Plant competition in plant breeding trials with pea (Pisum sativum L.)
Part II. Neighbour interference
Aneta Stawiana-Kosiorek
kghb@uwm.edu.plKatedra Hodowli Roślin i Nasiennictwa, Uniwersytet Warmińsko-Mazurski w Olsztynie (Poland)
Janusz Gołaszewski
Katedra Hodowli Roślin i Nasiennictwa, Uniwersytet Warmińsko-Mazurski w Olsztynie (Poland)
Abstract
The objective of the study was to estimate the competition effects as the interference between plants in adjacent plots and inside the plot. The study was based on the four field experiments with morphologically and physiologically differentiated genotypes of pea (Pisum sativum L. sensu lato). The experiments were performed in plots of different size. Two traits, plant height and seed yield, were analyzed. More or less pronounced competition effects upon each of the two traits were noticed in each experiment. However the effects were statistically significant only for the 1-row plot experiments. It was shown that competition effects in pea breeding field experiments could affect the reliability of experimental results. Thus, in a phase of planning the experiment, it is essential to consider all potential competition effects and, if necessary, take into consideration available technical and statistical methods to reduce or eliminate a disadvantageous influence of plant competition on the estimation of genotypes.
Keywords:
experimental field, neighbour effect, pea, plant competitionReferences
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Authors
Aneta Stawiana-Kosiorekkghb@uwm.edu.pl
Katedra Hodowli Roślin i Nasiennictwa, Uniwersytet Warmińsko-Mazurski w Olsztynie Poland
Authors
Janusz GołaszewskiKatedra Hodowli Roślin i Nasiennictwa, Uniwersytet Warmińsko-Mazurski w Olsztynie Poland
Statistics
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