Article

Euphytica

, Volume 127, Issue 3, pp 303-307

Inheritance of pollen color in hazelnut

  • Shawn A. MehlenbacherAffiliated withDept. of Horticulture, Oregon State University
  • , David C. SmithAffiliated withDept. of Horticulture, Oregon State University

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Abstract

In contrast to the yellow color of pollen of European hazelnut (Corylus avellana L.) cultivars, an unusual cream color was observed in some seedlings from self-pollination of the Sicilian cultivar ‘Montebello.’ After elimination of accidental outcrosses, the segregation fit a 3 yellow: 1 cream ratio, indicating the possibility of simple genetic control. Two seedlings with cream-colored pollen were backcrossed to their parent ‘Montebello,’ and the progeny segregated 1 yellow: 1 cream for pollen color. When two seedlings with cream-colored pollen were crossed with each other, all of the resulting seedlings had cream-colored pollen. These segregation ratios indicate that pollen color in hazelnut is controlled by a single locus with yellow dominant to cream color. The symbol pc is proposed for this locus.

chalcone isomerase chalcone synthase Corylus avellana filbert flavonoid