Adaptability of Genetically Engineered Bt Cotton Varieties in Different Growing Regions of Ethiopia
Table 1
Performance of Bt cotton and local improved genotypes for boll number per plant (BOLPP) and boll weight (BOLWT) at seven irrigated and rain-fed locations in Ethiopia.
Variety
Irrigated
Rain-fed
Irrigated
Asayita
Blen
Gewane
Humera
Kamashi
Omorate
Werer
BOLPP
BOLWT (gm)
BOLPP
BOLWT (gm)
BOLPP
BOLWT (gm)
BOLPP
BOLWT (gm)
BOLPP
BOLWT (gm)
BOLPP
BOLWT (gm)
BOLPP
BOLWT (gm)
Sudan
22.5b
4.5ba
15.1bc
4.7bac
50.8a
4.6b
6.8c
4.1a
12.2ba
5.2b
14.3b
3.6ba
17.1b
4.3bc
JKCH 1947
48.4a
5.0a
27.8a
5.0a
56.2a
5.5a
17.7b
3.7a
15.2a
5.7ba
24.5a
4.0a
32.6a
5.0a
JKCH 1050
46.0a
4.9a
25.4a
5.2a
57.8a
5.0ba
21.1a
4.1a
15.0a
5.5ba
26.1a
3.9a
36.1a
5.2a
Weyito 07
27.2b
3.9b
21.0ba
3.6c
22.0b
3.2c
9.0c
3.9a
13.2ba
4.7c
13.4b
3.1b
20.7b
4.0c
Stam-59A
22.8b
4.7a
11.9c
3.8bc
22.3b
3.2c
6.5c
3.6a
11.4ba
5.2b
13.1b
3.7ba
19.7b
4.7ba
DP-90
22.8b
4.5ba
9.3c
4.9ba
31.3b
3.1c
7.1c
4.2a
10.5b
6.0a
17.6ba
3.4b
16.6b
4.8ba
Mean
31.6
4.6
18.4
4.5
40.0
4.1
11.3
3.9
12.9
5.4
18.2
3.6
23.8
4.7
CV
13.5
7.7
26.7
14.0
23.5
8.4
13.3
9.4
17.1
5.6
27.1
8.8
10.1
8.4
Significance
NS
NS
LSD
7.62
0.65
8.94
1.16
17.11
0.63
2.75
0.55
8.97
0.58
4.37
0.71
Significant at < 0.05; highly significant at < 0.01; very highly significant at < 0.001. NS = non-significant. Means that do not share the same letter are significantly different at 5% level.
