2006•Xibei nongye xuebaoRequires access

Preliminary Study on the Fertility of the Ecotypical CMS for Brassica Napus L.

Liang Xu

Abstract

Fertility transformation was studied by seeding by stages、seeding in different regions and controlling photoperiod and temperature in phytotron.The character of fertility transformation of 501-8S was thermo-sensitive,showed male sterility in high-temperature.The temperature of fertility transformation was between 12.5℃ and 17.5℃;The photoperiod had no obvious effect on the fertility transformation.Genetic studies indicated that 501-8S was CMS line,a pair of gene controlled the fertility,and restore gene was dominant.

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Key concepts: Fertility, Phytotron, Sterility, Transformation (genetics), Biology, photoperiodism, Brassica, Agronomy