Biuletyn Instytutu Hodowli i Aklimatyzacji Roślin, Bulletin of Plant Breeding and Acclimatization Institute, Open Access Journal
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Multiple analyses of traits determining grain yield of inbred lines and hybrids F1 of maize

Władysław Kadłubiec

kghrin@upwr.edu.pl
Katedra Hodowli Roślin i Nasiennictwa, Akademia Rolnicza we Wrocławiu (Poland)

Rafał Kuriata


Katedra Hodowli Roślin i Nasiennictwa, Akademia Rolnicza we Wrocławiu (Poland)


Abstract

Yield is the most important and complex trait. Many other traits influence yield and they do not always play an essential role in a breeding process. The recognition of dependencies between traits and between parents and descendants can greatly improve selection and choosing of proper lines for crossing. The main aim of this study was to show the relationships between yield and yield structure traits in 28 F1 hybrids and 8 parental lines of maize. Data were recorded for the following parameters: plant height, ear height, ear length and diameter, number of grain rows, grain yield per ear, tillering, proportion of smutty plants, percent age of grain in ear, dry matter content and grain yield. To examine the dependencies between yield and other traits correlation and regression analyses were performed. The yield of hybrids was determined by grain yield from one ear and plant height.


Keywords:

correlation, maize, traits, yield, multiple regression

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Published
2004-03-31

Cited by

Kadłubiec, W. and Kuriata, R. (2004) “Multiple analyses of traits determining grain yield of inbred lines and hybrids F1 of maize”, Bulletin of Plant Breeding and Acclimatization Institute, (231), pp. 419–424. doi: 10.37317/biul-2004-0148.

Authors

Władysław Kadłubiec 
kghrin@upwr.edu.pl
Katedra Hodowli Roślin i Nasiennictwa, Akademia Rolnicza we Wrocławiu Poland

Authors

Rafał Kuriata 

Katedra Hodowli Roślin i Nasiennictwa, Akademia Rolnicza we Wrocławiu Poland

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Copyright (c) 2004 Władysław Kadłubiec, Rafał Kuriata

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