The effect of chlormequat and paclobutrazol treatment on safflower (Carthamus tinctorius L.) growth and flowering
2008
Jiří Uher
The responses of six safflower varieties (Carthamus tinctorius L.) to chlormequat and paclobutrazol treatments were monitored. Although a chlormequat application did not bring about any significant differences in flowering or morphological traits, plants treated with paclobutrazol were shorter and had a higher number of flower heads. However, contrary to expectations, treatment by paclobutrazol also made flowering earlier. This does not appear to support the idea that safflower is a typical long-day plant, progressing to floral induction and stem elongation after vernalization in the winter at the leaf-rosette stage).
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