Table 5.
F-test and means test for stem diameter (SD, mm) and the number of leaves (NL) of traditional varieties of cowpea subjected to salinity levels of irrigation water.
| F-Test (p-Value) | ||
|---|---|---|
| Sources of Variation | SD | NL |
| Block | 0.871 | 0.035 |
| Salinity | 0.000 | 0.000 |
| Varieties | 0.000 | 0.000 |
| Salinity × Varieties | 0.159 | 0.329 |
| Means comparison test (Standard Deviation, n = 10) | ||
| Varieties | SD | NL |
| V1—Boquinha | 10.1 ± 1.04 a | 15.5 ± 3.36 c |
| V2—Ceará | 9.6 ± 0.65 a | 22.8 ± 3.77 a |
| V3—Costela de Vaca | 7.9 ± 1.01 b | 14.0 ± 3.19 c |
| V4—Lisão | 8.2 ± 0.61 b | 17.7 ± 3.45 b |
| V5—Canário | 8.1 ± 0.41 b | 16.9 ± 3.26 b |
| V6—Pingo de Ouro | 8.1 ± 0.32 b | 13.6 ± 2.35 c |
| V7—Roxão | 7.9 ± 0.29 b | 14.7 ± 2.11 c |
| V8—Feijão Branco | 7.6 ± 0.54 b | 11.4 ± 3.19 c |
| V9—Canapu Branco | 8.0 ± 0.41 b | 12.9 ± 2.10 c |
| V10—Canapu Miúdo | 9.1 ± 0.58 a | 16.7 ± 3.21 b |
| V11—Ovo de Peru | 9.2 ± 0.44 a | 18.9 ± 4.21 b |
| V12—Baeta | 7.9 ± 0.29 b | 11.4 ± 1.88 c |
| V13—Coruja | 7.9 ± 0.46 b | 17.7 ± 2.81 b |
| V14—Paulistinha | 7.7 ± 0.57 b | 13.5 ± 2.80 c |
| V15—Sempre Verde | 8.1 ± 0.43 b | 16.1 ± 3.86 b |
| Means comparison test (Standard Deviation, n = 75) | ||
| Salinity | SD (mm) | NL |
| 0.5 dS m−1 | 9.0 ± 0.15 A | 20.8 ± 0.74 A |
| 4.5 dS m−1 | 7.7 ± 0.14 B | 10.4 ± 0.34 B |
Equal uppercase letters in the rows and lowercase letters in the column do not differ by Student’s t-test and Scott–Knott test at 5% probability level, respectively.