24533
The content of nutrient elements in rice seedlings exposed to exogenous SCN ( - ) was variable , while the effects were more evident at the highest SCN - treatment ( p < 0 . 05 ) .
 Chemical: SCN ( - ); Chemical: SCN
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: SCN ( - ); Chemical: SCN