In order to improve the characteristics of barley grain, the researchers used
one hundred and twenty-five barley as materials and divided them into three
different classification based on phenotypic traits of row-type, hulled and
hulless, and domestication level, then compared the differences of grain weight
(GW), grain length (GL), grain width (GWid) and grain thickness (GT) among the
classifications.Correlation analysis was performed among grain traits in this
study.
The results show that:
-
The GW is related with row-type, but has no relations with the
characters of hulled or hulless. The GW value of two-rowed barley (46.89
mg) is higher than that of six-rowed barley (35.71 mg)
-
The GL of hulled barley and two-rowed barley are respectively
higher than that of hulless barley and six-rowed barley, and the wild
barley has the longest GL of 13.19mm. Moreover, domestication and breeding
can shorten the GL
-
The GWid value of two-rowed barley (3.55 mm) is higher than
that of six-rowed barley (3.26 mm), and there is no significant difference
in GWid between hulled and hulless barley
-
The variation of GT is similar with the trend of the GWid, and
wild barley has the minimum GT of 1.69 mm
The correlation analysis shows that GW is significantly correlated with GWid
and GT, and the relationship between GWid and GT is significant positive
correlation.
*Report delivered by Chen Xiaodong, Zhao Bin, Ji Changhao and Wang
Rui from the Crop Research Institute of Anhui Academy of Agricultural Sciencs;
Gu Jiangtao from the Institute of Plant Protection and Agricultural Products
Quality Safety of Anhui Academy of Agricultural Sciences.
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