Plant growth regulator--Zeatin Appearance: White or yellow powder Purity:98% Melting point :208- ... co used with auxins, concentration 1ppm.2. Promotes fruit set. Zeatin 100ppm+GA3 500ppm+NAA20ppm, sprayed at 10th, 25th, 40th day ... , sprayed.Also applied to stimulate seed germination and seedling growth. Zeatin CAS 1637-39-4 (Sythetic Cytokinin)