Table 3.
Maize populations in Mangae, Morogoro, surveyed by SNP analysis
| Seed lot name | Source | Characteristic/color | Number of plants (in final analysis) | Number of polymorphic loci | H O | H E |
|---|---|---|---|---|---|---|
| Staha breeder’s seed |
ARI Ilonga |
White Flint-Dent |
8(8) |
95 |
0.298 |
0.371 |
| Staha basic seed* |
ASA seed farm |
White Flint-Dent |
8(8) |
79 |
0.314 |
0.344 |
| Staha commercial |
Seed shop |
White Flint-Dent |
8(7) |
100 |
0.309 |
0.383 |
| Staha local 1 |
Farmer in Mangae |
White Flint-Dent |
8(7) |
99 |
0.298 |
0.343 |
| Staha local 2 |
Farmer in Mangae |
White Flint-Dent |
8(7) |
80 |
0.365 |
0.373 |
| Staha recycled |
Farmer in Mangae |
White-Purple |
8(8) |
77 |
0.436 |
0.396 |
| TMV1 breeder’s seed |
ARI Ilonga |
White Flint |
8(7) |
88 |
0.307 |
0.377 |
| TMV1 basic seed |
ASA seed farm |
White Flint |
8(5) |
74 |
0.401 |
0.402 |
| TMV1 commercial |
Seed shop |
White Flint |
8(3) |
66 |
0.318 |
0.489 |
| TMV1 local |
Farmer in Mangae |
White Flint |
8(8) |
77 |
0.339 |
0.378 |
| Local variety 1 |
Farmer in Mangae |
Red |
8(6) |
88 |
0.344 |
0.371 |
| Local variety 2 | Farmer in Mangae | Brown-White | 8(6) | 47 | 0.317 | 0.411 |
Observed heterozygosity (HO) and expected heterozygosity (gene diversity) (HE) calculated according to Nei (1987) [34].
*The term “Basic” used by the Organization for Economic Cooperation (OECD) is here used instead of the term “Foundation” seeds from the Association of Official Seed Certifying Agency (AOSCA), but the terms are used interchangeably in Tanzania.