Share this entry

Share this page

long-day

Syllabification: long-day
Pronunciation: /ˈlôNGˌdā
 
/

Definition of long-day in English:

adjective

(Of a plant) needing a long period of light each day to initiate flowering, which therefore happens naturally as the days lengthen in the spring.
Example sentences
  • The genetic control of flowering has been extensively studied in Arabidopsis, a quantitative long-day plant that flowers faster under long days than short days.
  • Cereals of temperate origin are typically long-day plants, and this causes heading during spring and early summer, so that the crop ripens towards the end of the growing season.
  • In the long-day plant Arabidopsis, flowering is accelerated under photoperiods exceeding a critical daylength.

Definition of long-day in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day tenebrous
Pronunciation: ˈtenəbrəs
adjective
dark; shadowy or obscure