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231223s2004 xx ||||| 00| ||eng c |
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Valdés, Ana Elisa
|e verfasserin
|4 aut
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| 245 |
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|a Hormonal changes throughout maturation and ageing in Pinus pinea
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| 264 |
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|c 2004
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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 ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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| 338 |
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 08.07.2004
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|a Date Revised 30.09.2020
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|a published: Print
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|a Citation Status MEDLINE
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|a Phytohormones, which are responsible for certain age-related changes in plants, play a major role throughout maturation and ageing. Previous results dealing with this topic allowed us to describe an ageing and vigour index in Pinus radiata based on a ratio between different forms of cytokinins (Cks). The aim of the present study was to extend the studies on the changes in the hormonal status throughout maturation and ageing to Stone pine (Pinus pinea L.). With this aim in mind, a number of Cks were analysed in addition to indole-3-acetic acid (IAA) and abscisic acid (ABA) in terminal buds, axillary buds and in the apical portion of needles collected from trees at different stages of development. The results showed an increasing pattern in the levels of various Cks similar to that found in previous studies on P. radiata. Although the maintenance of the same ratio as an ageing and vigour index was not ratified, these results seem to point to Cks as major hormones throughout maturation and related processes in conifers. The distribution of hormones between the two parts of the needle is also discussed
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| 650 |
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|a Comparative Study
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| 650 |
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4 |
|a Journal Article
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| 650 |
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4 |
|a Research Support, Non-U.S. Gov't
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| 650 |
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7 |
|a Plant Growth Regulators
|2 NLM
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| 650 |
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|a Zeatin
|2 NLM
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| 650 |
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7 |
|a 7I6OOJ9GR6
|2 NLM
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| 700 |
1 |
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|a Fernández, Belén
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Centeno, María Luz
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 42(2004), 4 vom: 04. Apr., Seite 335-40
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
1 |
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|g volume:42
|g year:2004
|g number:4
|g day:04
|g month:04
|g pages:335-40
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|d 42
|j 2004
|e 4
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|h 335-40
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