Miklós Erzsébet and Sarjala Tytti: Correlation between the levels of potassium and polyamines in the leaves of grapevine. In: Acta biologica Szegediensis, (46) 3-4. pp. 203-204. (2002)
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Abstract
Potassium and the most abundant polyamines (putrescine, spermidine and spermine) concentrations were determined in the leaf blades of Vitis vinifera L. cv. White Riesling, Ezerjó , Kövidinka, Chardonnay, Cabernet Sauvignon , Merlot, Kadarka varieties at ripening to characterize the correlation between these two types of osmolytes under drought stress and low nutrient supply. K+ concentration in the leaf blades changed in the range of 0.27-0.81% , indicating serious K+ deficiency . Kadarka and Ezerjó varieties accumulated the lowest and Kövidinka the greatest quantity of potassium. Below 0.5% K+ content the increase of free and soluble-conjugated putrescine concentration could be observed. The highest levels were formed in the leaves of Ezerjó: 1785 nmol/g fw. free and 589 nmol/g fw. soluble-conjugated putrescine and these values decreased to 11 nmol/g fw. and 14 nmol/g fw. at Kövidinka variety. Free spermidine concentration changed in the range of 25-100 nmol/g fw and the content of conjugated form was lower. The free and soluble-conjugated spermime levels remained below 20 nmol/g fw. Accumulation of spermidine and spermine didnot correlate with the K+ concentration in the leaf blades.
| Item Type: | Article |
|---|---|
| Heading title: | Plant nutrition and yield; Proceedings of the 7th Hungarian Congress on Plant Physiology |
| Journal or Publication Title: | Acta biologica Szegediensis |
| Date: | 2002 |
| Volume: | 46 |
| Number: | 3-4 |
| ISSN: | 1588-385X |
| Page Range: | pp. 203-204 |
| Language: | English |
| Event Title: | Hungarian Congress on Plant Physiology, 7., 2002, Szeged |
| Related URLs: | http://acta.bibl.u-szeged.hu/39245/ |
| Uncontrolled Keywords: | Természettudomány, Biológia |
| Additional Information: | 204. p.; Abstract |
| Date Deposited: | 2016. Oct. 17. 09:25 |
| Last Modified: | 2021. Apr. 13. 12:24 |
| URI: | http://acta.bibl.u-szeged.hu/id/eprint/22560 |
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