Table 2 Biological and germination traits of seed according to intrinsic and extrinsic factors.

Stage of maturity

Middle maturity

0.33 ± 0.04^a

7.55 ± 0.72^a

5.50 ± 1.91^a

6.50 ± 1.00a

34 ± 5.16b

15.00 ± 6.53b

Mature

0.33 ± 0.04^a

6.93 ± 0.33^a

5.00 ± 1.63a

6.00 ± 1.15a

73 ± 15.45a

35.00 ± 14.14a

P-value

0.89

0.171

0.705

0.4945

0.0033

0.0424

Province provenance

Passoré

0.27 ± 0.02^b

7.24 ± 1.27^ab

4.00 ± 1.15^a

6.00 ± 1.15^a

67 ± 6.00^a

28.75 ± 14.36^a

Boulkiemdé

0.39 ± 0.02a

6.20 ± 0.22^a

6.00 ± 1.15^a

8.00 ± 1.15^a

68 ± 14.24^a

31.25 ± 8.96^a

Sissili

0.37 ± 0.04^a

6.38 ± 0.44^a

5.00 ± 1.63^a

6.00 ± 1.15^a

73 ± 5.79^a

37.08 ± 9.56^a

Tuy

0.33 ± 0.02^ab

8.63 ± 0.71^b

4.00 ± 1.15^a

6.00 ± 1.15^a

56 ± 3.27^a

17.50 ± 7.76^a

P-value

< 0.001

0.0028

0.2898

0.1225

0.1659

0.113

Climate zone effect

Sudano-Sahelian zone

0.33 ± 0.07

6.72 ± 1.01

5 ± 1.51

7 ± 1.51

67.5 ± 10.13

30 ± 11.16

Sudanian zone

0.35 ± 0.04

7.51 ± 1.32

5 ± 1.51

6 ± 1.07

64.5 ± 13.76

27.29 ± 13.21

P-value

0.491

0.204

1

0.149

0.4226

0.665

Type of fruit

2-seeds

0.28 ± 0.03^a

7.10 ± 1.53^a

4.50 ± 1.91^a

6.00 ± 2.00^a

90 ± 9.52^a

52.92 ± 21.82^a

3-seeds

0.35 ± 0.03^b

7.39 ± 0.64^a

5.00 ± 1.63^a

6.50 ± 1.00^a

75 ± 6.83^ab

38.75 ± 22.13^a

4-seeds

0.33 ± 0.05^ab

7.20 ± 1.44^a

6.00 ± 1.15^a

8.25 ± 2.99^a

80 ± 4.62^ab

26.67 ± 7.93^a

5-seeds

0.45 ± 0.02^c

7.59 ± 0.48^a

4.50 ± 1.00^a

5.50 ± 1.00^a

61 ± 14.38^b

35.00 ± 9.53^a

P-value

< 0.001

0.93

0.923

0.2976

0.0078

0,122