An Investigation on Improvement of Yield Potential of TMP-2 Composite Maize Gene Pool
This study was conducted at the Black Sea Agricultural Research Institute in Samsun- Turkey in 2005 and 2006. The aim of this research was to improve the yield potential of the TMP- 2 corn gene pool. A composite corn cultivar with high adaptation potential called 'Karadeniz Yildizi' in Turkish was enhanced using genetic source material (TMP-2). Nineteen maize source materials with high yield potential and similar agronomic traits to TMP-2 corn gene pool were obtained from Sakarya Agricultural Research Institute. These materials were then crossed with TMP-2 corn gene pool as female parents in 2005. Obtained hybrids were tested and experiment was conducted by randomized block design with three replications. Data was recorded for grain yield and yield components. In the experiment, the seeds of high yielding hybrids were mixed with seeds of TMP-2 gene pool at the rate of 5 % and used as male parents for next generation crossing.
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