Naphthalene acetic acid (NAA) shine mai sarrafa ci gaban shuka na roba wanda ke cikin rukunin naphthalene na mahadi. Yana da m crystalline mara launi, mai narkewa a cikin ruwa da kwayoyin kaushi. Naphthalene acetic acid (NAA) ana amfani da shi sosai a fagen ka'idojin haɓaka shuka, musamman yana taka muhimmiyar rawa wajen haɓaka da haɓakar bishiyoyi, kayan lambu da furanni.

Chlormequat chloride (CCC) antagonist ne na gibberellins. Babban aikinsa shi ne hana biosynthesis na gibberellins. Yana iya hana haɓakar kwayar halitta ba tare da ya shafi rabon tantanin halitta ba, hana ci gaban mai tushe da ganye ba tare da rinjayar ci gaban sassan jima'i ba, don haka samun iko. na elongation, tsayayya da masauki da haɓaka yawan amfanin ƙasa.

Gibberellic acid (GA3) na iya inganta ci gaban iri, girma shuka, da farkon fure da 'ya'yan itace. An yi amfani da shi sosai a cikin kayan amfanin gona iri-iri, har ma an fi amfani dashi a cikin kayan lambu.Yana da tasiri mai mahimmanci akan samarwa da ingancin amfanin gona da kayan lambu.