Register      Login
Crop and Pasture Science Crop and Pasture Science Society
Plant sciences, sustainable farming systems and food quality
RESEARCH ARTICLE

Flowering responses of 48 lines of oilseed rape (Brassica spp.) to vernalization and daylength

LF Myers, KR Christian and RJ Kirchner

Australian Journal of Agricultural Research 33(6) 927 - 936
Published: 1982

Abstract

Forty-eight lines of Brassica spp, of diverse origins were grown in the glasshouse either under natural daylengths or daylengths extended to 16 h by artificial illumination. Plants were either unvernalized or had been subjected to 6 weeks at 8¦C day and 6¦C night temperatures as seedlings. Lines could be classified into two major groups, according to whether or not vernalization or long photoperiods were essential for 50% flowering within 21 weeks. In six lines, both vernalization and long days were essential for prompt flowering, while only five lines did not respond to either treatment. Strong interactions between lines and treatments were found in the number of leaves and subtended buds at flowering. The results show that a wide range of responses is obtainable from material currently available, offering considerabk, scope for adaptation to different environments.

https://doi.org/10.1071/AR9820927

© CSIRO 1982

Committee on Publication Ethics


Export Citation Get Permission

View Dimensions