Article Figures & Data
Tables
- Table 1.
Densities of gypsy moth egg masses (geometric mean of egg masses + 1) on oak trees treated in 1984, 1985, or in both years with ACECAPs or Inject-A-Cide 0 units, Buchanan State Forest, Pennsylvania.
Gypsy moth egg masses per tree Treatment N Pre-1984 Post-1984 Post-1985 1A (Treated in 1984)1 ACECAP 14 26.2abc 12.9bcd 7.6d Mauget 5 28.5ab 11 .Obcd 10.2cd Control 8 22.3abc 51.9a 25.1 abc 1B (Treated in 1984 and in 1985)1 ACECAP 14 36.lab I5.7bcd 5.7d Mauget 5 16.8abcd 8.2cd 1,6e Control 8 22.3abc 51.9a 25.1 abc 1C (Treated in 1985)1 ACECAP 6 65.2ab 10.2c Mauget 5 92.3a 12.2c Control 8 5l.9ab 25.!bc ↵1 Means with the same letter in the same column or in the same row are not significant (P = .05, comparison-wise error rate; LSD test).
- Table 2.
Gypsy moth defolation as percent of oaks treated in 1984, 1985, or in both years with ACECAPS or Inject-A-Cide 0 units, Buchanan StateForest, Pennsylvania.
Percent of trees in defoliation class1 Treatment N 1 2 Post-1984 3 1 2 Post-1985 3 1A (Treated in 1984) ACECAP 14 35 65 0 100 0 0 Mauget 5 40 60 0 100 0 0 Control 8 12 76 12 87 13 0 1B (Treated in 1984 and 1985) ACECAP 14 50 50 0 100 0 0 Mauget 5 60 40 0 100 0 0 Control 8 12 76 12 87 13 0 1C (Treated in 1985) ACECAP 6 100 0 0 Mauget 5 100 0 0 Control 8 87 13 0 ↵1/ Class 1 trees had 0-20% defoliation, Class 2 trees had 21-50% defoliation, Class 3 trees had 51-100% defoliation.
- Table 3.
Extent of wounding response on oaks treated once or treated twice with ACECAPS and Inject-A-Cide 0 Units, Buchanan State Forest, Pennsylvania and Elk Neck State Forest, Maryland.
Treatment no. Tree species Total no. implant/inject sites Wound response (Percent of Implant/Inject) sites Classes* 1 2 3 closed open closed open closed open Elk Neck State Forest Treated ACECAPs 1983 5 Q. rubra 51 78 10 4 8 0 0 5 Q. alba 67 10 9 51 30 0 0 Twice-treated ACECAPs (1983 and 1984) 5 Q. rubra 51 82 12 2 4 0 0 5 Q. alba 67 25 15 39 21 0 0 Treated ACECAPs 1984 15 Q. rubra 214 80 6 6 7 0 0 15 Q. alba 185 32 9 23 36 0 0 Buchanan State Forest Treated ACECAPs (1984 or 1985) 13 Q. alba 156 32 19 49 0 0 0 7 Q. rubra 70 100 0 0 0 0 0 Twice-treated ACECAPs (1984 and 1985) 10 Q. alba 114 18 31 9 42 0 0 4 Q. rubra 38 76 0 24 0 0 0 Treated Inject-A-Cide 0 (1984 or 1985) 10 Q. alba 106 10 10 50 0 30 0 Twice-treated Inject-A-Cide 0 (1 984 and 1985) 2 Q. rubra 22 50 0 50 0 0 0 3 Q. alba 29 0 0 34 0 66 0 ↵* Classes of shakes 1 = less than 10 cm, 2 = 10 cm-1 m and 3 ≈ more than 1M