The Effect of Temperature and Abscisic Acid on the Level of Erucic Acid in the Oil of Oilseed Rape

Autor: Linus H. W. van der Plas, Jeroen A. Wilmer, J. P. F. G. Helsper
Rok vydání: 1995
Předmět:
Zdroj: Plant Lipid Metabolism ISBN: 9789048144983
DOI: 10.1007/978-94-015-8394-7_106
Popis: In 1965 Canvin reported that the maximum level of erucic acid (22:1) in seed oil of oilseed rape (Brassica napus L.) is observed at a growth temperature of 15°C [1]. The aim of the present study is to explore some of the underlying biochemical mechanisms for this observation. The effect of temperature is different in magnitude in the two culivars tested: Reston showed a response similar to that described by Canvin, Gulle did not show any changes at all when comparing oil from plants grown at 15 or 25°C. The influence of growth temperature is most prominent when about 60% of seed development has been completed. This influence could not be observed when assaying microspore-derived embryos under similar conditions, where levels of 22:1 remained at about 20%. Addition of ABA to the medium induced an increase in 22:1, and therefore may be a factor determining the level of 22:1 in the seed oil.
Databáze: OpenAIRE