I-Gibberellik iyi-hormone ebalulekile elawula ukuthuthukiswa kwezitshalo eziphakeme futhi idlala indima ebalulekile ekukhuleni nasekuthuthukisweni kwezitshalo.Isetshenziswa ezitshalweni ezifana namazambane, utamatisi, irayisi, ukolweni, ukotini, ubhontshisi wesoya, ugwayi, nezihlahla zezithelo ukukhuthaza ukukhula kwazo, ukuhluma, ukugeleza...
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