Pleiotropic effects of Ppd1 gene on yield and its components in recombinant lines of common wheat

Danuta Miazga

dziekanat.agbioinz@up.lublin.pl
Instytut Genetyki i Hodowli Roślin, Akademia Rolnicza, Lublin (Poland)

Anthony J. Worland


John Innes Centre, Norwich, Anglia (United Kingdom)

Krzysztof Kowalczyk


Instytut Genetyki i Hodowli Roślin, Akademia Rolnicza, Lublin (Poland)

Maria Chrząstek


Instytut Genetyki i Hodowli Roślin, Akademia Rolnicza, Lublin (Poland)

Edyta Paczos


Instytut Genetyki i Hodowli Roślin, Akademia Rolnicza, Lublin (Poland)

Abstract

Pleiotropic effects of the Ppd1 genes on yield and its components were investigated using homozygous recombinant lines: Avalon (Mara 2D), Avalon (Ciano 2D), Brigand (Mara 2D), Brimstone (Mara 2D), Brimstone (Ciano 2D), Mercia (Mara 2D), Norman (Mara 2D), Randezvous (Mara 2D) and parental cultivars Avalon, Brigand, Brimstone, Mercia, Norman and Randezvous. Experiments were carried out over two seasons (1997/1998, 1998/1999) in the experimental farm in Czeslawice. Every year about 550 germinated kernels per m2 were machine-sown on 5 m2 plots in four replicates. Number of days from May 1st until full ear emergence, plant height, number of spikelets per spike, number of grains per ear, weight of grains in ear, 1000 grain weight, spikelet fertility and plot yield were analyzed. During two seasons the recombinant lines with the Ppd1 gene showed accelerated ear emergence. The differences between the analyzed recombinant lines and their control (cultivars with the Ppd1 gene) were significant. Value of some yield components depended mainly on a year and to a lower degree, on recombinant lines.


Keywords:

day length insensitivity genes (Ppd1), yield components, recombinant lines, common wheat

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Published
2001-09-28

Cited by

Miazga, D. (2001) “Pleiotropic effects of Ppd1 gene on yield and its components in recombinant lines of common wheat ”, Bulletin of Plant Breeding and Acclimatization Institute, (218/219), pp. 49–55. doi: 10.37317/biul-2001-0033.

Authors

Danuta Miazga 
dziekanat.agbioinz@up.lublin.pl
Instytut Genetyki i Hodowli Roślin, Akademia Rolnicza, Lublin Poland

Authors

Anthony J. Worland 

John Innes Centre, Norwich, Anglia United Kingdom

Authors

Krzysztof Kowalczyk 

Instytut Genetyki i Hodowli Roślin, Akademia Rolnicza, Lublin Poland

Authors

Maria Chrząstek 

Instytut Genetyki i Hodowli Roślin, Akademia Rolnicza, Lublin Poland

Authors

Edyta Paczos 

Instytut Genetyki i Hodowli Roślin, Akademia Rolnicza, Lublin Poland

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