Vollmann


Die Bodenkultur - Journal for Land Management, Food and Environment

J. VOLLMANN and P. RÜCKENBAUER:

Estimation of Outcrossing Rates in Crambe (Crambe abyssinica Hochst. Ex. R. E. Fries) Using a Dominant Morphological Marker Gene

Summary

A dominant marker gene controlling leaf pubescence has been used to measure outcrossing in crambe (Crambe abyssinica Hochst. Ex. R. E. Fries), a cruciferous crop species producing a seed oil with high content of erucic acid. In experimental plots, outcrossing rates within the range of 4.8 to 10.7 per cent have been determined in different types of plots between dominant and recessive genotypes. Overall outcrossing rates of 9 to 14.3 per cent considering both inter- and intragenotypic cross-pollination, have been calculated.