Ocena odrastania muraw trawnikowych z udziałem śmiałka darniowego
Date
2012Author
Jankowski, Kazimierz
Jankowska, Jolanta
Sosnowski, Jacek
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The aim of this work was to evaluate the usefulness of tufted hairgrass to establish
turf lawns used extensively as a result of the impact of it’s on the degree of lawns regrowth.
Field experiments were founded in April 2003. In one experiment were sown the seeds of five
grass species in pure sowing on the plot with an area of 1 m2. It was tufted hairgrass, clump red
fescue, rhizomes red fescue, tall fescue, kentucky – bluegrass. In the second experiment were
sown mixtures of this grass species with tufted hairgrass. Seeds for these experiments came
from IHAR in Radzików. In the first experiment, research factors were 5 species of grasses and
3 date of observation and in the second – 5 kind of mixtures and 3 date of observation. As
a date for observation for the spring was adopted mid-May, for the summer mid-July, for the
autumn mid-October. The study was conducted in the years 2004–2005 by making systematic
observations once a season (spring, summer, autumn). Each year of the study the lawns
regrowth were evaluated. This evaluation was made according to the COBORU methodology.
Valuation used 9o
scale, where 9 meant the best value of this feature. Regrowth of tufted
hairgrass turf was slower than kentucky bluegrass or red fescue, and so this species which are
commonly used in lawn mixtures with varying suitability. From the five lawn mixtures
established on the tufted hairgrass base, a mixture consisting of 50% of the tufted hairgrass and
red fescue the slowest regrowth was characterized. The slow regrowth rate of tufted hairgrass
both in monoculture and in mixtures create the possibilities to use this grass species in greater
extent to the establish of lawns especially those that will not require too frequent mowing.
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