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Dependence of yield on some agronomic traits in wheat breeding experiments

Tadeusz Drzazga

kobierzyce@nasiona.com.pl
Hodowla Roślin Rolniczych — Nasiona Kobierzyc (Poland)

Paweł Krajewski


Instytut Genetyki Roślin PAN w Poznaniu (Poland)


Abstract

The paper describes results of analysis of correlations between grain yield of winter wheat and the following traits: winterhardiness, earliness, plant height, lodging, 1000 grain weight and resistance to main pathogens, obtained from the series of pre-registration trials conducted in the years 1991–2004. The most significant correlation with yield, which has increased over the years, was discovered for winterhardiness. It was noted that significant correlation of yield and winterhardiness is often linked with high contribution of the locality to the total genotype by environment interaction. The effect of lodging and resistance to leaf septoria on yield was also substantial, while that of the other pathogens was insignificant. Negative correlations with yield were observed only for the number of days to heading. The conclusions given in the paper are relevant for choosing selection strategies directed to breeding genotypes with better agricultural value.


Keywords:

genotype by environment interaction, correlations of traits, winter wheat, yield

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Published
2006-09-29

Cited by

Drzazga, T. and Krajewski, P. (2006) “Dependence of yield on some agronomic traits in wheat breeding experiments”, Bulletin of Plant Breeding and Acclimatization Institute, (240/241), pp. 5–11. doi: 10.37317/biul-2006-0030.

Authors

Tadeusz Drzazga 
kobierzyce@nasiona.com.pl
Hodowla Roślin Rolniczych — Nasiona Kobierzyc Poland

Authors

Paweł Krajewski 

Instytut Genetyki Roślin PAN w Poznaniu Poland

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Copyright (c) 2006 Tadeusz Drzazga, Paweł Krajewski

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