Hybrid Test Reports (Continued from Page 8) gray leaf spot (GLS), (from natural inoculum) was prevalent in the surrounding area, very little GLS occurred in this plot. However, NLB developed to high levels on several of the entries and disease ratings were made on September 6 for NIB only. Stalk rot, bird damage, and animal damage were not a problem at any location other than at the Crawford County site mentioned above. Interpretation of results Least significant difference (LSD) is the tool used to determine if two average values are actually different statistically. The difference between two hybrids must exceed the LSD value to be considered significantly different Example for yield; LSD = 8.1 Bu/A; Hybrid X = 120.0 Bu/A; Hybrid Y = 105.0 Bu/A; 120.0 - 105.0 = 15.0 Bu/A difference. Since the difference between Hybrid X and Y (15.0 Bu/A), exceeded the LSD (8.1 Bu/A), Hybrid X was higher yielding due to hybrid superiority and not simply as a result of uncontrolled environmental factors. Results of the tests for short-season, early medium-season, late iriedium-season, and late-season hybrids are available as separate reports from county offices of Penn State Cooperative Extension. Members of the county-based extension staff assisted in conducting these tests. Their efforts were essential to the success ful completion of the trials and were greatly appreciated. The tables in this report may be reproduced only in their entirety. ENTRIES BY LOCATION TaMa 2. Short-saasonQllatwfty Zona I)hybndparformanca for MMdual locations; yiaM is in bushab par acre and laaf Might (LI) ratings araOS-5.0, whara O.S squab UtUa or no disaasa and 5.0 aquais pramatura daath. Brand-Hybrid Agway AQ4597 1432 157 4 1502 1401 3 0 Agway AQ4803 1312 160 8 132 6 149 4 31 Agway AG4696 6t 154 4 147 6 159 2 146 6 2 5 AgwayAQ47l7 1404 147.6 129 6 142 4 2 5 AgwayAQSO9S *V* V r 133.0 "100.6 ~V Vj£oM v" X 137.8 . ' 2.7 ' * AagrowRX4S2YQ " m%i *' 1682 »4 .T 138.7 ’ 1 " ‘*lsB2* 22 ' ChamgroBo6l * . _ * :*, J 422 \1202 M'-wWi*.*- * *>180.4. , 8.1 , , Dakalb OKC46-26 1343 132.5 1492 1382 0.9 Dakaß) OKC4B-15 1269 148 9 143.1 1497 1.5 DaKaib DKCSI-88 132 4 1613 117.5 129 8 2 5 Dafcafc DKCS3-32 tL 1 02 3fc*»£lBS2 '*"&M|s22 > “ “< boaUar*a236X % , * 27 - 4 f# 3.l**. * t doabWr'a296XP WSfc&l*** Shs.o.. OoaWar’s 495 XY 159 2 1522 124 7 1426 22 Garat 8801 IT 1378 147.6 128.9 112 1 38 QaratW3o f 142 121-3 7 -(r^s-ji 2 ® . NC+l32O 1173 164.6 1534 141 1 30 NK Brand N4S-A6 169 7 1731 143.2 151.6 2 6 NK Brand N5B-D1 1537 165 7 1230 134.0 1 9 sa*jia«y E3Ol *.- 5 7-* Saafrrfy E 315 RR ' A f1F»5®146.7 > 2.7 - BaadwayE3BB t <■ ; &*>f Saadway E47S 124 4 156.6 106.4 137.4 22 Saadway E5OO CL 1102 178 7 112.7 1207 26 MEAN LSD (005) Tioga Lycoming Marcar 150.6 18.5 1371 203 (Yiald) 135 7 12 7 1322 11.8 AVERAGE OVER LOCATIONS Table 1. Short-season (Maturity Zone 1) hybrid performance combined across four locations. Brand-Hybrid Garst 8966 Doebler’s 236 X Doebler’s 296 XP Seedway E3Ol Hytest HT7345 Garst 8801 IT NC+l32O Garst 8830 Dekalb DKC4B-15 Agway AG4597 Agway AG4698 Bt 20.3 . 152.0 99.5 Agway AG4717 20.3 140.0 97.8 Seedway E 315 RR 20.4 146.6 94.0 NK Brand N45-A6 20.8 159.4 98.4 Agway AG4603 20.9 145.0 95.8 Seedway'E3BB iiir}*, '2l *l. ...1,130.2 ;96.2 Dekalb Dkc4e-26t>:%i .3"138.6 V ‘ 93.0 2U ' 97.0 Dekalb DKCSI-88 21.4 135.3 92.3 Chemgro 6051 21.5 131.0 98.9 Seedway E5OO CL 21.5 130.6 91.6 ' ‘ ■-il3£o/,4' : V95.4 -U 99.0, SeedwayE47s : 131.2 : , 97.4 Asgrow RX452 YG 23.6 158.1 97.9 NK Brand N5B-D1 24.5 144.1 95.2 Dekalb DKCS3-32 25.1 157.9 96.6 (NLB) MEAN LSD (0.05) Lancaster Farming, Saturday, January 19,2002, Corn Talk- Grain Grain Erect Bushel Moisture Yield Plants Weight (%) (bu/acre) (%) (lbs) 19.8 20.3 20.3 20.9 138.9 95.5 0.6 8.0 2.7 TWO-YEAR AVERAGE Table 3. Two-year average of short-season (Maturity Zone 1) hybrids that were entered in both the 2000 and 2001 tests. Brand-Hybrid Agway AG4597 Agway AG4603 Dekalb DKCS3-32 Doebler’s 236 X Garst 8830 NK Brand N5B-D1 Seedway E3Ol Seedway E 475 MEAN SILAGE ENTRIES Table 4. Silage performance of short-season (Maturity Zone 1) hybrids. Brand-Hybrid Doebler’s 469 XP Seedway E 409 L Hytest HT7350 RR Seedway E 390 L Hytest HT7415 Dekalb DKCS3-32 Golden Harvest H-81 Doebler’s 596 XY Dekalb DKCS6-71 MEAN LSD (0.05) a Yields are standardized to 65% moisture, b Plant moisture at the time of harvest. - X * ** 116.1 126.1 131.8 145.5 , 139.5 , 131.6 144.1 136.7 142.2 147.7 Grain Gram Erect Bushel Moisture Yield Plants Weight (%) (bu/acre) (%) (lbs) 136.1 134.2 136.0 121.0 124.5 128.8 132.2 125.0 129.7 22.0 Plant Yield 3 (tons/acre) 22.8 2.9 ; • (Turn fo' Pago' td> ’ 95.6 95.2 94.5 53.5 52.6 50.2 54.0 0.6 51.9 96.6 Dry Moisture b Matter Yield (%) (tons/acre) 64.2 3.4 193 8.0 1.0
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