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  • AID0290919740
  • DOI10.1093/oxfordjournals.aob.a087302

Floral Initiation of White Clover (Trifolium repens L.) in Response to Daylength and Temperature

Annals of Botany
Annals of Botany
Журнал с антэкологическими публикациями.
Oxford University Press · office@annbot.com

, 1987. V. 59. No. 2. P. 197–202
The response to different combinations of daylength (14, 15 and 16 h) and day/night temperature (20/10°C, 30/15°C) of four white clover (Trifolium repens) varieties in terms of floral initiation and development was studied.More plants flowered under long days (16 h) at 30°C than in any other combination. Varietal differences in response to daylength were large but temperature was the factor controlling initiation.Daylength was more important in regulating peduncle length, floret and ovule numbers than was temperature. The amount of nectar produced was lowest at the higher temperature although nectar concentration was unaffected by temperature. Nectar concentration was lowest in the shortest daylength (14 h).

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