Effects of induction treatments on flowering in Populus deltoides.
Identifieur interne : 004459 ( Main/Exploration ); précédent : 004458; suivant : 004460Effects of induction treatments on flowering in Populus deltoides.
Auteurs : Cetin Yuceer [États-Unis] ; Mark E. Kubiske ; Richard L. Harkess ; Samuel B. LandSource :
- Tree physiology [ 0829-318X ] ; 2003.
Descripteurs français
- KwdFr :
- MESH :
- pharmacologie : Facteur de croissance végétal, Triazoles.
- physiologie : Arbres, Fleurs, Populus, Racines de plante.
- physiopathologie : Déshydratation.
- Facteurs temps.
English descriptors
- KwdEn :
- MESH :
- chemical , pharmacology : Plant Growth Regulators, Triazoles.
- physiology : Flowers, Plant Roots, Populus, Trees.
- physiopathology : Dehydration.
- Time Factors.
Abstract
Stimulation of early flowering is required to shorten breeding cycles of eastern cottonwood (Populus deltoides Bartr. ex Marsh. var. deltoides), a commercially important and fast-growing hardwood species. A series of experiments was conducted to evaluate the influence of various treatments on flowering in rooted cuttings from mature and juvenile trees. A combined treatment of water stress, root pruning and paclobutrazol was applied to 3-month-old rooted cuttings from mature trees. These cuttings had been subjected to root restriction and long days. All treated plants flowered, whereas no untreated plants formed flower buds. One-year-old rooted cuttings from juvenile trees did not flower when treated with either paclobutrazol, paclobutrazol plus water stress, paclobutrazol plus root pruning, or paclobutrazol plus girdling. This was true both under continuous or periodic growth. Assessment of the lack of flowering in juvenile trees may require an integrated approach that investigates environmental or physiological stimuli, assimilate shift, gibberellic acid type and concentration, and flowering-time gene activity in the new shoots of mature and juvenile cottonwood trees.
DOI: 10.1093/treephys/23.7.489
PubMed: 12670803
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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A series of experiments was conducted to evaluate the influence of various treatments on flowering in rooted cuttings from mature and juvenile trees. A combined treatment of water stress, root pruning and paclobutrazol was applied to 3-month-old rooted cuttings from mature trees. These cuttings had been subjected to root restriction and long days. All treated plants flowered, whereas no untreated plants formed flower buds. One-year-old rooted cuttings from juvenile trees did not flower when treated with either paclobutrazol, paclobutrazol plus water stress, paclobutrazol plus root pruning, or paclobutrazol plus girdling. This was true both under continuous or periodic growth. Assessment of the lack of flowering in juvenile trees may require an integrated approach that investigates environmental or physiological stimuli, assimilate shift, gibberellic acid type and concentration, and flowering-time gene activity in the new shoots of mature and juvenile cottonwood trees.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">12670803</PMID><DateCompleted><Year>2004</Year><Month>08</Month><Day>16</Day></DateCompleted><DateRevised><Year>2019</Year><Month>05</Month><Day>13</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0829-318X</ISSN><JournalIssue CitedMedium="Print"><Volume>23</Volume><Issue>7</Issue><PubDate><Year>2003</Year><Month>May</Month></PubDate></JournalIssue><Title>Tree physiology</Title><ISOAbbreviation>Tree Physiol</ISOAbbreviation></Journal><ArticleTitle>Effects of induction treatments on flowering in Populus deltoides.</ArticleTitle><Pagination><MedlinePgn>489-95</MedlinePgn></Pagination><Abstract><AbstractText>Stimulation of early flowering is required to shorten breeding cycles of eastern cottonwood (Populus deltoides Bartr. ex Marsh. var. deltoides), a commercially important and fast-growing hardwood species. A series of experiments was conducted to evaluate the influence of various treatments on flowering in rooted cuttings from mature and juvenile trees. A combined treatment of water stress, root pruning and paclobutrazol was applied to 3-month-old rooted cuttings from mature trees. These cuttings had been subjected to root restriction and long days. All treated plants flowered, whereas no untreated plants formed flower buds. One-year-old rooted cuttings from juvenile trees did not flower when treated with either paclobutrazol, paclobutrazol plus water stress, paclobutrazol plus root pruning, or paclobutrazol plus girdling. This was true both under continuous or periodic growth. Assessment of the lack of flowering in juvenile trees may require an integrated approach that investigates environmental or physiological stimuli, assimilate shift, gibberellic acid type and concentration, and flowering-time gene activity in the new shoots of mature and juvenile cottonwood trees.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Yuceer</LastName><ForeName>Cetin</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>Department of Forestry, Mississippi State University, Box 9681, 39762, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Kubiske</LastName><ForeName>Mark E</ForeName><Initials>ME</Initials></Author><Author ValidYN="Y"><LastName>Harkess</LastName><ForeName>Richard L</ForeName><Initials>RL</Initials></Author><Author ValidYN="Y"><LastName>Land</LastName><ForeName>Samuel B</ForeName><Initials>SB</Initials><Suffix>Jr</Suffix></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>Canada</Country><MedlineTA>Tree Physiol</MedlineTA><NlmUniqueID>100955338</NlmUniqueID><ISSNLinking>0829-318X</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D010937">Plant Growth Regulators</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D014230">Triazoles</NameOfSubstance></Chemical><Chemical><RegistryNumber>6PLV42R3ZA</RegistryNumber><NameOfSubstance UI="C053370">paclobutrazol</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D003681" MajorTopicYN="N">Dehydration</DescriptorName><QualifierName UI="Q000503" MajorTopicYN="N">physiopathology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D035264" MajorTopicYN="N">Flowers</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010937" MajorTopicYN="N">Plant Growth Regulators</DescriptorName><QualifierName UI="Q000494" MajorTopicYN="N">pharmacology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013997" MajorTopicYN="N">Time Factors</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014197" MajorTopicYN="N">Trees</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014230" MajorTopicYN="N">Triazoles</DescriptorName><QualifierName UI="Q000494" MajorTopicYN="N">pharmacology</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2003</Year><Month>4</Month><Day>3</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2004</Year><Month>8</Month><Day>18</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2003</Year><Month>4</Month><Day>3</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">12670803</ArticleId><ArticleId IdType="doi">10.1093/treephys/23.7.489</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country></list><tree><noCountry><name sortKey="Harkess, Richard L" sort="Harkess, Richard L" uniqKey="Harkess R" first="Richard L" last="Harkess">Richard L. Harkess</name><name sortKey="Kubiske, Mark E" sort="Kubiske, Mark E" uniqKey="Kubiske M" first="Mark E" last="Kubiske">Mark E. Kubiske</name><name sortKey="Land, Samuel B" sort="Land, Samuel B" uniqKey="Land S" first="Samuel B" last="Land">Samuel B. Land</name></noCountry><country name="États-Unis"><noRegion><name sortKey="Yuceer, Cetin" sort="Yuceer, Cetin" uniqKey="Yuceer C" first="Cetin" last="Yuceer">Cetin Yuceer</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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