long-day

long-day

(lông′dā′)
adj.
Of, relating to, or being a plant that flowers only when the duration of daylight is more than a certain amount, as in late spring or early summer.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

long-day

adj
(Botany) (of certain plants) able to mature and flower only if exposed to long periods of daylight (more than 12 hours), each followed by a shorter period of darkness. Compare short-day
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
tuberosum Chilotanum Group, thrives in the long-day conditions farther south, which makes it preadapted to grow in other long day-length environments like Europe and North America.
Objective: To develop nutrition recommendations for food provided during long-day child-care hours, expressed in terms of a percentage of recommended dietary intakes (RDIs) for nutrients.
Main outcome measures: The proportion of the mean total daily nutrient intake consumed during long-day child-care hours in quantitative amounts and in percentage RDI.
Conclusion or application: The recommendation that 'at least 50% of the RDI for nutrients be provided to children during long-day child-care' is consistent with children's current eating patterns.
In Australia, 28% of children attend long-day child-care and 18% attend family day care, with more than 177 000 children using long-day child-care centres in 1996 (1).
The food eaten by children during long-day child-care makes an important contribution to their overall nutritional intake at a time that is critical for physical and mental development.
Short-day hamsters had more of some major immune cells than long-day animals did.
In the current study, when researchers distressed the animals by confining them in a short tube for 2 hours, the short-day hamsters sent more immune calls to their skin than the long-day hamsters did.
Photoperiod averaged 13.6 h [d.sup.-1] during the long-day study and 12.1 h [d.sup.-1] during the short-day study.
Nitrogen treatments were supplied as ammonium nitrate at the following rates in the long-day study: 1.2, 2.4, 4.9, and 9.8 g [m.sup.-2] [mo.sup.-1].
The long-day study had a total of four harvests, while the short-day study had a total of three harvests.
The reduced model for shoot growth of FloraDwarf bermudagrass under long-day conditions included only linear effects of N (Table 1; Fig.

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