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231224s2013 xx |||||o 00| ||eng c |
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|a 10.1270/jsbbs.63.393
|2 doi
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|a eng
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|a Trojak-Goluch, Anna
|e verfasserin
|4 aut
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|a Artificially induced polyploidization in Humulus lupulus L. and its effect on morphological and chemical traits
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|c 2013
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 08.01.2014
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|a Date Revised 23.03.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Chemically induced polyploids were obtained by the colchicine treatment of shoot tips of Humulus lupulus L. 'Sybilla'. Flow cytometry revealed that most of the treatments resulted in the production of tetraploids. The highest number of tetraploids was obtained when explants were immersed in 0.05% colchicine for 48 h. A field experiment was conducted to compare diploid and tetraploid plants and assess the effect of genome polyploidization on the morphological and chemical characteristics. Tetraploids showed significant differences in relation to diploids. They had thinner and shorter shoots. The influence of chromosome doubling was also reflected in the length, width and area of leaves. The length of female flowers in the tetraploids was significantly shorter than that observed in diploids. Tetraploids produced a diverse number of lupuline glands that were almost twice as large as those observed in diploids. The most distinct effect of genome polyploidization was a significant increase in the weight of cones and spindles. Contents of major chemical constituents of hop cones was little affected by ploidy level. Total essential oils were significantly lower than those in diploids. However there was a significant increase in the proportion of humulene, caryophyllene and farnesene, oils desired by the brewing industry
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| 650 |
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|a Journal Article
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|a Humulus lupulus
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| 650 |
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4 |
|a morphological characterization
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| 650 |
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|a polyploidization
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| 650 |
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4 |
|a tetraploid
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| 700 |
1 |
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|a Skomra, Urszula
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Breeding science
|d 1998
|g 63(2013), 4 vom: 06. Dez., Seite 393-9
|w (DE-627)NLM098238299
|x 1344-7610
|7 nnns
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| 773 |
1 |
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|g volume:63
|g year:2013
|g number:4
|g day:06
|g month:12
|g pages:393-9
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|u http://dx.doi.org/10.1270/jsbbs.63.393
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