Study of Genetic Parameters and Correlation for Several Genotypes of Wheat Triticum aestivum L. Under Effect of Phosphate Fertilizer | ||
| IRAQI JOURNAL OF DESERT STUDIES | ||
| Article 4, Volume 13, Issue 1, June 2023, Pages 33-39 PDF (812.49 K) | ||
| Document Type: Research Paper | ||
| DOI: 10.36531/ijds.2023.137703.1016 | ||
| Authors | ||
| Abdalmajeed hameed dhaher Al-Fahdawi* 1; Omar Hazem Al-Rawi2; Jalal N Mhmood3 | ||
| 1Department of Field Crops, College of Agriculture, University of Anbar, Anbar, Iraq. | ||
| 2Department of Biology, Education College for Women, University of Anbar, Anbar, Iraq. | ||
| 3Agricultural Research Directorate, Ministry of Science and Technology, Baghdad, Iraq. | ||
| Abstract | ||
| A field experiment was applied at the research station No. (1) of the College of Agriculture - University of Anbar, during the winter season 2021-2022. The seeds of six genotypes of wheat were sown, namely (Mahmudiyah, Diyar, Wafia, 25, 17 and 1) under three levels of phosphorous (108, 118 and 128) P2O5 kg H-1 The split-plots arrangement was used to design randomized complete blocks (RCBD) . The results of the analysis of variance showed that there were highly significant differences for all the studied traits and at each level of phosphorus. The values of genetic variation were higher than the values of environmental variation for all traits. The number of spikes trait recorded the highest values for phenotypic and genetic variation for all levels. The trait number of days to flowering gave the highest heritability percentage in the broad sense for all phosphorus levels amounted to 97.59, 96.49 and 98.77%, respectively. The values of the genetic and phenotypic coefficient variation varied according to the levels of phosphorus, as the number of spike recorded the highest values at the three levels of phosphorus, followed by grain yield. A negative and significant genetic , and phenotypic correlation relationship appeared between grain yield, number of days to flowering, and number of days to maturity through the second phosphorus level, while a positive and significant genetic correlation for the weight of one thousand grains appeared with grain yield and through the second phosphorus level | ||
| Keywords | ||
| wheat; coefficient of phenotypic; coefficient of genetic; heritability; correlation; genetic variation | ||
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