Assessing genetic diversity and its changes of bread wheat in Qinghai Province, China, using agronomic traits and microsatellite markers

NWIPB OpenIR

	Assessing genetic diversity and its changes of bread wheat in Qinghai Province, China, using agronomic traits and microsatellite markers
	Li, Hong-qin ; Zhang, Huai-gang ; Liu, Bao-long ; Liu, Deng-cai ; Zhang, Bo
	2012
发表期刊	BIOLOGICAL AGRICULTURE & HORTICULTURE ; Zhang, TZ; Nevo, E; Tang, LZ; Su, JP; Lin, GH.Assessing genetic diversity and its changes of bread wheat in Qinghai Province, China, using agronomic traits and microsatellite markers,BIOLOGICAL AGRICULTURE & HORTICULTURE,2012,28(2):120-128
摘要	Little is known about the diversity of wheat in Qinghai Province, China. Agronomic traits and microsatellite markers were used to survey genetic diversity and its change with time in 66 wheat cultivars registered from 1957 to 2009 in Qinghai Province. The average values of plant height, ear length, spikelets per ear, effective spikelets per ear, effective tillers per plant, internode length under spike, kernels per spike, grain weight per ear, 1,000-grain weight, and distance of spike base to auricle of flag leaf were studied. The mean Shannon-Weaver diversity index (H') was 1.67 and increased with time. One hundred and eighty nine microsatellite markers also were used to examine genetic diversity at a molecular level which showed that the average number of alleles (Na), genetic diversity index (He), and allelic richness (Rs) were 3.69, 0.5, and 3.45, respectively, and also increased with time but did not lead to a significant differentiation among the decades. These results suggest that the modern wheat breeding practice did not cause a genetic reduction in Qinghai Province.; Little is known about the diversity of wheat in Qinghai Province, China. Agronomic traits and microsatellite markers were used to survey genetic diversity and its change with time in 66 wheat cultivars registered from 1957 to 2009 in Qinghai Province. The average values of plant height, ear length, spikelets per ear, effective spikelets per ear, effective tillers per plant, internode length under spike, kernels per spike, grain weight per ear, 1,000-grain weight, and distance of spike base to auricle of flag leaf were studied. The mean Shannon-Weaver diversity index (H') was 1.67 and increased with time. One hundred and eighty nine microsatellite markers also were used to examine genetic diversity at a molecular level which showed that the average number of alleles (Na), genetic diversity index (He), and allelic richness (Rs) were 3.69, 0.5, and 3.45, respectively, and also increased with time but did not lead to a significant differentiation among the decades. These results suggest that the modern wheat breeding practice did not cause a genetic reduction in Qinghai Province.
文献类型	期刊论文
条目标识符	http://210.75.249.4/handle/363003/26723
专题	中国科学院西北高原生物研究所
推荐引用方式 GB/T 7714	Li, Hong-qin,Zhang, Huai-gang,Liu, Bao-long,et al. Assessing genetic diversity and its changes of bread wheat in Qinghai Province, China, using agronomic traits and microsatellite markers[J]. BIOLOGICAL AGRICULTURE & HORTICULTURE, Zhang, TZ; Nevo, E; Tang, LZ; Su, JP; Lin, GH.Assessing genetic diversity and its changes of bread wheat in Qinghai Province, China, using agronomic traits and microsatellite markers,BIOLOGICAL AGRICULTURE & HORTICULTURE,2012,28(2):120-128,2012.
APA	Li, Hong-qin,Zhang, Huai-gang,Liu, Bao-long,Liu, Deng-cai,&Zhang, Bo.(2012).Assessing genetic diversity and its changes of bread wheat in Qinghai Province, China, using agronomic traits and microsatellite markers.BIOLOGICAL AGRICULTURE & HORTICULTURE.
MLA	Li, Hong-qin,et al."Assessing genetic diversity and its changes of bread wheat in Qinghai Province, China, using agronomic traits and microsatellite markers".BIOLOGICAL AGRICULTURE & HORTICULTURE (2012).