Effect of Fungicide Applications on Grain Sorghum (Sorghum bicolor L.) Growth and Yield
Table 2
Fungicide and hybrid response to the different variables for the 2013 through 2015 growing .
Year, fungicide, hybrid
Leaf chlorophyll concentration
Leaf temperature (°C)
Test weight
Yield
Protein
N
Grain mold
Weeks after planting
Kg/ha
%
2013
13
15
11
12
13
14
15
Fungicide
Untreated
48.7a
39.7a
31.9a
31.6a
31.3a
33.3a
34.3a
64.5a
6391a
11.7a
1.9a
1.0a
Azoxystrobin
47.6a
39.6a
31.9a
31.4a
31.0a
33.2a
33.6a
64.0a
6297a
12.0a
1.9a
1.0a
Flutriafol
48.1a
41.0a
31.3a
30.7a
30.9a
33.7a
31.1a
64.0a
6387a
11.5a
1.8a
1.0a
Pyraclostrobin
49.2a
40.5a
31.9a
30.6a
31.5a
32.9a
33.6a
64.1a
6394a
11.9a
1.9a
1.0a
Hybrid
53-67
49.1a
43.4a
31.3a
32.5a
31.0a
31.3b
31.2b
65.2a
6610a
12.1a
1.9a
1.0a
54-00
47.7b
37.0b
32.2a
29.6b
31.4a
35.2a
36.6a
63.1b
6125b
11.4b
1.8b
1.0a
2014
Fungicide
Untreated
46.8a
42.3a
31.2a
31.6a
32.3a
31.7a
32.1a
62.1a
8978a
10.0a
1.6a
2.0a
Azoxystrobin
45.6a
42.4a
31.7a
31.4a
32.4a
31.4a
32.1a
61.7a
8897a
9.6a
1.5a
1.9a
Flutriafol
46.5a
41.9a
31.1a
30.7a
32.0a
30.9a
32.1a
63.1a
9069a
9.8a
1.6a
1.9a
Pyraclostrobin
46.8a
42.1a
31.1a
31.3a
31.9a
31.2a
31.9a
63.0a
9279a
10.3a
1.6a
1.9a
Hybrid
53-67
46.5a
40.4b
32.2a
31.9a
31.4b
30.3b
31.6b
64.1a
9365a
10.2a
1.6a
1.6b
54-00
46.3a
43.9a
30.4b
30.6b
32.9a
32.3a
32.6a
60.8b
8746b
9.7a
1.5b
2.3a
2015
Fungicide
Untreated
47.7a
44.2a
29.2bc
28.8a
33.2a
30.9a
31.0a
65.5a
7058ab
9.0a
1.4a
1.5a
Azoxystrobin
46.5ab
45.4a
29.1c
28.7a
33.3a
31.2a
31.4a
64.3a
6520b
8.4a
1.4a
1.0b
Flutriafol
47.6a
44.3a
29.8ab
26.7a
32.4a
30.5a
31.1a
64.2a
7499a
8.6a
1.4a
1.0b
Pyraclostrobin
45.1b
44.9a
30.1a
28.6a
31.8a
30.1a
31.3a
63.9a
6600b
8.8a
1.4a
1.0b
Hybrid
53-67
46.7a
44.7a
29.6a
27.7a
32.7a
30.7a
31.2a
64.5a
6919a
9.4a
1.5a
1.1a
54-00
46.7a
44.7a
29.6a
28.8a
32.7a
30.7a
31.2a
64.5a
6919a
8.0b
1.3b
1.1a
followed by the same letter are not significantly different at . mold score: 1 to 5 with 1: seed bright with no mold or discoloration and 5: seed covered entirely with mold and deteriorated and looking dead.