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Performance Evaluation and path coefficient analysis for six genotypes of barley (Hordeum vulgare L.) under different plant densities | ||
| Mesopotamia Journal of Agriculture | ||
| Article 13, Volume 46, Issue 3, 2018, Pages 179-190 PDF (924.13 K) | ||
| Document Type: Research | ||
| DOI: 10.33899/magrj.2018.161499 | ||
| Authors | ||
| Zahraa Sabri* ; Ahmed.A. Ahmed | ||
| Field Crops. Dept.,College of Agric. & Forestry, Mosul University | ||
| Abstract | ||
| The experiment was carried out during (2013-2014) season on college of Agriculture and Forestry (Mosul University) location. Five of naked barley entries introduced from (ICARDA) in addition to local Variety Rihan-3 were grown under rain fed condition under three plant densities (200-300-400 seed/m2) using split plot system in randomized complete block design with three replications. Data collected for characters: spike length (cm), number of grains/spike, number of spikes/m2, grain yield (kg/ha), 1000-grain weight (gm). The results showed different performance of genotypes with the variation of plant density. The entry TOCTE/PETUNIA 2//PETUNIA 1 surpassed other in spike length ,number of seeds per spike and grain yield, and the characters number of spikes/m2, grain yield , and 1000 –grain weight were better at density 400 seed/m2. The Broad-sense heritability and expected genetic advance were high for spike length ,number of grains per spike , number of spikes /m2 and For 1000 grain weight (gm), For Expected genetic advance was high for the density 200 seed/m2 and medium for the two densities 300 and 400 seed/m2. Genetic and phenotypic path coefficient analysis showed that the character 1000 grain weight (gm) had the high effect on grain yield at the three densities, and can be used in breeding programs to improve grain yield. | ||
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