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 mass-spectral chromatogram of linoleic acid in the ethanolic heat reflux extract of <i>N. tabacum</i> L. var Virginia origin of Ponorogo (a) and the linoleic acid standard (b).</div>

International Journal of Agronomy

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Figure 3

Figure 3: 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 3 | Field Efficacy of Nicotiana tabacum L. var Virginia Extract against Coffee Borer Beetle (Hypothenemus hampei) Attacking Coffee Berries in Plantation Area 