Effects of botanical insecticides on the instantaneous population growth rate of Aphis gossypii Glover (Hemiptera: Aphididae) in cotton - doi: 10.4025/actasciagron.v34i2.10863. Acta Sci. Agron. 2011;34(2):119-214. doi:10.4025/actasciagron.v34i2.10863