Page 20—Corn Talk, Lancaster Farming, Saturday, March 18, 1995
inoculated with pathogens causing northern com leaf blight
(NLB) and northern com leaf spot (NLS). Ratings were made,
combined, and are reported in Tables 1 and 2 under a single
heading. Some com borer damage was observed, particularly at
the Centre and Clearfield County locations. Bird and animal
damage was noted, especially at the Clearfield County site.
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.
Cooperators and locations
Short-season hybrids were evaluated with the cooperation of the
following persons: Owen Brackman, Bradford County; Frank
Sankey, Clearfield County; Gerald Yahner, Cambria County;
Bemie Beichman, Clarion County; Walter Ramsey, Potter
County; and Penn State farms, Centre County.
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(Continued from Pago 19)
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Table 1 Short-season hybrid performances (Maturity Zone 1) Combined Penn State Commercial Advanced Entries (average of five
locations) Data under Location Means indicate counties where values were obtained
■RAND-HYimO
AQWAY AG 295
FUNK'S G-4172
DOEBLER’S 27XP
PIONEER 3861
AQWAY AG 310
TERRA TR9IO
GOBBLER'S 49XP
AQWAY AG 262
WETSEL PXBS
WETSEL PX9O
NC+ 2309
PIONEER 3751
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(Turn to Pago 21)
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LEAF
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