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|a eng
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1 |
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|a Tang, W
|e verfasserin
|4 aut
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| 245 |
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|a Genotypic control of high-frequency adventitious shoot regeneration via somatic organogenesis in loblolly pine
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| 264 |
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|c 2001
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
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|2 rdacarrier
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| 500 |
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|a Date Revised 30.09.2020
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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| 520 |
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|a Mature zygotic embryos of 24 genotypes of loblolly pine (Pinus taeda L.) were used as explants to establish an adventitious shoot regeneration system through somatic organogenesis. Callus formation frequencies of 18.2 (genotype 11-1103) -77.7% (genotype 7-100) have been induced from mature zygotic embryos of all genotypes tested on callus induction medium (basal salts) containing 2,4-dichlorophenoxyacetic acid (2,4-D) or alpha-naphthaleneacetic acid (NAA), 6-benzyladenine (BA), and kinetin. Adventitious shoot regeneration via organogenesis with the frequency of 5.4 (genotype 11-1103 and 7-2) -77.2% (genotype 8-1082) was obtained from callus and tissue cultures derived from mature zygotic embryos of 24 genotypes of loblolly pine. The highest mean number of 18 adventitious buds per piece of callus 0.5x0.5 cm(2) in size was obtained from genotype 8-1082. Elongation of adventitious buds was achieved on TE medium supplemented with 0.5 mg/l indole-3-butyric acid (IBA) and 1 mg/l BA. After rooting, regenerated plantlets were established in soil. These results suggested that adventitious shoot regeneration via somatic organogenesis was influenced by the genotypes. The in vitro regeneration procedure established in this investigation could be used for clonal micropropagation of some genotypes of loblolly pine, as well as for establishing a transformation system in coniferous species
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| 650 |
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|a Journal Article
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| 700 |
1 |
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|a Whetten, R
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sederoff, R
|e verfasserin
|4 aut
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| 773 |
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8 |
|i Enthalten in
|t Plant science : an international journal of experimental plant biology
|d 1985
|g 161(2001), 2 vom: 12. Juli, Seite 267-272
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|x 0168-9452
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|g volume:161
|g year:2001
|g number:2
|g day:12
|g month:07
|g pages:267-272
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|d 161
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|h 267-272
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