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. 2022 Jul 18;11(14):1863. doi: 10.3390/plants11141863

Table 7.

F-test and means test for the number of pods per plant (NPP), the number of seeds per pod (NSPo), the number of seeds per plant (NSPl), and production per plant (PP, g) of traditional varieties of cowpea subjected to salinity levels of irrigation water.

F-Test (p-Value)
Sources of Variation NPP NSPo
Block 0.409 0.037
Salinity 0.000 0.222
Varieties 0.000 0.000
Salinity × Varieties 0.005 0.009
Means comparison test (Standard Deviation, n = 5)
Varieties NPP NSPo
0.5 dS m−1 4.5 dS m−1 0.5 dS m−1 4.5 dS m−1
V1—Boquinha 6.8 ± 0.97 Ab 2.8 ± 0.58 Ba 11.6 ± 1.15 Bb 15.3 ± 0.48 Aa
V2—Ceará 4.8 ± 0.37 Ac 2.6 ± 0.68 Ba 13.4 ± 1.20 Aa 15.0 ± 0.61 Aa
V3—Costela de Vaca 4.2 ± 0.86 Ad 3.0 ± 0.55 Aa 9.9 ± 1.74 Ab 9.3 ± 0.79 Ab
V4—Lisão 4.8 ± 0.58 Ac 2.2 ± 0.58 Ba 11.9 ± 0.58 Ab 13.6 ± 0.84 Aa
V5—Canário 6.0 ± 0.55 Ac 2.4 ± 0.24 Ba 14.3 ± 1.34 Aa 10.0 ± 0.57 Bb
V6—Pingo de Ouro 5.2 ± 0.73 Ac 2.4 ± 0.24 Ba 13.9 ± 1.32 Aa 14.1 ± 0.62 Aa
V7—Roxão 6.2 ± 0.80 Ac 2.2 ± 0.49 Ba 13.5 ± 0.92 Aa 10.5 ± 1.50 Bb
V8—Feijão Branco 9.2 ± 1.46 Aa 3.6 ± 0.24 Ba 10.5 ± 1.03 Ab 10.1 ± 0.76 Ab
V9—Canapu Branco 6.0 ± 1.26 Ac 3.0 ± 1.76 Ba 13.9 ± 1.42 Aa 14.0 ± 1.66 Aa
V10—Canapu Miúdo 6.6 ± 0.51 Ab 3.0 ± 0.71 Ba 14.7 ± 0.94 Aa 12.6 ± 0.54 Aa
V11—Ovo de Peru 2.8 ± 0.37 Ad 2.4 ± 0.24 Aa 11.6 ± 1.13 Ab 9.9 ± 0.76 Ab
V12—Baeta 8.6 ± 0.24 Aa 3.6 ± 0.40 Ba 13.3 ± 1.10 Aa 12.9 ± 0.95 Aa
V13—Coruja 8.0 ± 0.84 Aa 4.0 ± 0.71 Ba 15.1 ± 0.85 Aa 12.1 ± 0.91 Ba
V14—Paulistinha 9.0 ± 0.01 Aa 2.8 ± 0.37 Ba 14.1 ± 1.10 Aa 13.0 ± 1.11 Aa
V15—Sempre Verde 3.6 ± 1.03 Ad 2.0 ± 0.32 Aa 11.8 ± 0.58 Ab 13.9 ± 1.08 Aa
F-test (p-value)
Sources of Variation NSPl PP (g)
Block 0.273 0.351
Salinity 0.000 0.000
Varieties 0.000 0.000
Salinity x Varieties 0.000 0.003
Means comparison test (Standard Deviation, n = 5)
Varieties NSPl PP
0.5 dS m−1 4.5 dS m−1 0.5 dS m−1 4.5 dS m−1
V1—Boquinha 80.5 ± 14.41 Ab 42.3 ± 8.03 Ba 80.5 ± 0.90 Ab 42.3 ± 1.04 Ba
V2—Ceará 63.4 ± 5.90 Ac 38.5 ± 9.84 Aa 63.4 ± 0.97 Ac 38.5 ± 1.37 Aa
V3—Costela de Vaca 42.0 ± 13.61 Ac 26.8 ± 3.28 Aa 42.0 ± 2.17 Ac 26.8 ± 0.87 Aa
V4—Lisão 56.8 ± 6.65 Ac 28.3 ± 6.59 Ba 56.8 ± 2.09 Ac 28.3 ± 1.16 Ba
V5—Canário 83.7 ± 6.25 Ab 24.2 ± 3.07 Ba 83.7 ± 1.33 Ab 24.2 ± 0.54 Ba
V6—Pingo de Ouro 74.2 ± 15.67 Ab 33.6 ± 2.86 Ba 74.2 ± 1.50 Ab 33.6 ± 1.48 Ba
V7—Roxão 82.2 ± 9.74 Ab 23.9 ± 5.39 Ba 82.2 ± 1.20 Ab 23.9 ± 1.54 Ba
V8—Feijão Branco 91.4 ± 9.99 Ab 36.3 ± 3.36 Ba 91.4 ± 1.32 Ab 36.3 ± 0.22 Ba
V9—Canapu Branco 78.6 ± 14.86 Ab 36.3 ± 17.92 Ba 78.6 ± 1.86 Ab 36.3 ± 1.29 Ba
V10—Canapu Miúdo 96.8 ± 10.20 Ab 37.7 ± 8.78 Ba 96.8 ± 1.32 Ab 37.7 ± 1.17 Ba
V11—Ovo de Peru 30.8 ± 2.27 Ac 23.0 ± 0.95 Aa 30.8 ± 2.12 Ac 23.0 ± 0.34 Aa
V12—Baeta 113.8 ± 8.74 Aa 45.7 ± 3.88 Ba 113.8 ± 2.14 Aa 45.7 ± 0.55 Ba
V13—Coruja 121.0 ± 14.88 Aa 50.0 ± 11.61 Ba 121.0 ± 1.15 Aa 50.0 ± 1.67 Ba
V14—Paulistinha 126.6 ± 9.92 Aa 35.5 ± 3.99 Ba 126.6 ± 1.82 Aa 35.5 ± 0.88 Ba
V15—Sempre Verde 43.0 ± 12.79 Ac 28.0 ± 5.36 Aa 43.0 ± 2.46 Ac 28.0 ± 0.88 Aa

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.