Field Efficacy of <i>Nicotiana tabacum</i> L. var Virginia Extract against Coffee Borer Beetle (<i>Hypothenemus hampei</i>) Attacking Coffee Berries in Plantation Area

<div>The percentage of intensity of the CBB attacks during six weeks of observation (mean ± SD; <i>n</i> = 3). C is the control. E1, E2, and E3 are 150 ml, 300 ml, and 450 ml of the ethanolic heat reflux extract of <i>N. tabacum</i> L. var Virginia origin of Ponorogo (EHRE-Nt), each diluted with 100 l of water.</div>

International Journal of Agronomy

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Figure 7

Figure 7: Field Efficacy of <i>Nicotiana tabacum</i> L. var Virginia Extract against Coffee Borer Beetle (<i>Hypothenemus hampei</i>) Attacking Coffee Berries in Plantation Area 

Figure 7 | Field Efficacy of Nicotiana tabacum L. var Virginia Extract against Coffee Borer Beetle (Hypothenemus hampei) Attacking Coffee Berries in Plantation Area 