Variability of selected quantitative traits in recombinant inbred lines of winter squash (Cucurbita maxima Duch.)
Karolina Kaźmińska
skrzynka_ib-kghbr@sggw.edu.plKatedra Genetyki Hodowli i Biotechnologii Roślin, Szkoła Główna Gospodarstwa Wiejskiego w Warszawie (Poland)
Aleksandra Korzeniewska
Katedra Genetyki Hodowli i Biotechnologii Roślin, Szkoła Główna Gospodarstwa Wiejskiego w Warszawie (Poland)
Anna Seroczyńska
Katedra Genetyki Hodowli i Biotechnologii Roślin, Szkoła Główna Gospodarstwa Wiejskiego w Warszawie (Poland)
Grzegorz Bartoszewski
Katedra Genetyki Hodowli i Biotechnologii Roślin, Szkoła Główna Gospodarstwa Wiejskiego w Warszawie (Poland)
Katarzyna Niemirowicz-Szczytt
Katedra Genetyki Hodowli i Biotechnologii Roślin, Szkoła Główna Gospodarstwa Wiejskiego w Warszawie (Poland)
Abstract
The present study assessed the phenotypes of winter squash (Cucurbita maxima Duch.) population in terms of quantitative traits such as: average fruit weight, number of fruits per plant and marketable yield. Winter squash mapping population, developed by crossing two inbred lines of different origins and extremely diverse in terms of the studied traits, consisting of 112 recombinant inbred lines (RIL) F6 was used. The field experiments were established in a random arrangement with three replications in the years 2013 and 2014. Parental lines showed statistically significant differences in relation to the value of all the studied traits. Range of variability of all studied traits in the mapping population exceeded the values of parental lines. In case of average fruit weight the range of variation was 0.6–9.0 kg, for the average number of fruits per plant 1.0–7.5 (2013) and 1.0–11.5 (2014). In case of marketable yield, the variation range was 1.7–11.8 kg/plant (2013) and 1.26–30.0 kg/plant (2014). Heritability of the traits was: 71% for marketable yield, 70% for the average fruit weight and 82% for the average number of fruits per plant.
Keywords:
winter squash, RIL, yield, phenotypingReferences
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Authors
Karolina Kaźmińskaskrzynka_ib-kghbr@sggw.edu.pl
Katedra Genetyki Hodowli i Biotechnologii Roślin, Szkoła Główna Gospodarstwa Wiejskiego w Warszawie Poland
Authors
Aleksandra KorzeniewskaKatedra Genetyki Hodowli i Biotechnologii Roślin, Szkoła Główna Gospodarstwa Wiejskiego w Warszawie Poland
Authors
Anna SeroczyńskaKatedra Genetyki Hodowli i Biotechnologii Roślin, Szkoła Główna Gospodarstwa Wiejskiego w Warszawie Poland
Authors
Grzegorz BartoszewskiKatedra Genetyki Hodowli i Biotechnologii Roślin, Szkoła Główna Gospodarstwa Wiejskiego w Warszawie Poland
Authors
Katarzyna Niemirowicz-SzczyttKatedra Genetyki Hodowli i Biotechnologii Roślin, Szkoła Główna Gospodarstwa Wiejskiego w Warszawie Poland
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Copyright (c) 2015 Karolina Kaźmińska, Aleksandra Korzeniewska, Anna Seroczyńska, Grzegorz Bartoszewski, Katarzyna Niemirowicz-Szczytt
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