Biuletyn Instytutu Hodowli i Aklimatyzacji Roślin, Bulletin of Plant Breeding and Acclimatization Institute, Open Access Journal
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The analysis of progeny yield of potato as influenced by mother tuber size and cultivar

Krystyna Zarzyńska

k.zarzynska@ihar.edu.pl
Instytut Hodowli i Aklimatyzacji Roślin, Oddział w Jadwisinie (Poland)


Abstract

In the years 1999–2002 the experiments aimed to determine the relationships between size of mother tuber and some traits of progeny yield were conducted. In total, 13 cultivars from different groups of earliness and suitabilities were tested. Within each cultivar, tubers ranging in weight from below 20 g up to 200 g were divided into groups, every 20 g in weight. Each group comprised 10 tubers. The following elements of yield were examined: number of tubers per stem and plant, yield of tubers per stem and plant, and average weight of tubers. The linear relationships between the weight of mother tuber and most of the yield features were found. Increase in the size of seed tuber effected: increased number of stems per plant, increased number of tubers per plant, increased tuber yield per plant, decreased number of tubers per stem, decreased tuber yield per stem, and declined average tuber mass. Differences between the cultivars in all of the tested yield traits were also observed. The increased tuber yield per plant, resulting from the increased number of stems, was due to the greater number of tubers per plant but not to the enlarged weight of particular tubers. The following path of relationships could be established: the bigger mother tuber → the greater number of stems → the greater number of progeny tubers → the higher yield → the lower weight of one tuber. The results obtained can be used to regulate a number of stems per plant to obtain tubers of the size that will be most suitable for the given sort of potato production.


Keywords:

potato stem, tuber, yield

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Published
2004-06-30

Cited by

Zarzyńska, K. (2004) “The analysis of progeny yield of potato as influenced by mother tuber size and cultivar”, Bulletin of Plant Breeding and Acclimatization Institute, (232), pp. 15–21. doi: 10.37317/biul-2004-0064.

Authors

Krystyna Zarzyńska 
k.zarzynska@ihar.edu.pl
Instytut Hodowli i Aklimatyzacji Roślin, Oddział w Jadwisinie Poland

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Copyright (c) 2004 Krystyna Zarzyńska

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