This is when the plant comes into contact with a cold shock (winter) and this initiates the seed head. This uses up some sugar reserves resulting in yield reduction.
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Why is bolting bad?
this uses up sugar energy within the root and also causes volunteer beet to appear in following crops.
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Why is weed (volunteer) beet bad?
Emerge in following beet crops and usually go straight to seed.
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What is one bolting resistant variety of sugar beet?
Haydn
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Can sugar beet be Beet cyst nematode (BCN) resistant?
Yes, variety dependant.
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What is rhizomania?
A viral disease which affects sugar beet and oilseed ****. The majority of beet varieties are resistent however new viral strains are overcoming this.
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2 foliar diseases of Sugar beet?
Rust and powdery mildew.
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How is sugar beet drilled?
using precision drills in march-april.
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How many seeds is 1 unit of sugar beet seed equal to?
100,000 seeds.
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What is the establishment aim of sugarbeet? %
90%.
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What does an 80% establishment rate result in?
Serious yield loss.
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What is seed priming?
Where the sugar beet seed gets coated in primer to allow to it to be precision drilled. it also includes fungicides and neonicitinoids for added protection.
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What percentage of sugar beet seed is primed?
95%
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What does primed seed lead to?
Faster establishment, disease protection.
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Soil pests in sugar beet?
Nematodes. Millipedes. Springtail. Symphylid.
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How many weeks protection can insecticidal seed treatments provide against aphids?
10-14 weeks.
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does the incidence of 'virus yellow aphids' decrease when systemic insecticidal seed treatments are use?
Yes, by over 50%!
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Who is sugar beet in the UK grown for under contract?
british sugar.
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What seed rate would you typically use with sugar beet?
100,000 seeds /ha. (1 unit/ha)
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How would you combat the disease virus yellows?
using a systemic insecticidal seed treatment that gives protection for 10-14 weeks after establishment protecting against this early viral disease.
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