Classification of New Wheat Ringtones Variety Cultivaras Based on Agro-Morphological Traits in Ilam Climatic Conditions
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Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:

To investigate the genetic diversity of differential cultivars wheat rusts (yellow (Puccinia striiformis), stem (P. graminis) and leaf (P. recondite) rust) for phenological, morphological and agronomical traits 58 differential cultivars along with 5 control genotypes (Karem, Yavaros, Rejab, Saji and Zardak), an experiment base on  augmented  design at the the research field of Ilam University during 2017 was carried out. The studied traits were phenological traits (from days to emergence, days to shooting, days to booting, days to heading, days to flowering, days to physiological maturity) and morphological traits (plant height, peduncle length, node number per shoot, tiller fertill nounmber per plant, tiller number per plant, awn length, spike length, spikelet no. per spike, 100 seed number, biological yield, grain yield and harvest index). The range of trait changes from 134 to 188 days was variable and respectively for differential cultivars SR17 and SR13. The range of plant height changes varied from 47.4 cm in the differential cultivar YR8 to 100.3 cm in the differential cultivar LR12. Cluster analysis by Ward method divided the differential cultivars yellow, stem and leaf rusts were studied in three, three and five groups, respectively. LR1, LR9, LR12 and LR13 were identified as the best differential leaf rust varieties in terms of yield and yield components. YR4 and YR11, which are among the yellow rust differential cultivars, had high grain yield and harvest index. SR1, SR13, SR6, SR14, SR7, SR8 and SR3 were identified as superior stem rust genotypes. Therefore, it can be concluded that these varieties are of great importance in selection and breeding programs to achieve higher yield.

Language:
Persian
Published:
Journal of Crop Breeding, Volume:12 Issue: 33, 2020
Pages:
86 to 101
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