The effects of beet yellows virus on the growth and physiology of sugar beet (Beta vulgaris)
The effect of beet yellows virus (genus Closterovirus, BYV) on sugar beet growth was studied in a series of field and glasshouse experiments. Infection reduced total plant weight by 20%, primarily through a 25% reduction in storage root growth. Sugar extraction efficiency was depressed by an increase in root impurities. BYV had little effect on above-ground yield or total crop cover but did decrease green cover significantly. Infection did not reduce water extraction depth in field experiments despite decreasing lateral root growth in the glasshouse. The growth reduction in infected plants resulted from both a decrease in net photosynthesis and an increase in the proportion of light intercepted by yellow leaves. Damage to the photosynthetic mechanism at least partly caused the reduction in net photosynthesis..
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
1999 |
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| Erschienen: |
Oxford, U.K. and Cambridge, USA: Blackwell Publishing Ltd ; 1999 |
| Reproduktion: |
2002 ; Blackwell Publishing Journal Backfiles 1879-2005 |
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| Enthalten in: |
Zur Gesamtaufnahme - volume:48 |
| Enthalten in: |
Plant pathology - 48(1999), 1, Seite 0 |
| Beteiligte Personen: |
Clover [VerfasserIn] |
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| Links: |
Volltext [Deutschlandweit zugänglich] |
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| Themen: |
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| Umfang: |
Online-Ressource |
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| doi: |
10.1046/j.1365-3059.1999.00307.x |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLEJ243803400 |
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| 245 | 1 | 0 | |a The effects of beet yellows virus on the growth and physiology of sugar beet (Beta vulgaris) |
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| 520 | |a The effect of beet yellows virus (genus Closterovirus, BYV) on sugar beet growth was studied in a series of field and glasshouse experiments. Infection reduced total plant weight by 20%, primarily through a 25% reduction in storage root growth. Sugar extraction efficiency was depressed by an increase in root impurities. BYV had little effect on above-ground yield or total crop cover but did decrease green cover significantly. Infection did not reduce water extraction depth in field experiments despite decreasing lateral root growth in the glasshouse. The growth reduction in infected plants resulted from both a decrease in net photosynthesis and an increase in the proportion of light intercepted by yellow leaves. Damage to the photosynthetic mechanism at least partly caused the reduction in net photosynthesis. | ||
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