Research Article

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, hybridLeaf chlorophyll concentrationLeaf temperature (°C)Test weightYieldProteinNGrain mold
Weeks after planting Kg/ha %

201313151112131415
Fungicide
Untreated48.7a39.7a31.9a31.6a31.3a33.3a34.3a64.5a6391a11.7a1.9a1.0a
Azoxystrobin47.6a39.6a31.9a31.4a31.0a33.2a33.6a64.0a6297a12.0a1.9a1.0a
Flutriafol48.1a41.0a31.3a30.7a30.9a33.7a31.1a64.0a6387a11.5a1.8a1.0a
Pyraclostrobin49.2a40.5a31.9a30.6a31.5a32.9a33.6a64.1a6394a11.9a1.9a1.0a
Hybrid
53-6749.1a43.4a31.3a32.5a31.0a31.3b31.2b65.2a6610a12.1a1.9a1.0a
54-0047.7b37.0b32.2a29.6b31.4a35.2a36.6a63.1b6125b11.4b1.8b1.0a

2014
Fungicide
Untreated46.8a42.3a31.2a31.6a32.3a31.7a32.1a62.1a8978a10.0a1.6a2.0a
Azoxystrobin45.6a42.4a31.7a31.4a32.4a31.4a32.1a61.7a8897a9.6a1.5a1.9a
Flutriafol46.5a41.9a31.1a30.7a32.0a30.9a32.1a63.1a9069a9.8a1.6a1.9a
Pyraclostrobin46.8a42.1a31.1a31.3a31.9a31.2a31.9a63.0a9279a10.3a1.6a1.9a
Hybrid
53-6746.5a40.4b32.2a31.9a31.4b30.3b31.6b64.1a9365a10.2a1.6a1.6b
54-0046.3a43.9a30.4b30.6b32.9a32.3a32.6a60.8b8746b9.7a1.5b2.3a

2015
Fungicide
Untreated47.7a44.2a29.2bc28.8a33.2a30.9a31.0a65.5a7058ab9.0a1.4a1.5a
Azoxystrobin46.5ab45.4a29.1c28.7a33.3a31.2a31.4a64.3a6520b8.4a1.4a1.0b
Flutriafol47.6a44.3a29.8ab26.7a32.4a30.5a31.1a64.2a7499a8.6a1.4a1.0b
Pyraclostrobin45.1b44.9a30.1a28.6a31.8a30.1a31.3a63.9a6600b8.8a1.4a1.0b
Hybrid
53-6746.7a44.7a29.6a27.7a32.7a30.7a31.2a64.5a6919a9.4a1.5a1.1a
54-0046.7a44.7a29.6a28.8a32.7a30.7a31.2a64.5a6919a8.0b1.3b1.1a

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.