Pests Addressed

Scentless Chamomile

An annual, biennial or short lived perennial that originated in Eurasia but now common to Western Canada. The species is competitive in sheer numbers alone since it reproduces only by seeds. The seeds have no dormancy. Large populations and no dormancy increase the complexity of control options. Aliases of this weed are mayweed and scentless mayweed.

Identification

IDENTIFICATION:
Cotyledons: Are oval and hairless, sometimes confused with pineapple weed. Leaves: Finely divided, alternate leaves give it a fern-like appearance. Stem: Stand erect and multi-branched. Plant height can reach 1 meter. Flowers: Distinct yellow center discs surrounded with white petals giving it a daisy-like appearance. There is little to no odor. Roots: Fibrous.
DID YOU KNOW?:
- Scentless Chamomile produces only by seeds. One plant can produce up to 1 million seeds. - A single plant can occupy up to a square meter when there is little competition from other plant species. - Listed as a noxious weed in British Columbia, Alberta, Saskatchewan and Manitoba.

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Check out our Nasty Weeds (Part 1) ProTraining course:

Nasty Weeds (Part 1)

Why are some weeds more aggressive in their growing habits than others?This course will look at how the Western Provinces categorizes their own list of “Nasty Weeds” and the roles and responsibilities for the Provincial Weed Act within BC, AB, SK and MB. Understanding the biology of the nasty weed provides insight in control tactics for that specific weed. The course will look at how weeds spread from their native country to new areas.

This course looks at identification, biology and control strategies for Jimsonweed, Japanese knotweed, Scentless chamomile, Yellow toadflax and Baby’s breath. We will discuss the threat of the invasive weeds species and the impact on the economy, human health and the environment.

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