Basic aspects of potato breeding via the diploid level

R.C.B. Hutten

Research output: Thesisinternal PhD, WU

Abstract

<p>In this thesis research is presented on all steps in a potato breeding program via the diploid level: dihaploid induction, selection at the diploid level and sexual polyploidization. In spite of the significant seed parent x pollinator interaction estimated, IVP 101 was found to have a significant higher dihaploid induction ability than the widely used pollinators IVP 35 and IVP 48. Significant differences in dihaploid production ability between seed parents were also found. Dihaploid populations from 31 varieties or breeding lines were evaluated for occurrence and frequency of mutant phenotypes, for tuberization, flowering, pollen stainability, 2n-pollen production and resistance to Ro-1. The expression of yield, yield components, vine maturity, under water weight and chip colour at the diploid and tetraploid level and the parental effects on these characters of 4x <strong>.</strong> 2x progenies were investigated to find an answer to the question whether at the diploid level other selection criteria should be employed than at the tetraploid level when selecting tetraploid breeding lines. For yield direct selection at the diploid level had no effect on the performance of tetraploid progeny. For under water weight more stringent and for vine maturity less stringent selection criteria were required at the diploid level than at the tetraploid level. The frequently reported superiority of FDR 2n-gametes versus SDR 2n-gametes could be confirmed for yield only. For vine maturity, under water weight and chip colour no considerable differences were found between means of FDR and SDR progenies from reciprocal 4x-2x crosses.
Original languageEnglish
QualificationDoctor of Philosophy
Awarding Institution
Supervisors/Advisors
  • Hermsen, J.G.T., Promotor, External person
Award date28 Sep 1994
Place of PublicationS.l.
Publisher
Print ISBNs9789054852926
Publication statusPublished - 1994

Fingerprint

dihaploidy
diploidy
tetraploidy
potatoes
breeding
vines
breeding lines
selection criteria
pollinators
germ cells
pollen
color
water
seeds
yield components
flowering
phenotype
mutants

Keywords

  • haploidy
  • polyploidy
  • mutations
  • plant breeding
  • genomes
  • solanum tuberosum
  • potatoes

Cite this

Hutten, R. C. B. (1994). Basic aspects of potato breeding via the diploid level. S.l.: Hutten.
Hutten, R.C.B.. / Basic aspects of potato breeding via the diploid level. S.l. : Hutten, 1994. 93 p.
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}

Hutten, RCB 1994, 'Basic aspects of potato breeding via the diploid level', Doctor of Philosophy, S.l..

Basic aspects of potato breeding via the diploid level. / Hutten, R.C.B.

S.l. : Hutten, 1994. 93 p.

Research output: Thesisinternal PhD, WU

TY - THES

T1 - Basic aspects of potato breeding via the diploid level

AU - Hutten, R.C.B.

N1 - WU thesis 1831 Proefschrift Wageningen

PY - 1994

Y1 - 1994

N2 - In this thesis research is presented on all steps in a potato breeding program via the diploid level: dihaploid induction, selection at the diploid level and sexual polyploidization. In spite of the significant seed parent x pollinator interaction estimated, IVP 101 was found to have a significant higher dihaploid induction ability than the widely used pollinators IVP 35 and IVP 48. Significant differences in dihaploid production ability between seed parents were also found. Dihaploid populations from 31 varieties or breeding lines were evaluated for occurrence and frequency of mutant phenotypes, for tuberization, flowering, pollen stainability, 2n-pollen production and resistance to Ro-1. The expression of yield, yield components, vine maturity, under water weight and chip colour at the diploid and tetraploid level and the parental effects on these characters of 4x . 2x progenies were investigated to find an answer to the question whether at the diploid level other selection criteria should be employed than at the tetraploid level when selecting tetraploid breeding lines. For yield direct selection at the diploid level had no effect on the performance of tetraploid progeny. For under water weight more stringent and for vine maturity less stringent selection criteria were required at the diploid level than at the tetraploid level. The frequently reported superiority of FDR 2n-gametes versus SDR 2n-gametes could be confirmed for yield only. For vine maturity, under water weight and chip colour no considerable differences were found between means of FDR and SDR progenies from reciprocal 4x-2x crosses.

AB - In this thesis research is presented on all steps in a potato breeding program via the diploid level: dihaploid induction, selection at the diploid level and sexual polyploidization. In spite of the significant seed parent x pollinator interaction estimated, IVP 101 was found to have a significant higher dihaploid induction ability than the widely used pollinators IVP 35 and IVP 48. Significant differences in dihaploid production ability between seed parents were also found. Dihaploid populations from 31 varieties or breeding lines were evaluated for occurrence and frequency of mutant phenotypes, for tuberization, flowering, pollen stainability, 2n-pollen production and resistance to Ro-1. The expression of yield, yield components, vine maturity, under water weight and chip colour at the diploid and tetraploid level and the parental effects on these characters of 4x . 2x progenies were investigated to find an answer to the question whether at the diploid level other selection criteria should be employed than at the tetraploid level when selecting tetraploid breeding lines. For yield direct selection at the diploid level had no effect on the performance of tetraploid progeny. For under water weight more stringent and for vine maturity less stringent selection criteria were required at the diploid level than at the tetraploid level. The frequently reported superiority of FDR 2n-gametes versus SDR 2n-gametes could be confirmed for yield only. For vine maturity, under water weight and chip colour no considerable differences were found between means of FDR and SDR progenies from reciprocal 4x-2x crosses.

KW - haploïdie

KW - polyploïdie

KW - mutaties

KW - plantenveredeling

KW - genomen

KW - solanum tuberosum

KW - aardappelen

KW - haploidy

KW - polyploidy

KW - mutations

KW - plant breeding

KW - genomes

KW - solanum tuberosum

KW - potatoes

M3 - internal PhD, WU

SN - 9789054852926

PB - Hutten

CY - S.l.

ER -

Hutten RCB. Basic aspects of potato breeding via the diploid level. S.l.: Hutten, 1994. 93 p.