The influence of temperature and nitrogen fertilization on fatty acids in leaves of rye‐grass (Lolium Perenne)

Abstract

Lofiurn, perenne cv. Biffion was g r o w n at three different levels of nitrogen-nutrition and at 15 " C and 30 "C respectively. Increasing doses of nitrogen stimulated the lipid-, protein-and chlorophyll content in leaves and resulted in a promotion of linolenic acid.L o w growth temperatures also favour the percentage of linolenic acid in leaves, galactolipids and chloroplasts. A process of adaptation to low temperatures and t h e maintenance of a certain membrane permeability is suggested.