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Table 1. Summary of all 2012 spray programs in southern B.C. The table is separated by target insect (western spruce budworm, western hemlock looper, and two-year cycle budworm) and lists by Region the area sprayed with B.t.k., volume of B.t.k. applied, number of spray blocks, number of staging sites, and number of days required to complete each spray program. Thompson Kootenay Cariboo Total Okanagan Boundary Western Spruce Budworm Hectares sprayed 54,337 13,678 47,998 116,013 Litres B.t.k. applied 130,408 32,827 115,195 278,430 Number of. blocks 38 9 29 76 Number of staging sites 15 5 2 22 Number of days to complete Western Hemlock Looper 6 4 11 21 Hectares sprayed 4,014 7,967 11,981 Litres B.t.k. applied 9,634 19,122 28,755 Number of blocks 7 21 28 Number of staging sites 4 5 9 Number of days to complete Two-Year Cycle Budworm 1 2 3 Hectares sprayed 890 890 Litres B.t.k. applied 2,136 2,136 Number of blocks 3 3 Number of staging sites 2 2 Number of days to complete 1 1 Total hectares sprayed 128,888 Total litres B.t.k. 309,321 Figure 1. Area sprayed with B.t.k. for western spruce budworm from 2001 to 2012 in the Cariboo, Thompson Okanagan and Kootenay Boundary Regions. Ministry of Forests, Lands and Natural Resource Operations, Kamloops, B.C. 42
Table 2. List of western spruce budworm spray blocks in the Thompson Okanagan Region treated with Foray 48B in 2012. The table lists by block number and location the area treated, litres of B.t.k. applied and date(s) sprayed. Area Sprayed Litres Date Block # Location (hectares) B.t.k. Sprayed OK3 Bear Creek 4,161 9,987 June 20 OK4 McDougall Creek 914 2,194 June 20 OK5 Smith Creek 1,421 3,410 June 20 OK6 Glenrosa Road 1,412 3,390 June 20 OK9 Yellowlake Creek 1,062 2,549 June 22 OK10 Mount Laidlaw 468 1,125 June 22 OK11 north of Yellow Lake 558 1,340 June 22 OK12 Orofino Mountain 7,778 18,668 June 22 OK14 Naramata Bench 1,553 3,726 June 21 OK16 Carmi Road 697 1,672 June 21 OK17 McLean Creek 505 1,212 June 22 OK18 Shuttleworth Creek North 651 1,561 June 22 OK19 Shuttleworth Creek South 62 1,498 June 22 OK20 Camp McKinney Road North 3,356 8,060 June 21 OK21 Camp McKinney Road South 1,348 3,234 June 21 M1 Clapperton Creek 84 200 June 27 M2 Clapperton Creek 323 776 June 27 M3 Clapperton Creek 869 2,085 June 27 M4 Clapperton Creek 198 476 June 27 M5 Clapperton Creek 216 518 June 27 M6 Swakum Mtn - Jesse Creek 489 1,174 June 27 M7 Swakum Mtn - Jesse Creek 2,225 5,339 June 27 M8 Swakum Mtn - Jesse Creek 616 1,479 June 27 M9 Guichon Creek 770 1,848 June 29 M10 Guichon Creek 721 1,730 June 29 M11 Guichon Creek 2,040 4,896 June 29 M11A Mamit Lake 1,118 2,682 June 29 M12 West of Merritt 2,514 6,032 June 27-28 M13 West of Merritt 2,897 6,952 June 27-28 M14 West of Merritt 799 1,919 June 28 M15 Pimainus Creek 3,447 8,272 June 28 M16 Sackum-Soap Lake 2,438 5,852 June 28 M17 Sackum-Soap Lake 879 2,111 June 28 M18 Sackum-Soap Lake 307 737 June 28 M19 Sackum-Soap Lake 330 791 June 28 K1 Duffy Lake 1,628 3,906 June 29 K2 Inks Lake 2,170 5,209 June 29 K2A Inks Lake 749 1,798 June 29 Thompson Okanagan Region Total 54,337 130,408 June 20 - 29 Ministry of Forests, Lands and Natural Resource Operations, Kamloops, B.C. 43
Page 1 and 2: 2012 Overview of Forest Health Cond
Page 3 and 4: In t r o d u c t I o n This report
Page 5 and 6: Table 2 continued. Area summaries f
Page 7 and 8: So u t h e r n In t e r I o r ov e
Page 9 and 10: Attack in young lodgepole pine stan
Page 11 and 12: A total of 116,012 hectares of high
Page 13 and 14: we S t e r n he M l o c k lo o P e
Page 15 and 16: BI r c h le a f MI n e r, fe n u s
Page 17 and 18: th o M P S o n ok a n a g a n re g
Page 19 and 20: Aspen decline syndrome became more
Page 21 and 22: Defoliators Western spruce budworm
Page 23 and 24: Defoliators Western spruce budworm
Page 25 and 26: Conifer Defoliators Western spruce
Page 27 and 28: A Douglas-fir Drought-Decline Compl
Page 29 and 30: Bo u n d a rY tSa Bark Beetles Moun
Page 31 and 32: cr a n B r o o k tSa Bark Beetles M
Page 33 and 34: go l d e n tSa Bark Beetles Mountai
Page 35 and 36: ca r I B o o re g I o n Su M M a r
Page 37 and 38: Douglas-fir beetle continued to be
Page 39 and 40: Defoliators As expected, western sp
Page 41: Thompson Okanagan Region The Thomps
Page 45 and 46: Hiller spraying B.t.k. on budworm b
Page 47 and 48: Kootenay Boundary Region A total of
Page 49 and 50: Abbott’s corrected mortality comp
Page 51 and 52: Figure 5. Density and distribution
Page 53 and 54: 2012 Population Monitoring - Result
Page 55 and 56: Above: Lucy Stad receiving budworm
Page 57 and 58: One of the cancelled spray areas in
Page 59 and 60: In the Thompson-Okanagan Region, we
Page 61 and 62: Figure 9. Average number of western
Page 63 and 64: There is an ongoing study to calibr
Page 65 and 66: Larval density ± SEa b Percent mor
Page 67 and 68: Table 19. Total number of larvae pe
Page 69 and 70: Table 21. Average number of Douglas
Page 71 and 72: This stand has records of defoliati
Page 73 and 74: References Garbutt, R. 1992. Wester
Page 75 and 76: Be a r IM Pa c t S o n gr o w t h o
Page 77 and 78: To better understand the progressio

here. - Ministry of Forests, Lands and Natural Resource Operations

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