Page 20—Com Talk, Lancaster Farming, Saturday, January 29,1994 Corn Tests Report (Continued from Page 19) Diseases, insects and other pests Because of the drier summer, leaf diseases were slow to develop even where plants were inoculated. Gray leaf spot was found on susceptible plants at all locations but was less severe than in several previous years. Ratings were made for the entries at one Franklin County location and are reported in Tables 1 and 2. Tests at the Lancaster location were inoculated with the patho gens causing northern leaf blight (NLB) and northern leaf spot (NLS), but disease levels were too low to rate. Some stalk rot was noted at all locations but was most noticeable at the Lehigh and Cumberland County locations. Com borer infestation was noted at all locations but was not as severe as in past years. Some ear drop was apparent. Animal damage was insignificant at these locations. Interpretation of results Least significant differences (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 = 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. Table 1 Late season hybrid performances (Maturity Zone 4) Combined Penn State Commercial Advanced Entries (average of five locations) Data under Location Means indicate counties where values were obtained BHANO-HYBRIO PIONEER 3293 HY PERFORMER H 59773 CARGILL SI 27 TERRA TR1145 GREENLAND GL345 HY PERFORMER H 59843 FUNK’S 0*4626 HYTEST HTX774B DOEBLERS 75X2 OOEBLER S 82XP GREENLAND GL27O ASGROW RXB97 # WARNING, ALL SILO OWNERS Check your silo now for rotten staves. If you have been using your silo tor 10 to 15 years for either corn silage or haylage, It Is time to SHOTCRETE. RESURFACES INTERIORS: * Coats the silo's interior • Protects feed in storage • Durable lough, acid-resistant • Increases useful life * Economical REPAIRS HOLES; * Repairs even large holes * Up to twice the strength of the original slave * Rapid application * Durable surface EXTENDS USEFUL LIFE: * Support for old foundations • Special repairs can be made quickly and economically • Little or no forming needed • Stronger than the original Shotcrete la also good for repairing atone walla When you think your silo is beyond repair Lancaster Silo Co., Inc. 2008 Horaeahoo Rd. • Lancaatar, PA • (717) 299-3721 ADVANCED ENTRIES PERCENTOFCHBCKS YIELD ERECT Before The ailo t interior ANcr The surface Is with plaster damaged and slave reconditioned, and a new, thick exposed 1 '.m m \ - - - -imp Before A hole it worn After With the hole repaired completely through the silo wall by ShoiCretc and a new surface applied the silo is ready for years of use Before The bottom part of After The ShotCrcte the slaves are completely worn System repairs and replaces away the missing structure THINK OF SHOTCRETE! HEIGHT (IN) PLANT EAR %h 2 o bu/a % GRAIN GRAIN ERECT lough surface will protect stored feed (Maturity Zone 4) 1993 results HARDY H 86334 AGWAY AO 824 DOEBLERS 84XP EASTLAND E 799 PIONEER 3140 DOEBLERS 87XP HYTEST HT7728 MUNCY CHIEF XA7790 NORTHRUP KING N 8727 FUNK'S 0*4672 FUNK'S G-4671 JACQUES 9220 CARGILL 9027 MEANS LSD (.05) LOCATION MEANS Lehigh Frankltn Franklin Cumberland Berks Table 2 Late-season hybrid perlormances (Maturity Zone 4) Combined Penn State Commercial New Entries (average of five locations) Data under Location Means indicate counties where values were obtained BRAND-HYBRID FUNK'S 0-4473 HY PERFORMER H 59502 HY PERFORMER HY9610 EASTLAND E7BO HORST S74X FUNK S G-4626 1C18285 CARGILL 8127 HALSEY H2llB CARGILL 8327 PRAIRIE STREAM SXSS6 PrV|RIE STREAM SX7O4 EASTLAND E 799 HALSEY Hll2O HY PERFORMER H 59848 OOEBLER'S 84XP JACQUES 8240 PIONEER 3140 MUNCY CHIEF XA7766 AGWAY AQ 828 FUNK'S 0*4584 MUNCY CHIEF XAB2BO ASGROW RXB96 PIONEER 3192 NORTHRUP KING N 8727 6LS RATING MEANS LSD (09) LOCATION MEANS Lehigh Franklin Franklin Cumberland Berks 100 1 3 1 99 4 995 101 7 99 0 1001 93 2 1060 103 5 1052 92 5 101 7 97 0 92 0 86 0 1153 NEW ENTRIES FERCENT-OF-CHECKS YIELD ERECT 1001 1 7 999 1005 1023 993 964 91 6 95 7 948 900 1109 962 103 9 100 8 102 2 898 (Turn to Pago 21) 156 0 133 1620 1545 146 5 140 2 176 8 24 8 28 2 27 5 28 0 24 6 96 6 966 988 961 97 2 %HjO lU/A % HEIGHT (IN) GLS GRAIN GRAIN ERECT RIANT EAR RATING 162 3 121 97 0 97 6 993 964 965 1539 1607 159 2 151 3 166 3 25 6 27 6 268 27 2 239
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