Indian Society of Genetics & Plant Breeding

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A method to verify the continuance of check varieties in multilocation yield trials – A case study in wheat

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Three statistical tools, namely relative yield, yield
responsiveness and Eberhart and Russel’s parameters,
were used for assessing the performance of three wheat
check varieties used for evaluation of coordinated
multilocation yield trials. Relative yield indices over
locations and over years revealed that the check HD2687
was the most stable one, while PBW343 showed above
optimum performance and HD2329 showed below
optimum performance. In responsiveness for yield,
HD2687 showed stable responsiveness, while PBW343
showed higher responsiveness and HD2329 recorded low
responsiveness. The study revealed that among the three
check cultivars, HD2329 may be removed as a check due
to its low yield performance, while HD2687, showing
desirable features of responsiveness along with yield
stability and PBW343 having high responsive attributes,
should be continued as checks in the years to come. The
continuance of check cultivars for multilocation yield
testing should be based on the relative yield stability and
responsiveness characteristics.
 

Keywords: Check varieties, relative yield, responsiveness, yield stability

Info

Year: 2010
Volume: 70
Issue: 1
Article DOI: N/A
Print ISSN: 0019-5200
Online ISSN: 0975-6906

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