Flowering in Xanthium strumarium: INITIATION AND DEVELOPMENT OF FEMALE INFLORESCENCE AND SEX EXPRESSION |
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| Authors: | Leonard M Kinet J M Bodson M Havelange A Jacqmard A Bernier G |
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| Affiliation: | Laboratoire de Physiologie Végétale and Centre de Physiologie Végétale Appliquée (I. R. S. I. A.), Université de Liège, Sart Tilman, B4000 Liège, Belgium. |
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| Abstract: | Vegetative plants of Xanthium strumarium L. grown in long days were induced to flower by exposure to one or several 16-hour dark periods. The distribution of male and female inflorescences on the flowering shoot was described, and a scoring system was designed to assess the development of the female inflorescences. The time of movement of the floral stimulus out of the induced leaf and the timing of action of high temperature were shown to be similar for both the apical male and lateral female inflorescences. |
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