Ethnobotanical study of cowpea (Vigna unguiculata (L.) Walp.) in Senegal

Table 10 Cropping calendar and cycle of accessions in each region

Features	Conditions	Regions							Total	%	Chi-Square
Features	Conditions	Th	Lg	Dl	Fk	Sd	Kg	SL	Total	%	Value	df	p-Value
Sowing date	June–July	83	34	103	81	63	11	0	375	53.42	455.5^a	12	< 0.001
	Aug–Sept	1	121	55	4	16	8	94	299	42.60
	Nov–Jan	0	0	0	0	0	0	28	28	3.99
Total		84	155	158	85	79	19	122	702	100.00
Harvest date	Sept–Oct	84	155	158	84	79	10	86	656	93.44	302.6^a	18	< 0.001
	Nov	0	0	0	0	0	8	8	16	2.28
	Feb–March	0	0	0	0	0	1	28	29	4.13
	DNR	0	0	0	1	0	0	0	1	0.14
Total		84	155	158	85	79	19	122	702	100.00
Cycle	< 70	45	133	148	81	79	3	82	571	81.34	251.955^a	18	< 0.001
	70–90	0	16	7	2	0	1	1	27	3.84
	≥ 90	39	6	3	1	0	15	39	103	14.67
	DNR	0	0	0	1	0	0	0	1	0.14
Total		84	155	158	85	79	19	122	702	100.00

The p. value of the chi² test for the sowing dates, harvest dates and length of cycle is below 0.001. The hypothesis of the independence between these variables and the regions has been rejected as a result. Th Thiès; Lg Louga; Dl Diourbel; Fk Fatick; Sd Sédhiou; Kg Kédougou; SL Saint-Louis; MS sowing date; MR harvest date; June-July June and July; Aug-Sept August and September; Nov-Jan November to January; Sept-Oct September and October; Feb-March February and March

ISSN: 1746-4269