Seed Corn Best Management Practices for Ontario
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Seed Corn Weed Images 2 - Grass Weeds
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Table of Contents
WireStemmed Muhly
Proso Millet
Fall Panicum
Quackgrass
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Grass Weeds
WireStemmed Muhly
1.
stems slender
and wiry
2.
rhizomes short, scaley,
branched, brittle and
colour varying from beige
to pink or purple
3.
membranous
ligule
4.
numerous compact
inflorescences
5.
seedhead greenish-
purple at maturity
6.
much branching
and bushy habit
7.
stems can be erect
or nearly prostrate
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Proso Millet
1.
young proso
millet seedling
2.
stout stems
3.
leaves smooth to
sparsely hairy, leaf
sheaths densely hairy
4.
panicles can be dense
and arch to one side or
erect and loose
5.
panicle (top left) and
hairy ligule, no auricles
(bottom right)
6.
flowers July
to Sept
7.
major weed of grain
fields in parts of
southern Ontario
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Fall Panicum
1.
young fall
panicum plant
2.
stems usually bend
in a zigzag manner
at each node
3.
Fall panicum has a
hairy ligule, no auricles
4.
each spikelet at
the end of a tiny branch
5.
often roots from nodes
touching the ground
6.
erect or spreading
or lying nearly prostrate
on the ground
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Quackgrass
1.
young
seedling
2.
distinctive
auricles
3.
rhizomes or
underground runners
4.
slender non-
branched spikes
5.
spikelets alternate from
one side to the other
6.
the most troublesome
perennial grass
7.
flowers from June
to Sept
8.
might not flower
through growing season
For further information:
msantavy@seedcorngrowers.on.ca
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