Influence of light quality and intensity on adventitious root formation in micr...

• Autor(es): Ragonezi, Carla ; Castro, Mário Rui Basílio ; Klimaszewska, Krystyna ; Lima, Mónica ; Zavattieri, Maria Amely
• Data: 2010
• Identificador Persistente: http://hdl.handle.net/10174/6432
• Origem: Repositório Científico da Universidade de Évora
• Assunto(s): Stone pine; micropropagation; Gro-lux lamps; Cool-white lamps
• Tipo de Documento: Artigo
• Idioma: Inglês
• Editor(es): Prakash, J.

Descrição

In the present study of Pinus pinea L., further improvement of microshoot rooting was achieved by applying Cool-white light at increased intensity from 60 to 90 µmol m-2 s-1. In contrast, light provided by Gro-lux lamps promoted rooting of the microshoots at the same frequency regardless of its intensity. Majority of microshoots (70.4%) grown under Cool-white lamps at the intensity of 90 µmol m-2 s-1 were also significantly taller when compared with those from other tested treatments.