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Studies on sterility in potato

IV. Genetics of incompatibility in solanum aracc-papa

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Summary

In this paper the genetic behaviour of incompatibility of S. aracc-papa is given. Experimental results have shown that the normal homomorphic type of incompatibility system in S. aracc-papa is modified by an additional factor ‘R’ which when present in the style either in homozygous or heterozygous condition prevents all pollen tubes carrying S alleles from effecting fertilization.

Samenvatting

Solanum aracc-papa geeft bij zelfbestuiving geen bessen als gevolg van zelf-incompatibiliteit. Kruisingen met verschillende diploide soorten gelukken alleen indien S. aracc-papa als vader wordt gebruikt. Deze eigenschap wordt overgedragen op de nakomelingschap.

Schr. verklaart de reciproke verschillen der kruisingen door aan te nemen, dat behalve de S-factor een, onafhankelijk daarvan verervend, gen R bij S aracc-papa optreedt, dat in planten met een homozygoot dominante of een heterozygote samenstelling belet, dat overigens tot bevruchting in staat zijnde stuimeelkorrels aan de bevruchting deelnemen.

De erfelijke samenstelling van S. aracc-papa wordt aangeduid met S12 S13 R1 R1, die van S. subtilius met S1 S2 r1 r1.

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References

  1. Bukasov, S. M., The potatoes of South America and their breeding possibilities. Bull. Appl. Bot. Leningrad, Suppl. 58 (1933) 192 pp.

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  3. Pushkarnath, Studies on sterility in potatoes. I. The genetics of self-and cross-incompatibility. Indian J. Genet. Pl. Breed. 2 (1942): 11–36.

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Authors and Affiliations

  1. Potato Breeding Station, Simla

    Pushkarnath

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  1. Pushkarnath
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Pushkarnath Studies on sterility in potato. Euphytica 2, 49–58 (1953). https://doi.org/10.1007/BF00035742

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  • DOI: https://doi.org/10.1007/BF00035742

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