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Biochemical composition of maize (Zea mays L.) pollen

II. Effects of the endosperm mutants, waxy (wx), shrunken (sh 2) and sugary (su 1) on the carbohydrate and lipid percentage

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Summary

Mean percentages of sugars, water-soluble polysaccharides, starch, total carbohydrates and lipids were 40.1, 7.4, 28.6, 76.1, and 1.8 respectively. Differences among the mutants were found only for water-soluble polysaccharides with both wx and sh 2 decreasing the percentage a small but significant amount. In terms of the various carbohydrates measured, no correlation was found between the expression of these mutants in the pollen and the kernel.

Zusammenfassung

Die Untersuchung des Kohlenhydrat- und Lipid-Gehaltes im Pollen der Endosperm-Mutanten waxy, shrunken und sugary vom Mais ergab einen gemittelten Gehalt an Zucker von 40,1%, wasserlöslichen Polysacchariden 7,4%, Stärke 28,6, Gesamtkohlenhydraten 76,1% und Lipiden 1,8%.

Unterschiede zwischen den Mutanten wurden lediglich hinsichtlich der wasserlöslichen Polysaccharide gefunden, und zwar bei wx und sh 2, die einen signifikant niedrigeren Gehalt aufwiesen.

Hinsichtlich der verschiedenen analysierten Kohlenhydrate wurde keine Korrelation zwischen der Expression der Mutanten im Pollen und in den Karyopsen gefunden.

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Authors and Affiliations

  1. Department of Agronomy, University of Florida, Gainesville, Florida, USA

    P. L. Pfahler & H. F. Linskens

  2. Department of Botany, University of Nijmegen, Nijmegen, The Netherlands

    P. L. Pfahler & H. F. Linskens

Authors
  1. P. L. Pfahler
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  2. H. F. Linskens
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Additional information

Communicated by H. F. Linskens

Herrn Professor Dr. J. Straub (Köln-Vogelsang) zu seinem 60. Geburtstag gewidmet.

Journal Series Paper No. 3621, Florida Agricultural Experiment Station.

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Pfahler, P.L., Linskens, H.F. Biochemical composition of maize (Zea mays L.) pollen. Theoret. Appl. Genetics 41, 2–4 (1971). https://doi.org/10.1007/BF00279290

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  • DOI: https://doi.org/10.1007/BF00279290

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