Article Figures & Data
Figures
- Figure 1.
Decrease in the abundance ratings of hemlock woolly adelgid on three categories of eastern hemlock prior to and 816 days after the application of imidacloprid. Tree health categories are: Healthy = trees with new growth at the beginning of the study; Poor = little or no new growth but with no dieback; Dieback = no new growth, with dieback and needle loss. Im = imidacloprid application; NoIm = no imidacloprid. Bars represent means, and vertical lines represent standard errors. Means that share a letter do not differ by a Nemenyi test (P = 0.05).
- Figure 2.
Abundance ratings of hemlock woolly adelgid on eastern hemlock at 0 days, at 434 days, and at 816 days after the application of imidacloprid. Health categories are as in Figure 1. Bars represent means. and vertical lines represent standard errors.
- Figure 3.
Growth rating of eastern hemlock at day 0, and changes in the new growth ratings at 144 days, at 434 days, and at 816 days after imidacloprid application. Tree health categories are as in Figure 1. Bars represent means, and vertical lines represent standard errors.
- Figure 4.
Increase in the dbh of eastern hemlock 816 days after the application of imidacloprid. Tree health categories are as in Figure 1. Bars represent means, and vertical lines represent standard errors. Means that share a letter do not differ by a Bonferroni test (P = 0.05).
- Figure 5.
Appearance ratings of eastern hemlock 816 days after the application of imidacloprid. Tree health categories are as in Figure 1. Bars represent means, and vertical lines represent standard errors. Means that share a letter do not differ by a Bonferroni test (P = 0.05).
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