General and specific combining ability for yield in a diallel cross among 18 maize populations (Zea mays L.)

Naspolini, E. E. G. e Gama, R. T. Vianna, José Roberto Môro

Revista brasileira de genetica · 1981 · 25 citations · 4 references

Concepts

Abstract

A study was carried out on diallcl crosses among 18 maize populations. An analysis was conducted on ear weight data using Griffing's Method 2, Model I to determine general and specific combining ability effects. General combining ability (GCA) was found to be significant but specific combining ability (SCA) was not. Both location x GCA and location x SCA interactions were found to bc significant. Thc rcsults showed that populations CMS 06 and CMS 05 have the highest GCA effects. The cross (CMS 07 x CMS 10) gave the highest SCA cffect.

References

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