Volume 16, Issue 1 (3-2021)                   MGj 2021, 16(1): 85-90 | Back to browse issues page

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Maleki Rad Z, Zaynali Nezhad K, Pahlavani M H. Assessment of SSR marker-trait association for yield related characters in bread wheat. MGj. 2021; 16 (1) :85-90
URL: http://mg.genetics.ir/article-1-1628-en.html
Gorgan University of Agricultural Sciences and Natural Resources,
Abstract:   (318 Views)
Molecular markers have important role to improve yield of wheat through molecular plant breading. In this study, 13 SSR markers were applied to find marker trait association of 34 bread wheat and Chines Spring genotypes. The genotypes were cultivated in the field and 12 quantitative traits such as seed width, seed length, hundred-grain weight, spike length, No. seeds per spike, No. spikelet, flag leaf length, flag leaf width, days to anthesis, awn length, plant height, and peduncle length were recorded. In first, structure of population was studied by structure software. Marker trait association analysis with morphological data was done by tassel v.5 and General linear model (Glm). Structure study of population with ISSR data showed there were two subpopulations. The results from the SSR marker-trait association showed that Xgwm998-4B marker had significant association with seed length, 100-grain weight, seed width, no seeds per spike, plant height and peduncle length, Xgwm925-4B with seed width, no seeds per spike and days to anthesis, Xgwm910-4B with seed length, awn length and seed width, Xgwm891-4B with awn length and days to anthesis, Xgwm898-4B with seed width, days to anthesis and peduncle length, Xgwm710-4B with plant height, Xgwm888-4B with days to anthesis, Xgwm930-4B with peduncle length, Xgwm1084-4B with awn length, Xgwm295-7D with awn length, flag leaf length, days to anthesis and plant  height, Xgwm44-7D with 100-grain weight, days to anthesis, flag leaf length and flag leaf width, Xgwm885-7D with seed length, 100-grain weight and spikelet length. According to the results, the markers used in this study can be used for bread wheat molecular breeding.
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Type of Study: Research | Subject: Subject 01
Received: 2020/03/4 | Accepted: 2021/01/2 | Published: 2021/03/8

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