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'Knock Out ®' rose References
Article (magazine)  (2010)  Page(s) 1781.  
Knock Out (RADrazz), Earth-Kind-designated rose for the south-central United States, Earth-Kind Brigade, Shrub, 1999, William Radler, Ploidy 3x ....
Article (website)  (2007)  
Roses with superior resistance (less than 2% foliage infected) to black spot and cercospora leaf spot were considered no-spray roses (do not require fungicides for clean foliage).

Knock Out is on the list of no-spray roses.
Website/Catalog  (2005)  Includes photo(s).
Award: Gold Medal; Best Rose in Trial; Best Floribunda Rose in Trial; Marion de Bomhe Memorial Award; Best Australian Rose in Trial.
Name: Burgundy Iceberg
Type: floribunda rose
Habit: a sport of Pink Iceberg
Breeder: Lilia Weatherly, Tasmania
Exhibitor: Swane's Nurseries, NSW
Award: Gold Medal; Best Hybrid Tea in Trial
Name: Sundance
Type: hybrid tea rose
Habit: the formal buds are a rich orange that open to a clear yellow
Breeder: Jackson & Perkins OR, USA
Exhibitor: Swane's Nurseries, NSW
Award: Gold Medal
Name: Knock Out
Type: floribunda rose
Habit: masses of semi-double blooms of vibrant magenta to cherry red
Breeder: William Radler, Wisconsin USA
Exhibitor: Corporate Roses, SA
Book  (Aug 2002)  Page(s) 52.  
Knock Out
Shrub 2000
Interim rating 8.4
(2000)  Page(s) 280 & 490.  
Discrepancy in name. P. 280 spells it as Knockout. P.490 Is the definitive registration page entry and spells it Knock Out.
Website/Catalog  (30 Aug 1999)  Page(s) 6.  Includes photo(s).
Magazine  (May 1999)  Page(s) 42.  
'RADrazz', S, rb, 1999, (Knock Out) ... description
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