Evalution performance of four soft wheat geno types (Triticum aestivum L.) By addition of kinetin concentrations at different growth stages.
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Genotypic combination, Grain yield, Triticum aestivum L., Gulten, kinetin.
Abstract
The key objective of this study is to investigate the quality production of four different genotypes of bread wheat (Triticum aestivum L.). The main factor involved four different genotypes of bread wheat (Slambo, Strain 10, research 208, and ECSAD 901), the second effecting factor was the three different level concentrations of ketones (0, 10 and 15) ppm. While the sub-second factor was the time spraying the Ketones at the different growth stages within ((stage of branches (main leg + one branch ZGS21), the elongation phase (it is the appearance of the second node on the main leg ZGS32) and the ventral stage (which involved the first appearance of sheath of the leaf ZGS49)). The production performance or the total seeds of three different genotypic combinations (research 208, Strain 10 and ECSAD 901) were quite similar with each other 4.55, 4.64 and 4.67 tons/ Hectare respectively. These results were by the positive superiority of (strain 10) in the number of ears in the unit compared with other genotypic combinations. Also, the superiority of the three different combinations was in the number of seeds in each ear compared to Slambo genotype. In addition, the three different combinations were similar for protein content of their flour. While the (strain 10) had the highest content of wet and dry gluten. By adding Ketone with level 15 ppm resulted to have the highest value of number of spikes/ as well as the number seeds in each spike and the total of seeds production. Despite of the high amount of seeds, the protein content had increased as well as wet and dry gluten while the ash decreased. The Ketone addition to the plants at the ventral stage resulted to improve the most of wheat traits. The amount of seeds had increased by (4.82tons/hector), flour content of wet gluten (33.14%), dry gluten (14.43%) and ash (0.49%). The total weight of seeds tons/hector showed that, there is a positive and significant correlation within the number of ears / by (0.629) and the number of spike grains (0.782).
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