Analysis of cause-and-effect relationships in agronomy and plant breeding
Marcin Kozak
mkozak@wsiz.edu.plKatedra Doświadczalnictwa i Bioinformatyki, Wydział Rolnictwa i Biologii, Szkoła Główna Gospodarstwa Wiejskiego w Warszawie (Poland)
Abstract
The paper discusses the cause-and-effect relationship systems in agronomy and plant breeding systems. The systems are limited to those which contain linear relationships between random variables. The following methods and problems are discussed: path analysis, sequential yield analysis, two-dimensional partitioning of yield variation, and analysis of cause-and-effect relationships for a population of genotypes. A theoretic discussion is based on biological aspects of plant development and their interaction with environment. The paper deals also with practical aspects of analyzing cause-and-effect relationships, pointing out interpretational possibilities of the methods discussed, but also their limitations.
Keywords:
path analysis, sequential yield analysis, two-dimensional partitioning of yield variationReferences
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Authors
Marcin Kozakmkozak@wsiz.edu.pl
Katedra Doświadczalnictwa i Bioinformatyki, Wydział Rolnictwa i Biologii, Szkoła Główna Gospodarstwa Wiejskiego w Warszawie Poland
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