Adaptability of Genetically Engineered Bt Cotton Varieties in Different Growing Regions of Ethiopia
Table 2
Mean seed cotton yield (t·ha−1) and ginning percentage of Bt cotton and local improved genotypes at different cotton growing areas in Ethiopia.
Variety
Locations
Irrigated
Rain-fed
Irrigated
Asayita
Blen
Gewane
Humera
Kamashi
Omorate
Werer
A (t·ha−1)
B (%)
A (t·ha−1)
B (%)
A (t·ha−1)
B (%)
A (t·ha−1)
B (%)
A (t·ha−1)
B (%)
A (t·ha−1)
B (%)
A (t·ha−1)
B (%)
Sudan
4.5a
35.4ba
2.1b
41.8a
3.4b
40.1a
0.8b
36.7a
1.2c
40.4ba
2.7ba
40.2b
2.5c
37.9ba
JKCH 1947
4.2a
36.0a
3.5a
42.4a
4.8a
38.0ba
0.9b
36.9a
1.8a
41.4ba
3.3a
42.8a
2.9bc
38.1ba
JKCH 1050
4.0a
35.2ba
3.4a
41.1ba
4.7a
38.6ba
1.2a
36.0a
1.8a
41.6a
3.0ba
42.3a
3.3ba
39.9a
Weyito 07
4.4a
31.1d
2.1b
35.6d
0.3c
36.7ba
1.0ba
33.5b
1.7ba
37.6c
3.0ba
35.2d
3.8a
33.8d
Stam-59A
4.4a
33.2c
1.8b
38.9bc
0.4c
36.2b
0.9ba
33.8b
1.4bc
40.8ba
2.5ba
36.7c
3.5ba
36.0bc
DP-90
4.7a
34.2bc
2.5b
38.4c
1.0c
35.2b
1.1ba
36.7a
1.4bc
39.6b
2.3b
37.9c
3.2bac
35.5dc
Mean
4.4
34.2
2.6
39.7
2.4
37.5
1.0
35.6
1.5
40.2
2.8
39.2
3.2
36.9
CV
17
2
17.5
3.26
22.3
5.2
15.9
3.11
12.5
2.6
17.3
1.9
13.4
3.3
Significance
NS
NS
NS
NS
LSD
1.24
0.82
2.35
0.98
2.02
0.35
1.88
1.4
0.78
2.18
Significant at < 0.05; highly significant at < 0.01; very highly significant at < 0.001. NS = non-significant; A = seed cotton yield; B = ginning percentage (%). Means that do not share the same letter are significantly different at 5% level.
