Articles
SALICYLIC ACID LEVELS IN ARABIDOPSIS THALIANA AFTER TREATMENTS WITH PSEUDOMONAS SYRINGAE OR SYNTHETIC INDUCERS
Article number
381_45
Pages
367 – 370
Language
Abstract
The appearance of pathogenesis related (PR) proteins and the levels of salicylic acid (SA) were measured after soil-drench applications of SA and 2,6-dichloroisonicotinic acid (INA) as well as after infection with Pseudomonas syringae.
The earliest significant increase in SA occured 2 days post inoculation with P. syringae. After 9 days the levels reached 1.5 and 15μg/g FW for free and bound SA respectively, corresponding to respective increases of 12- and 8-fold over control plants.
Treatments with INA induced an 8-fold accumulation of bound SA in the leaves.
Despite different endogenous levels of SA, all treatments induced resistance against further infection and similar amounts of PR proteins.
Authors
K. Summermatter, Ph. Meuwly, W. Mölders, J.-P. Métraux
Keywords
Online Articles (122)
