Searching a spring wheat mutation resource for correlations between yield, grain size, and quality parameters

Searching a spring wheat mutation resource for correlations between yield, grain size, and quality parameters
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搜索春小麦突变资源以了解产量、籽粒大小和品质参数之间的相关性

DOI:
10.1080/15427528.2016.1276990
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发表时间:
2017
影响因子:
1.3
通讯作者:
Kenzhebayeva S
Kenzhebayeva S
中科院分区:
--
文献类型:
--
作者:
Kenzhebayeva S

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为了扩大遗传变异,以辐照小麦(Triticum aestivumL.)M5群体是以春小麦cv.阿尔玛肯。该资源被用来测量生产力的组成部分,包括每主穗粒数和粒重(GW),单株粒重(GWP),千粒重(TGW),粒度和粒形,以及一些品质参数。一些突变株系,主要是在200-Gy剂量的种质,有2-4倍更高的粮食铁和锌的浓度和7-11%的蛋白质含量高相对于亲本系。一些辐射线有显着较大的TGW,和粮食面积(GA),长度和宽度比亲本,品种。阿尔玛肯。最大GA和粒长(GL)比亲本大30-40%。在200个Gy剂量的突变体中观察到Zn浓度与GA的相关性= 0.191,p <0.01,籽粒蛋白质含量(GPC)与GA的相关性= 0.128,p <0.05,GPC与GL的相关性= 0.113,p <0.05,GPC与籽粒宽度的相关性= 0.191,p <0.001。在100个突变体中,铁浓度与GWP的相关性为0.302,p <0.001,铁浓度与TGW的相关性为0.153,p <0.01,突变体表现出生物强化小麦籽粒的能力,而不会对作物生产力产生负面影响,该群体为改善籽粒参数如GA、长度、宽度和品质提供了有希望的供体。所提供的数据表明,通过辐射产生的遗传变异可用于测试各种重要的谷物参数之间的联系。
To broaden genetic variation, an irradiated wheat (Triticum aestivumL.) M5population was generated in the background of spring wheat cv. Almaken. This resource was used to measure components of productivity, including grain number and grain weight (GW) per main spike, GW per plant (GWP), 1000-grain weight (TGW), grain size and grain shape, and some quality parameters. Some mutant lines, mostly in the 200-Gy-dosed germplasm, had 2–4 times higher grain iron and zinc concentrations and 7–11% higher protein content relative to the parent line. Some irradiated lines had significantly larger TGW, and grain area (GA), length, and width than the parent, cv. Almaken. The largest GA and grain length (GL) were 30–40% greater than those of the parent. Correlations for Zn concentration versus GA = 0.191, p ˂ 0.01, grain protein content (GPC) versus GA = 0.128, p ˂ 0.05, GPC versus GL = 0.113, p ˂ 0.05, and GPC versus grain width = 0.191, p˂0.001 were observed in 200 Gy-dosed mutants. In 100 Gy-dosed mutants, correlations for Fe concentration versus GWP = 0.302, p ˂ 0.001 and Fe concentration versus TGW = 0.153, p ˂ 0.01 were found. The mutant lines showed the capacity to biofortify wheat grain without negatively impacting on crop productivity and this population offers promising donors for improving grain parameters such as GA, length, and width and quality. The data presented showed how the genetic variation generated through radiation could be used to test the linkage between various important grain parameters.
冬小麦中谷物植酸和蛋白质高度相关
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