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Moss is
a primitive plant; most species are perennial. Moss has a filamentous
growth pattern and produces a felt-like mat over the soil surface.
This moss mat can become thick under good growing conditions. There
are two main groups of moss species. The first contains chlorophyll
and grows on the soil surface; the second lacks chlorophyll and
spreads underground. These groups can be divided again by their
growth habits. Moss is different from higher plants such as turfgrass,
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because it does not contain conductive tissue and lacks phloem and
xylem. Due to not having conductive tissue, moss also lacks true
roots, but absorb moisture and nutrients through root like structures
called rhozoids. Leaves of most moss species are only a few millimeter
long and lack petioles.
Moss does
not produce seeds, but develops spores. The spores are produced
in capsules at the tip leafless stems. Spores are spread by wind
and by moisture. Moss also spreads vegetatively.
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Cultural Practices:
Moss is a plant that does well in conditions that are adverse for good
turf growth. Moss usually grows in damp, cool, poorly drained shaded areas.
The growing conditions must be altered to favor the growth of the turf
over that of the moss. Irrigation should be monitored to permit the soil
surface to dry between watering. If possible, the shade should be thinned
to allow sunlight to the soil surface. The fertility of the soil should
be checked and proper fertility practices should be followed.
Herbicide
Use:
Products that change soil pH can be used to control moss. Lime, iron and
copper products have been used to control moss. Make your moss control
application when moss is actively growing during the spring and summer.
University
Links | Gordon's
Recommendations | Germination
Dates
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