Research Article

Effects of Mulch Type, Plant Cultivar, and Insecticide Use on Sweet Potato Whitefly Population in Chili Pepper

Table 3

Mean numbers of whitefly eggs, nymphs, and adults for insecticide application frequency treatments, 2018.

Insecticide applicationMean numbers of whiteflies (±SEM)
Eggs per 1 cm2 leafNymphs per 1 cm2 leafAdults per plant

Twice per week2.55 ± 0.39 a2.61 ± 0.29 a2.17 ± 0.33 a
Once per week2.96 ± 0.51 a2.87 ± 0.46 a2.16 ± 0.32 a
Once per two weeks6.78 ± 0.25 b5.49 ± 0.25 b3.41 ± 0.94 a
Control14.54 ± 3.91 c10.34 ± 2.40 c12.61 ± 1.24 b

Means in a column followed by different letters are significantly different from each other (), according to Tukey’s post hoc test.