pdf, 57.71Mb - Entomological Society of Canada

Pest Status
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Chapter 37
Linaria vulgaris Miller, Yellow Toadflax
and L. dalmatica (L.) Mill., Broad-leaved
Toadflax (Seroph ulariaeeae )
P. HARRIS
The importance of Linaria vulgaris Mill. in western Canada has declined since the early
1950s so that now, as in eastern Canada, it is a conspicuous but relatively unimportant
weed. In a study in the Peace River area of Alberta, Darwent et al. (1975) found that in
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54 56 58 60 62 64 66 68 70 72 74 76 78
Year
Fig. R. Cumulative number of abstracts on the control of toadnax with hcrbidcs in the Research Report of the Expert
CommiUec on Weeds (Canada Western Section)
179