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short-day plant

A Dictionary of Ecology | 2004 | | Copyright

short-day plant A plant in which flowering is favoured by short days and correspondingly long nights. There are two groups of such plants, some species in which there is an absolute requirement for these conditions for the onset of flowering, and other species in which flowering is merely hastened by them. In fact, however, the term is somewhat misleading in that the critical factor is the period of darkness and short-day plants require a night of more than a minimum duration. Horticulturists exploit this, for example, by exposing chrysanthemums to a brief flash of light during the night to delay flowering until Christmas.

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MICHAEL ALLABY. "short-day plant." A Dictionary of Ecology. 2004. Encyclopedia.com. 31 May. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "short-day plant." A Dictionary of Ecology. 2004. Encyclopedia.com. (May 31, 2012). http://www.encyclopedia.com/doc/1O14-shortdayplant.html

MICHAEL ALLABY. "short-day plant." A Dictionary of Ecology. 2004. Retrieved May 31, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O14-shortdayplant.html

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short-day plant

A Dictionary of Plant Sciences | 1998 | | Copyright

short-day plant A plant in which flowering is favoured by short days and correspondingly long nights. There are 2 groups of such plants, some species in which there is an absolute requirement for these conditions for the onset of flowering, and other species in which flowering is merely hastened by them. In fact, however, the term is somewhat misleading, in that the critical factor is the period of darkness and short-day plants require a night of more than a minimum duration. Horticulturists exploit this by exposing chrysanthemums to a brief flash of light during the night to delay flowering until Christmas.

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MICHAEL ALLABY. "short-day plant." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. 31 May. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "short-day plant." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. (May 31, 2012). http://www.encyclopedia.com/doc/1O7-shortdayplant.html

MICHAEL ALLABY. "short-day plant." A Dictionary of Plant Sciences. 1998. Retrieved May 31, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O7-shortdayplant.html

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short-day plant

A Dictionary of Biology | 2004 | Copyright

short-day plant A plant in which flowering can be induced or enhanced by short days, usually of less than 12 hours of daylight. Examples are strawberry and chrysanthemum. See photoperiodism. Compare day-neutral plant; long-day plant.

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"short-day plant." A Dictionary of Biology. 2004. Encyclopedia.com. 31 May. 2012 <http://www.encyclopedia.com>.

"short-day plant." A Dictionary of Biology. 2004. Encyclopedia.com. (May 31, 2012). http://www.encyclopedia.com/doc/1O6-shortdayplant.html

"short-day plant." A Dictionary of Biology. 2004. Retrieved May 31, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O6-shortdayplant.html

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Free newspaper and magazine articles

	Loci affecting flowering time in oat under short-day conditions.(Report) Magazine article from: Genome; 12/1/2006
	Short-day treatment alters Douglas-fir seedling dehardening and transplant... Magazine article from: Canadian Journal of Forest Research; 6/1/2008
	How plants flower little less a mystery.(Home & Garden) Newspaper article from: Daily Herald (Arlington Heights, IL); 3/21/2004