Final version of Tropical Legumes II Project Report for Phase 1 - icrisat

Table 11-9: Communities and famers involved in farmer-managed soybean trials in Zambezia Province,
Mozambique - 2009/10 growing season
Community Men Women Total
Lioma 1 2 3
Maggige 3 2 5
Napalame 3 3 6
Ruace 30 23 53
Tetete 2 5 7
Total 39 35 74
Table 11-10: Mean grain yield of soybean genotypes grown in farmer-managed PVS trials across several
communities in Zambezia Province, Mozambique - 2009/10 growing season
Genotype Location Yields (kg per ha)
Ruace Tetete Magige Lioma Napalame
TGx 1740-2F 3245ab 2575a 2822a 3242a 2482a
TGx 1908-8F 3114ab 2352b 2877a 2904a 2406a
TGx 1904-6F 3749a 2624a 2940a 3041a 2494a
TGx 1937-1F 2760b 2353b 2775a 2916a 2417a
TGx 1485-1D 2745b 2166c 2766a 2817a 2434a
Local
checks
Storm 2539bc 1418d 2313b 1992b 1232b
Santa Rosa 1532cd 930e - 1617b 824b
Safari 1366cd - - - -
Santa 718d 936e 1045c - 848b
Means, within a column, followed by the same letter are not significantly different at 5% probability level
In Nigeria, the first year (2008) on-farm trial involved TGx 1835-10E (a rust resistant breeding line in previous
work), and TGx 1485-1D (rust-susceptible released cultivar) at 13 sites in eight states encompassing three
agro-ecological zones. The states were (with site names in parenthesis) Benue (Yandev and Makurdi),
Kaduna (Zonkwa and Samaru-Kataff), Kogi (Aiyetoro and Isanlu), Kwara (Eyenkorin), Nassarawa (Keffi
and Lafia), Osun (Ilesha), Oyo (Onilaru and Oniyo), and Taraba (Jalingo). TGx 1835-10E was found to
be resistant to rust at all locations whereas the long time released variety TGx 1485-1D had nearly 24%
damaged leaf area at locations where rust was prevalent. Mean grain yield of TGx 1835-10E was 25%
more than TGx 1485-1D at locations where rust severity was high. Based on this trial, particularly for its
rust resistance, the Nigerian Plant Variety Release Committee in its meeting in December 2008 approved
the registration and release of TGx 1835-10E for general cultivation in the country.
In the 2010 PVS trials, a total of 175 farmers from four states (Kaduna, Benue, Kano and Niger) participated.
Sixty-five farmers participated from each of Kaduna and Kano states whilst 35 and 10 farmers participated
from Benue and Niger states, respectively (Table 11-11). Across all test genotypes, the highest on-farm yields
from the baby trials were obtained from Benue/Yandev (1700 kg per ha), Kaduna/Samaru Kataf (1642 kg per
ha), Kano (1629 kg per ha) and Niger/Mokwa (1626 kg per ha) (Table 11-12). At Maigana, another site in
Kaduna State, grain yields were relatively low (1221 kg per ha). Except for Maigana and Mokwa/Niger sites,
TGx 1987-10F gave the highest grain yield at Kano (1826 kg per ha), Kaduna/Samaru Kataf (1720 kg per
ha) and Benue/Yandev (1817 kg per ha). Across all states and farmers, TGx 1987-10F turned out to be the
top yielder (1626 kg per ha), followed by TGx 1835-10E (1619 kg per ha) and TGx 1448-2E (1594 kg per
ha). TGx 1987-62F and TGx 1987-10F gave the highest fodder yields across all states and farmers (Table 11-
13). In terms of rust incidence, the resistant lines (TGx 1987-10F, TGx 1987-62F and TGx 1835-10E) were
free from the disease. The disease, however, appeared on genotypes such as TGx 1485-1D, TGx 1448-2E
and NCRISoy8 with incidence percentages ranging from 1% - 9.4%. The high yielding genotypes were also
early maturing and took 75-83 days to mature across all states and farmers. TGx 1448-2E and NCRISoy8
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Engaging Smallholder Farmers | Tropical Legumes II Project