Definitions
from The Century Dictionary.
- noun In botany, an abnormal development of adventitious roots peculiar to many plants, as ivy, screw-pines, and figs, which send out roots from various parts, just as trees produce adventitious buds.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun An abnormal development in the
taproots of some plants, especiallysugar beet , characterized by fine, hairy secondary roots; it is caused by the infection of the plant with avirus transmitted by aprotozoan .
Etymologies
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Examples
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Almost immediately after that the Quenton Park estate's crop of sugar beet, almost a thousand acres in total, had been hit by rhizomania, the mad root disease.
The Seventh Scroll Smith, Wilbur 1995
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All of them have rhizomania tolerance, while two are also tolerant to beet cyst nematode
FWi - All News 2010
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Rosalinda combines rhizomania tolerance with a nine rating for powdery mildew resistance and the highest RL score for rust resistance.
FWi - All News 2010
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KWS has introduced multi-resistance to both beet cyst nematode and rhizomania in a variety.
FWi - All News 2009
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Elsoms believes many more growers should be switching to rhizomania-resistant varieties to help prevent inoculum building up and reaching levels which could threaten resistance.
FWi - All News 2009
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Part of the problem is that rhizomania-resistant varieties don't always offer enough to the grower, he explains.
FWi - All News 2009
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Even so, experts believe that a great deal of rhizomania is still going undetected, resulting in further spread of the virus and damage to both yield and income.
FWi - All News 2009
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He said those producers will probably stick with conventional beets until the rhizomania problem is worked out in the Roundup Ready varieties.
unknown title 2009
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Aimanta is an early-maturing rhizomania resistant variety, he claims.
FWi - All News 2009
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Syngenta, there are huge regional differences in the uptake of resistant varieties, with growers in East Anglia leading the way with almost 60% of the sugar beet area down to rhizomania-resistant types.
FWi - All News 2009
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