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Floral Inducing Extract from Xanthium

Howard K. Hodson, KARL C. HAMNER

Abstract

Flower formation was initiated in Lemna by acetone extracts of flowering cocklebur (Xanthium). These extracts also initiated flower formation in Xanthium when they were supplemented with gibberellic acid. No flower formation was initiated in dluckweed (Lemna) or Xanthium by extracts from vegetative Xanthium. Extracts from vegetative plants supplemented ivith gibberellic acid did not initiate flowers in Xanthium or Lemna.

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Available abstract

Key concepts: Xanthium, Gibberellic acid, Lemna, Botany, Biology, Gibberellin, Chemistry, Germination