lineXtester | R Documentation |
It makes the Line x Tester Genetic Analysis. It also estimates the general and specific combinatory ability effects and the line and tester genetic contribution.
lineXtester(replications, lines, testers, y)
replications |
Replications |
lines |
Lines |
testers |
Testers |
y |
Variable, response |
ANOVA with parents and crosses
ANOVA for line X tester analysis
ANOVA for line X tester analysis including parents
GCA Effects: Lines Effects, Testers Effects and SCA Effects.
Standard Errors for Combining Ability Effects.
Genetic Components.
...
Proportional contribution of lines, testers and their interactions to total variance
return anova(formula = Y ~ Replications + Treatments).
where the Treatments contains parents, crosses and crosses vs Parents.
The crosses contains Lines, Testers and its interaction .
Felipe de Mendiburu
Biometrical Methods in Quantitative Genetic Analysis, Singh, Chaudhary. 1979. Hierarchial and factorial mating designs for quantitative genetic analysis in tetrasomic potato. R. Ortis; A.Golmirzaie. Theor Appl Genet (2002) 104:675-679
AMMI
# see structure line by testers
library(agricolae)
# example 1
data(heterosis)
site1<-subset(heterosis,heterosis[,1]==1)
output1<-with(site1,lineXtester(Replication, Female, Male, v2))
# example 2
data(LxT)
str(LxT)
output2<-with(LxT,lineXtester(replication, line, tester, yield))
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