Mating System among Provenances of Sclerocarya birrea (A. Rich.) Hochst.

Table 4

Sex ratio of female to male (F: M) in S. birrea provenances.

Provenance	Total number of healthy trees	Number of Female trees	Number of Male trees	Ratio; (Female to Male)
Marracuene	62	34	28	1: 1
Magunde	52	16	31	1: 2
Moamba	41	9	24	1: 3
Kalanga	23	4	10	1: 3
Magamba	47	14	12	1: 1
Tanzania bulked	33	10	13	1: 1
Missira	37	11	19	1: 2
Chikwawa	36	3	8	1: 3
Mangochi	40	3	5	1: 2
Ntcheu	42	1	8	1: 8
Rumphi	29	0	0	-
Oshikondilingo	18	1	5	1: 5
Ohangwena	27	2	7	1: 4
Kalimbeza	37	7	16	1: 2
Ngundu	29	12	13	1: 1
Mudzi	26	2	4	1: 2
Biriwiri	15	3	9	1: 3
Muzarabani	36	1	3	1: 3
Matebeleland N	18	1	5	1: 5
Matebeleland S	19	7	5	1: 1
Siavonga	33	2	15	1: 8
Choma	34	0	7	-
Mean	734	143	247	1:2

Note: all the provenances had the same species (S. birrea ssp. caffra);
Bulked provenances were as follows: Mkata (Kilosa), Ubena (Bagamoyo), and Chalinze (Bagamoyo)