Character Association

Correlation Coefficient (r)

Regression Coefficient (b)

Coefficient of Determination (r²)

1. Plant height vs. Tillers per plant

0.583^**

8.574

0.339

2. Plant height vs. Spike length

−0.044 NS

0.216

0.002

3. Plant height vs. Spikelet’s spike⁻¹

−0.648^**

1.707

0.42

4. Plant height vs. Grains spike

0.519^*

0.295

0.26

5. Plant height vs. Grain yield plant⁻¹

−0.775^**

−0.138

0.60

6. Plant height vs. Seed index

0.422 NS

1.158

0.17

7. Tillers per plant vs. Spike length

0.269 NS

0.099

0.07

8. Tillers per plant vs. Spikelet’s spike⁻¹

0.440^*

0.079

0.19

9. Tillers per plant vs. Grains spike

0.778^**

0.033

0.60

10. Tillers per plant vs. Grain yield plant

−0.332 NS

−0.004

0.11

11. Tillers per plant vs. Seed index

0.704^**

0.131

0.49

12. Spike length vs. Spikelet’s spike⁻¹

0.671^**

0.366

0.45

13. Spike length vs. Grains spike

0.695 NS

0.088

0.48

14. Spike length vs. Grain yield plant

−0.076 NS

−0.003

0.05

15. Spike length vs. Seed index

0.147 NS

0.082

0.02

16. Spikelet’s spike vs. Grains spike

0.697^**

0.155

0.48

17. Spikelet’s spike vs. Seed index

−0.490^*

−0.033

0.24

18. Spikelet’s spike vs. Grain yield plant

0.417 NS

0.434

0.17

19. Grain spike vs. Seed index

0.282 NS

−0.088

0.07

20. Grain spike vs. Grain yield plant

0.690^**

3.331

0.47

21. Seed index vs. Grain yield plant

0.099 NS

1.534

0.09