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Effect of selection for chip colour on some economic traits of potatoes



Effect of selection for chip colour on some economic traits of potatoes



Plant Breeding 113(4): 312-317



The objective of this study was to investigate the effects of selection for chip colour after harvest (CH), after storage at 12.8 degree C (CR), and after storage at 3 degree C (CC) on maturity, yield, tuber size and specific gravity. Three hybrid populations of random clones were used in this study. The parents plus seven other cultivars were also evaluated, as checks. Experiments were carried out at Benton Ridge and at Fredericton, NB, in 1991. The experimental design was an augmented block. Clones of populations were non-replicated and distributed randomly in the experiment. Check cultivars were replicated four times in a randomized complete block design. Negative responses were predicted for maturity, marketable and total yield, and tuber size (agronomic traits) and positive response for specific gravity in varying amounts for the three populations by selection for the three chip quality traits (CH, CR and CC). Therefore, selection for CH, CR and CC and the agronomic traits could not be made without some adverse effects on each other, whereas chip quality traits and specific gravity could be improved simultaneously.

Accession: 002604379

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DOI: 10.1111/j.1439-0523.1994.tb00741.x



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