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Testcross Performance of Semiexotic Inbred Lines Derived from Latin American Maize Accessions

^a Dep. of Crop Science, Box 7620, North Carolina State Univ., Raleigh, NC 27695-7620
^b USDA-ARS, Plant Science Research Unit, Dep. of Crop Science, Box 7620, North Carolina State Univ., Raleigh, NC 27695-7620

View larger version (28K): [in a new window]   Fig. 1. Histogram of mean grain yields of 164 semiexotic maize lines testcrossed to LH132 x LH51 evaluated in first stage yield trials in seven North Carolina environments in 1999 and 2000. Mean grain yields of Mo44 x (LH132 x LH51) and eight commercial hybrids indicated with arrows. An LSD of 0.7 Mg ha-1 is appropriate to compare means of one semiexotic line testcross to Mo44 x (LH 132 x LH51) at = 0.05. An LSD of 0.6 Mg ha-1 is appropriate to compare means of one semiexotic line testcross to mean of all seven commercial hybrids at = 0.05.

View larger version (31K): [in a new window]   Fig. 2. Histogram of mean grain moisture of 164 semiexotic maize lines testcrossed to LH132 x LH51 evaluated in first stage yield trials in seven North Carolina environments in 1999 and 2000. Mean grain moistures of Mo44 x (LH132 x LH51) and eight commercial hybrids indicated with arrows. An LSD 7 g kg-1 is appropriate to compare means of one semiexotic line testcross to Mo44 x (LH 132 x LH51) at = 0.05. An LSD of 5 g kg-1 is appropriate to compare means of one semiexotic line testcross to mean of all seven commercial hybrids at = 0.05.