7074
An increase of endogenous jasmonic acid concentration was observed only in K . obovata , both at Day 1 and at Day 49 , which suggests that this hormone plays an important role in metal tolerance under short - term and long - term metal treatment .
 Chemical: jasmonic acid
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: jasmonic acid