《Table 5–AMMI adjusted combined mean grain yield (t ha-1) , IPCA scores of 33 cowpea mutant genotype

《Table 5–AMMI adjusted combined mean grain yield (t ha-1) , IPCA scores of 33 cowpea mutant genotype   提示:宽带有限、当前游客访问压缩模式
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《Genotype-by-environment interaction for grain yield among novel cowpea(Vigna unguiculata L.) selections derived by gamma irradiation》


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IPCA,interaction principal component axis;ASV,AMMI stability.E1,Bagani 2014/2015;E2,Bagani 2015/2016;E3,Mannheim 2014/2015;E4,Mannheim 2015/2016;E5,Omahenene 2014/2015;E6,Omahenene 2015/2016.See codes of genotypes(G1 to G37)in Table 3.

The study was conducted at three sites:Bagani(-18°09′61.93″S,21°56′24.14″E),Mannheim(19°12′21.4″S,17°42′29.1″E),and Omahenene(-17°44′29.04″S,14°78′48.21″E)during the 2014/2015 and 2015/2016 cropping seasons.This plan provided six testing environments including Bagani 2014/2015,Bagani2015/2016,Mannheim 2014/2015,Mannheim 2015/2016,Omahenene 2014/2015,and Omahenene 2015/2016.The physicochemical properties of soils at Bagani,Mannheim and Omahenene research sites are described by Horn et al.[14].Mean monthly and total rainfall(mm)at the three sites during 2014/2015 and 2015/2016 are presented in Table 1.The study used 37 cowpea genotypes comprising 34 newly developed mutant lines,selected for their superior agronomic performance,and three parental checks(Bira,Nakare and Shindimba).The mutants were at the M6 generation in 2014/2015 and M7 in 2015/2016.Details of the genotypes are presented in Table 2.