ORIGINAL ARTICLE
A mildew infection resistance study of winter barley varieties and their mixtures by the logistic model
Ewa Bakinowska 1, C-D,F  
,  
Anna Tratwal 2, B,D
,  
Kamila Nowosad 3, A,D
,  
 
 
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1
Institute of Mathematics, Poznan University of Technology, poznan, Poland
2
Department of Pests Methods Forecasting and Plant Protection Economy, Institute of Plant Protection, National Research Institute, Poznan, Poland
3
Department of Genetics, Plant Breeding and Seed Production, Wroclaw University of Environmental and Life Sciences, Wroclaw, Poland
4
Department of Mathematical and Statistical Methods, Poznan University of Life Sciences, Poznan, Poland
A - Research concept and design; B - Collection and/or assembly of data; C - Data analysis and interpretation; D - Writing the article; E - Critical revision of the article; F - Final approval of article
CORRESPONDING AUTHOR
Ewa Bakinowska   

Institute of Mathematics, Poznan University of Technology, ul. Piotrowo 3A, 60-965, Poznan, Poland
Online publication date: 2020-06-01
Submission date: 2020-01-13
Acceptance date: 2020-03-16
 
Journal of Plant Protection Research 2020;60(2):207–214
KEYWORDS
TOPICS
ABSTRACT
Biological diversity within a mixture field allows for better use of habitat and agro-technical conditions by the mixtures, which can be seen by higher and more stable yields than varieties sown separately. Our studies were conducted in the growing seasons 2011/2012–2014/2015 as field experiments with four winter barley varieties (Bombaj, Gil, Gregor, Bażant) and three, two- and three-component mixtures (Bombaj/Gil, Bombaj/Gregor, Gil/Gregor/Bażant). Seven different chemical treatments with fungicides were applied. The aim of this study was to compare the different varieties of winter barley with their mixtures for resistance to powdery mildew infection. To achieve this aim the logistic model for the analysis of data was used. Of the varieties under consideration, the best and the most resistant variety was Gregor, while the weakest and the most susceptible to diseases (powdery mildew) was Gil. This variety was also significantly weaker than any of the other mixtures taken into account. Moreover, it was so weak that when it was included in mixtures with other varieties, it weakened these mixtures as well.
CONFLICT OF INTEREST
The authors have declared that no conflict of interests exist.
FUNDING
This study was partially funded by the Ministry of Science and Higher Education (grant number 04/43/DSPB/0088)
 
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