Efekat regulatora rastenja na klijanje semena kičice (Centaurium erythraea Rafn)
The effect of plant growth regulators on centaury (Centaurium erythraea Rafn) seeds germination
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Centaury seeds are light-requiring. Long-term red light irradiation caused more than 80% of seeds to germinate. Seeds did not germinate in darkness. Gibberellic acid and GA7 can replace light, but N-substituted phtalimide AC 94,377 was ineffective. Light-induced germination was inhibited by abscisic acid and growth retardants such as ancymidol, tetcyclacis, and paclobutrazole. Growth retardant-caused inhibition can be overcome by the addition of gibberellic acid.