Key term for Edexcel GCSE Biology, used in Plant Hormones.
The response of an organism to seasonal changes in day length, which commercial growers override using gibberellins to trigger flowering.
Photoperiodism appears in Edexcel GCSE Biology revision content for Plant Structures and Functions, especially Plant Hormones and Commercial Uses of Plant Hormones.
Create a free account to access Edexcel GCSE Biology revision notes, track progress, and practise related key terms.
