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Table 72a. N Timing: Turfgrass color ratings. <br /> TRT 5/18/09 6/15 6/22 6/25 7/2 7/10 7/20 8/6 <br /> URE 6.4 8.1a 8.3a 8.2b 7.7b 7.2 7.3a 6.7b <br /> UXCU 6.6 8.Oa 8.3a 8.4ab 8.5a 6.8 7.2a 7.1ab <br /> BS 6.3 7.3b 7.4b 7.4c 7.4b 7.7 7.4a 7.Oab <br /> PCU 6.3 6.8bc 6.3c 5.6d 6.3c 7.1 7.5a 7.4a <br /> XCU 6.3 7.2b 8.6a 9.Oa 8.6a 7.3 7.7a 7.3a <br /> CHK 6.5 6.5c 6.1c 5.5d 5.8c 6.3 6.Ob 5.6c <br /> Signif. ns ** ** ** ** ns ** ** <br /> ns and ** =P>0.05 and P<0.01 <br /> Means with the same letter within a column are not significantly different according to Duncan's Multiple <br /> Range Test. <br /> Turfgrass color ratings based on a 1-9 scale with 9=dark green turf, 1=dead/brown turf, and 6=minimally <br /> acceptable turf. <br /> Table 72b. N Timing: Turfgrass color ratings. <br /> TRT 8/21/09 9/3 9/18 10/2 <br /> URE 6.7b 6.8b 6.8b 6.2b <br /> UXCU 6.9b 6.6b 6.6b 5.9b <br /> BS 6.9b 6.8b 7.1ab 6.3b <br /> PCU 7.4a 7.5a 7.5a 7.2a <br /> XCU 7.Ob 6.8b 6.9ab 6.2b <br /> CHK 6.1c 5.8c 5.8c 5.3c <br /> Signif ** ** ** ** <br /> ** and * =P<0.01 and P<0.05 <br /> Means with the same letter within a column are not significantly different according to Duncan's Multiple <br /> Range Test. <br /> Turfgrass color ratings based on a 1-9 scale with 9=dark green turf, 1=dead/brown turf, and 6=minimally <br /> acceptable turf. <br /> 2009 SUMMER BLACKOUT TEST: COLOR <br /> 10a d n 2 <br /> 9 « <br /> 8 N , N <br /> ,�. <br /> �I ;." a � <br /> - � � a SURE <br /> UXCU <br /> BS <br /> "I�wi�" ... � i '+` a,,..&�6� -d(-PCU <br /> R <br /> ^�,�r <br /> -IIE-XC+U <br /> 3fat 11 OEM , r <br /> -CHK <br /> 2 _ I iil 5 illl i A <br /> 102- 1133-AMINE, <br /> 3' <br /> 18-May 15-Jun 22-Jun 25-Jun 2-Jul 10-Jul 20-Jul 6-Aug 21-Aug 3-Sep 18Sep 2-Oct <br /> Figure 16.N Timing Blackout Test: Overall visual color from 18 May-2 Oct. 2009. <br /> 91 <br />