Correlations Between Changes in the Amount of Endogenous Phytohormones and Flowering in the Safflower ( Carthamus tinctoriusL.)
Changes in the amounts of endogenous gibberellic acid (GA 3 ), indole-3-acedic acid (IAA) and abscisic acid (ABA) during different growth periods of the safflower were studied by high-perfor-mance liquid chromatography (HPLC). A correlation was confirmed between low levels of GA 3 , as well as high levels of ABA, and the initia-tion of flowering. IAA reached its maximum level during bud formation, indicating that IAA might play an active role in the differentiation of bud formation. Changes in the amount of endogenous phytohormones in flower buds located in different parts of the plant indicate that ABA in particular plays an important role in the formation of flowering order in saf-flower.
Anahtar Kelimeler:
Carthamus tinctorius L., flowering buds, phytohormones, HPLC
Correlations Between Changes in the Amount of Endogenous Phytohormones and Flowering in the Safflower ( Carthamus tinctoriusL.)
Changes in the amounts of endogenous gibberellic acid (GA 3 ), indole-3-acedic acid (IAA) and abscisic acid (ABA) during different growth periods of the safflower were studied by high-perfor-mance liquid chromatography (HPLC). A correlation was confirmed between low levels of GA 3 , as well as high levels of ABA, and the initia-tion of flowering. IAA reached its maximum level during bud formation, indicating that IAA might play an active role in the differentiation of bud formation. Changes in the amount of endogenous phytohormones in flower buds located in different parts of the plant indicate that ABA in particular plays an important role in the formation of flowering order in saf-flower.
Keywords:
Carthamus tinctorius L., flowering buds, phytohormones, HPLC,
- ISSN: 1300-0152
- Yayın Aralığı: Yılda 6 Sayı
- Yayıncı: TÜBİTAK
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