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Archive for December, 2013

Estimation of general combining ability (GCA) and prediction of hybrid performance

1.      Field design If you want to use the block effect for adjustment, be sure that hybrids with the same female are not grown in the same block, otherwise you will correct for the effect of the females. As such the randomization has to be done for the females. For example in each block 14 [...]

December 11th, 2013
Topic: Crop Science, Plant breeding Tags: None

Increasing selection gain for the target environment

1. What is the selection and the target environment The selection environment is usually managed by the breeder with regard to field design, soil homogeneity and fertilizer application. The selection environment can include managed trials genotypes are grown under a clearly defined stress. The target environment is the set of fields and future seasons in which [...]

December 3rd, 2013
Topic: Crop Science, Plant breeding Tags: None