Differences in Yield and Quality of New Rice Varieties(Combinations)in Guizhou Province
[Objective]The differences in yield and rice quality among new rice varieties(combinations)in Guizhou were explored,which provided the theoretical basis for breeding and cultivating high yield and quality rice varieties.[Method]The differences in yield and its components,rice processing and appearance quality,nutritional quality,cooking and eating quality,and starch RVA profile characteristics of rice among 13 new rice varieties(combinations),including G You 325,Guifengyou 998,Taifengyou 118,Xingxiangyou 1101,Liliyou 118,Qianxiangyou 100,Liangyou 127,Taifengyou 111,Quanyou 118,Luyou 330,Yuanxiangyou 113,Liangyou 819 and Liangyou Jinzhuxiang were studied by the field experiment.[Result]The yield of 13 new rice varieties(combinations)was 8.34-12.25 t/hm2,among which G You 325,Guifengyou 998,Liangyou 127,Quanyou 118,and Luyou 330 had the relatively high grain yield,with the excellent synergistic effect of effective panicle number,the grain number per panicle,setting rate and 1000-grain weight of these new varieties(combinations).The eating quality of G You 325,Xingxiangyou 1101,Qianxiangyou 100,Liangyou 127 and Luyou 330 were relatively better,but G You 325,Qianxiangyou 100 and Luyou 330 had the higher chalkiness rate and chalkiness degree.The comprehensive quality of Xingxiangyou 1101 and Liangyou 127 were more superior.[Conclusion]Considering yield and rice quality,G You 325,Liangyou 127 and Luyou 330 show the higher yield and excellent eating quality,especially Liangyou 127 both has superior processing and appearance quality,which can be further promoted and applied in the local area.
ricenew varietiescombinationyieldqualityG You 325Liangyou 127Luyou 330
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