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EFFECT OF VARIOUS SEEDING RATES ON THE YIELD AND IT’S COMPONENTS OF TWO BREAD WHEAT CULTIVARS (Triticum aestivum L.) | ||
| AL-TAQANI | ||
| Article 1, Volume 23, Issue 2, 2010, Pages 236-243 | ||
| Abstract | ||
| A field experiment was conducted at the experimental farm Department of Field Crop Science, College of Agriculture Abu-Ghraib during 2006/2007 and 2007/2008 season to investigate the effect of four seeding rates (60, 80 , 100 and 120) kg/ha on yield, yield components of two bread wheat cultivars (IPA 99 and Abu- Ghraib -3-). A randomized complete block design with factorial experiment in three replications was used. Results showed that Abu-Ghraib CV. gave high grain yield (4.13) ton/ha, due to its superior in spike No./m2 (444.1) and seed / spike (49.63). while IPA 99 CV. gave biological yield (10.88 and 10.96) ton/ha, respectively. Increasing seeding rates caused increasing in grain yield for both season. The high level (120 kg /ha) was superior in grain yield (4.25 and 4.20) ton/ha, biological yield (11.63 and 11.49) ton/ha, and spike No./m2 ( 531.4 and 533.6) respectively. Abu-Ghraib CV. at (60) kg/ha gave the lowest means, grain yield (4.01) ton/ha, biological yield (9.96) ton/ha only for the second season, spike No./m2 (348.5 and 357.3). This study shows that Abu-Ghraib CV. at (120) kg/ha seeding rate gave the better results under the conditions of middle area of Iraq. | ||
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