Soil pH alters the biological parameters of cowpea aphid <i>Aphis craccivora</i> Koch (Hemiptera: Aphididae) on its host plant <i>Vicia faba</i>.

For this pH groups, data was combined, and a regression analysis was performed to examine a relationship between progeny production and plant height; a highly significant negative relationship was detected ( r 2 = 0.28, F = 11.10, P = 0.0024).

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