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Treesearch

Risk-rating Saratoga Spittlebug Damage by Abundance of Alternate-host Plants

Informally Refereed
Download (PDF 1.07 MB): https://research.fs.usda.gov/download/treesearch/11288.pdf

Abstract

The potential damage of the Saratoga spittlebug to red pine can be predicted by comparing the percentage of ground occupied by sweet-fern with the percentage of ground cover occupied by other nymphal host plants. A risk-rating graph is used to estimate potential damage.

Citation

Wilson, Louis F. 1971. Risk-rating Saratoga Spittlebug Damage by Abundance of Alternate-host Plants. Research Note NC-110. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station