Abstracts of papers presented at the Fifty-Second Annual Meeting of The Potato Association of America

Crozier, Jennifer A.; Ito, P. J.; Fermin, Puente De La; Peloquin, S. J.; Severino, Patrícia; Doll, E. C.; Christenson, D. R.; Wolcott, A. R.; Hawkins, Arthur; Howard, Francis; Timm, H.; Flocker, W. J.; Yamaguchi, Motomu; Iritani, W. M.; Jones, Edward; Martinson, C. A.; Foley, E. S.; Johnston, Ed; Kunkel, Rebecca; Holstad, N.; Holland, R. C.; Marlowe, G. A.; Baghott, K. G.; Schweers, V. H.; Bishop, James; Mellor, F. C.; Stace-Smith, R.; Miller, Philip; Momeni, Djamchid A.; Plaisted, R. L.; Peterson, L. C.; Harrison, M. B.; Paul, Muneta; Murphy, H. J.; Goven, M. J.; Campbell, John C.; Harrington, J. D.; Dallyn, S. L.; Nelson, D. C.; Scholz, Evi; Pavek, J. J.; Soltanpour, P. N.; Sparks, Walter C.; Corren, W. B.; Walker, J. G.; Soltanpour, P. M.; Weaver, Mark; Hautala, E.

doi:10.1007/bf02851021

American Potato Journal

1968

DOI: 10.1007/bf02851021

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Abstracts of papers presented at the Fifty-Second Annual Meeting of The Potato Association of America

Jennifer A. Crozier

P. J. Ito

Puente De La Fermin

et al.

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Comparison of different pollen viability assays to evaluate pollen fertility of potato dihaploids

Trognitz¹

1991

Euphytica

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The main obstacle in breeding potato (Solanum tuberosum L.) dihaploids is the severe limitation of male fertility. To determine pollen viability assays that correlate well to fertility in crosses, results of five different pollen viability assays were compared by correlation analysis with fruit and seed set characters in test crosses, and to pollen tube growth in situ (PL-test). The methods used were: staining the pollen cells with carmino acetic acid (CAA-test); in vitro pollen germination (PG-test); and detection of pollen staining rates after incubation with fluoresceine diacetate (FDA-test), 2-3-5-triphenyle tetrazolium chloride (TTC-test), and 5-bromo-4-chloro-3-indolyle-~-galactoside (X-Gal-test).The results oftest crosses and pollen tube growth in situ correlated with the results of all other assays with the following ranking, from highest to lowest: enzyme activity assays (X-Gal-test, FDA-test, TTC-test), in vitro pollen germination (PG-test), and pollen staining by CAA. The newly developed X-Gal-test for monitoring [3-galactosidase activity showed the least variation of all assays investigated. Thus, this highly reproducible simple procedure is recommended for male fertility screening.

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Comparison of different pollen viability assays to evaluate pollen fertility of potato dihaploids

Trognitz¹

1991

Euphytica

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The inheritance and expression of sterility in hybrids of dihaploid and cultivated diploid potatoes

Carroll

1975

Genetica

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The male fertility of primary and further generation dihaploids ofSolanum tuberosum

Maine¹

1997

Potato Res

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Male sterility in dihaploids of Solamtm tttberosum is often a barrier to their utilization in breeding and gcnetical studies. Although the male I'ertility of primary dihaploids (obtained directly from tetraploids) was generally low, a few were produced by the author which produced seed when used as pollen parents on female fertile dihaploids. The population of further generation dihaploids (from dihaploid intercrosses) produced from them showed a marked improvement in male fertility. Comparative data from measurements of different aspects of male fertility in dihap[oids are presented. These showed that the weight of pollen per anther, the percentage of (iodine) stainable pollen and the number of seeds per berry were greater in further generation dihaploids than in primary dihaploids.It is suggested that interspecilic crosses using dihaploids are not necessarily useful for increasing male fertility in diploid potatoes. The advantages of breeding at the diploid level within S. tuherosum are discussed. Rare male-fertile dihaploids could be used to generate diploids with a high frequency of male fertility. These could then be used to cross with any other Ilowering dihaploids to combine characters at the diploid level, so exploiting the simpler genetic ratios associated with disomic inheritance.

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Abstracts of papers presented at the Fifty-Second Annual Meeting of The Potato Association of America

Cited by 7 publications

References 0 publications

Comparison of different pollen viability assays to evaluate pollen fertility of potato dihaploids

Comparison of different pollen viability assays to evaluate pollen fertility of potato dihaploids

The inheritance and expression of sterility in hybrids of dihaploid and cultivated diploid potatoes

The male fertility of primary and further generation dihaploids ofSolanum tuberosum

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