SELECT mutated_from FROM table_name_39 WHERE plant_patent_number = "us plant patent 9645"
CREATE TABLE table_name_39 (mutated_from VARCHAR, plant_patent_number VARCHAR)
พันธุ์กลายมีเลขสิทธิบัตรสิทธิบัตรพืช US 9645 คืออะไร?
What's the mutated having a patent number of US plant patent 9645?