8816
1 - Methylcyclopropene ( 1 - MCP ) and gibberellic acid ( GA ( 3 ) ) treatments delayed the softening and ethylene peak of persimmon fruit , as well as suppressed the expression of both XTH genes , especially DKXTH1 .
 Chemical: 1 - Methylcyclopropene; Chemical: 1 - MCP; Chemical: gibberellic acid; Chemical: GA ( 3 ); Chemical: ethylene
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: 1 - Methylcyclopropene; Chemical: 1 - MCP; Chemical: gibberellic acid; Chemical: GA ( 3 ); Chemical: ethylene