97b

 EYD

656.0a

341.2a

605.2a

0.52b

0.92b

1.77b

 EYR

613.3b

298.4c

527.2c

0.49c

0.86c

1.77b

 EYB

395.4d

173.8e

428.2d

0.44c

1.08a

2.46a

 CK

300.0 h

146.3 g

284.2 g

0.49c

0.95b

1.94b

Analysis of variance

 GR

*

*

*

**

*

*

 IM

ns

**

*

ns

*

*

 GR x IM

ns

ns

*

ns

ns

ns

  1. Followed by different small letters within a column indicate significantly different at the 5% probability level (LSD; n = 3). **Significant differences at p < 0.01; *Significant differences at p < 0.05; ns indicates non- significant difference.
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