Turnip Yellows Virus
Large numbers of winged turnip yellows virus TuYV carrying aphids including green peach aphids were captured last week in sticky traps at Kendenup and at sites south of the Stirling Ranges. Click on the article title to read more.
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Turnip yellows virus. General information about Turnip yellows virus TUYV00 THIS WEBSITE USES COOKIES Our website uses cookies to ensure that we give you the best possible online experience. Turnip yellows virus TuYV formerly known as beet western yellows virus is an obligate plant parasite transmitted exclusively by aphids. Epidemic infestation of winter oilseed rape by turnip yellows luteovirus syn.
We do not use these to store personal information about youContinuing to use. First signs are red yellow or purple colours at the ends or edges of older leaves then yellowing in the middle of the. Turnip yellows virus TuYV formerly known as beet western yellows virus is primarily spread by green peach aphids.
Turnip yellows virus TuYV Formerly beet western yellows virus BWYV. Colours are more intense between leaf veins and on the upper side of the leaf. Petioles and leaf veins are green or pale.
123 Spring canola sown in autumn. It is likely that TuYV is one of the principal reasons why commercial oilseed rape crops do not reach their genetic yield potential. Two new varieties on the AHDB Recommended List this year offer growers the opportunity to protect their crops from the turnip yellows virus while also achieving top yields.
Therefore control of the virus. Dr Piotr Trebicki Research Scientist at Agriculture Victoria talks about Turnip yellows virus formerly known as Beet western yellows virus. When the first TuYV resistant variety Amalie was introduced to the market in 2014 by breeder Limagrain the pay-off for aphid resistance was low yields in normal.
Nucleotide sequence of beet mild yellowing virus. 121 Winter canola sown in autumn. Turnip yellows virus is widespread throughout grain growing areas of Australia Early BWYV infection in canola can cause seed yield losses of up to 46 decrease seed oil content and increase seed erucic acid and glucosinolate contents.
Wild radish weeds and volunteer canola are the most important reservoirs but perennials such as lucerne and. 122 Spring canola sown in spring. Canola with a winter habit vernalisation requirement to initiate the reproductive stagesee Section 222.
Beet western yellows luteovirus in the 199596 growing season. TuYV systemically infects plants and cannot be sprayed-out post-infection like a fungal disease. Turnip yellows virus TuYV of the Polerovirus genus family Luteoviridae has a wide host range and experimentally can infect species from at least 13 plant families including many species of economic importance belonging to Brassicaceae Chenopodiaceae Asteraceae and Fabaceae.
Nachrichtenblatt des Deutschen Pflanzenschutzdienstes 49 10241-246. Discoloured leaves become thickened and may cup. Turnip yellows virus TuYV is probably the most important yet least understood viral disease of oilseed rape in the United Kingdom.
It is carried within the aphid and transmitted to healthy plants during feeding for the entire lifecycle of the aphids. Beet western yellows virus BWYV syn. 26 ref Guilley H Richards KE Jonard G 1995.
Green peach aphids have been caught on traps around Toodyay and Cranbrook.
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