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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
6
pubmed:dateCreated
2010-6-29
pubmed:abstractText
Flower formation in the dayneutral tobacco (Nicotiana tabacum L.) cultivar "Trapezond" was accelerated by graft union with the short-day tobacco "Maryland Mammoth" when the grafts were kept on short days and by graft union with the long-day plant N. silvestris L. when they were kept on long days. When Maryland Mammoth/Trapezond grafts were kept on long days, flower formation in Trapezond was not, or only slightly, delayed compared to Trapezond/Trapezond controls; but when N. silvestris/Trapezond grafts were kept on short days, flower formation in Trapezond was inhibited and its growth changed to dwarf-like habit. The former results indicate transmission of flower-promoting material(s) ("florigen") from photoperiodic plants maintained under flower-promoting daylength conditions to a dayneutral graft partner; the latter indicate the presence in the long-day plant N. silvestris under short-day conditions of potent flower-inhibiting and growth-regulating material(s) that can also be transmitted to a day-neutral partner. Analogous flower-inhibitory materials seem not to be present, or to be present to a much lesser extent, in the short-day plant Maryland Mammoth under long-day conditions.
pubmed:commentsCorrections
pubmed:language
eng
pubmed:journal
pubmed:status
PubMed-not-MEDLINE
pubmed:month
Jun
pubmed:issn
0027-8424
pubmed:author
pubmed:issnType
Print
pubmed:volume
74
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
2412-6
pubmed:dateRevised
2010-9-14
pubmed:year
1977
pubmed:articleTitle
Promotion and inhibition of flower formation in a dayneutral plant in grafts with a short-day plant and a long-day plant.
pubmed:affiliation
MSU-ERDA Plant Research Laboratory, Michigan State University, East Lansing, Michigan 48824.
pubmed:publicationType
Journal Article