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SR 1020 was developed and released by Seed
Research of Oregon, using germplasm obtained
from the University of Arizona. During the
period 1971-1976, 93 clones were collected
by Dr. Robert Kneebone from old golf greens
in Phoenix, Tucson, and Yuma in Arizona; the
Palm Springs area of California; and from
other researchers in the Southern United States.
They were evaluated for heat tolerance, turf
quality, and ability to thrive under Tucson
conditions.
In 1976, twenty-six clones which appeared
to have the best potential were planted in
a replicated test and mowed regularly at 1/4
inch as a putting green, but received only
minimal fertilization and irrigation with
no pesticides of any sort applied. By 1982,
many of these clones disappeared entirely
and most were invaded by weeds. The five parental
clones of SR 1020 however, maintained a dense
stand and good quality throughout the test
period. These five clones are characterized
by excellent putting green growth habit, fine-textured,
uniform turf, dark green color, heat and drought
tolerance, improved resistance to Pythium
blight, tolerance of low levels of fertility,
and high seed yield. This ability to survive
has continued to be shown in high stress environments
on actual golf courses worldwide.
SR 1020 was included in both the fairway and
putting green trials of the 1989 National
Bentgrass Test and in the putting green trials
of the 1993 Test. In tests it has demonstrated
the aggressive growth and stress tolerance
necessary to resist Poa annua invasion.
James Brown,
Shreveport Country Club, Shreveport, Louisiana
- "SR 1020 is great. It established rapidly
and produced great color during the hot weather
of summer. Golfers com- ment about the excellent
putting speed and how well it holds the golf
shot. It has great disease resistance and
has required very little use of fungicides."
Mandel Brockinton,
Diamante Country Club, Hot Springs, Arkansas
- "SR 1020 gives me a grass that I can
depend on and a putting surface that the membership
really enjoys. When considering creeping bentgrass,
there is only one choice in this region ...
SR 1020. It simply outperforms all other bentgrasses."
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