Virus, or not virus?
marcia_m
4 years ago
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marcia_m
4 years agoRelated Discussions
Is this Mosaic Virus? Or any other Virus?
Comments (8)KB2 Here are a couple of pictures of virused leaves. You be the judge as far as yours are concerned.. as you know best what yours look like. Yours do appear to be more like spots than the actual moasic pattern, and it does appear that you do infact have mealy bugs,but never having had mealy bugs (so far) I'm not sure what their sucking would do to the leaves...I do wish you luck.. I will say that the Oskar in the first picture showed the moasic pattern right off the bat..most often the leaves come out clear and healthy looking and then when the weather gets hot or they are stressed for some other reason then the sympoms appear (at least for me, living in the cooler coastal northeast.... Donna of...See MoreNew virus..
Comments (14)First of all the email you quoted alludes to the postcard virus, which is a real virus that has been around since last summer. However, the body of your email contains false and incorrect info. It is a hoax. I have linked to Snopes.com for clarification of your email. If you had read to the bottom of your link, you would have seen this info also. One should always check out these mass warnings at Snopes. The real problem is that you included a link that was in your email. It turns out that the link is benign, but it very well could have sent people to an infected web page. It's very common for the bad guys to do this type of thing. I know you meant well, so please don't take this personally and please don't stop posting. Caution is the operative word along with Snopes.com. Here is a link that might be useful: The other email warning...See MoreWhat are the most common diseases affecting chile plants?
Comments (0)Courtesy of Byron Most popular diseases of Peppers Anthranose, Baterial Spot, Bacterial wilt fusarium wilt, mosaic virus, southern blight (AKA Chile wilt). Here is a partial list of seed borne diseases: Common pathogens Bacteria Xanthomonas c. vesicatoria spot Erwinia c. carotovora soft rot Fungi Fusarium oxysporum vasinfectum wilt Verticillium spp. wilt Peronospora tabacina downy mildew Phytophthora capsici blight Choenephora cucurbitarum blight Colletotrichum capsici anthracnose Cercospora capsici leaf spot Virus Tobacco mosaic virus Tobacco streak virus Potato virus X Potato virus Y Tobacco etch virus Pepper mild mottle virus Cucumber mosaic virus Alfalfa mosaic virus Tomato spotted wilt virus Tobacco rattle virus Tobacco ring spot virus...See MoreA German study testing for Rose Rosette Virus
Comments (0)Google translation of a German paper presented at a meeting. "Infection of roses with viruses with special attention to the Rose rosette virus and Ilarviren Virus-suspicious symptoms such as checks, chlorotic ring spots and line patterns, partly in combination with growth spills and death-related symptoms, have been observed for several years in the rosaceae of a varietal collection. The cause is a variety of plant viruses, which can infect roses. Various viruses (Tomato ringspot virus, Tomato ringspot virus, Tirolo mosaic virus, Tomato ringspot virus) are commonly found as virus complexes in different combinations Roses are most widespread (Milleza et al., 2013). In Germany, the Raspberry ringspot nepovirus (RpRSV) was recently detected in roses of Mainau Island (Bargen et al., 2015). In addition, other viruses have been described in roses, including the Rose rosette virus (RRV, genus Emaravirus), which is widely distributed in the United States, causing considerable loss of yield in all areas of rosaceae cultivation (Babu et al., 2016). Leaf samples of various varieties including tea hybrids, climbing roses, foribunda or polyanthoses with the above-mentioned symptoms were examined for a virus infection by means of DAS-ELISA or RT-PCR method using genus-specific oligonucleotides in connection with sequencing of the PCR products. In the study of 8 rose samples of different varieties with virus-suspicious leaf symptoms, infection with RRV could be detected by the use of generic (Elbeaino et al., 2013) as well as by RRV-specific oligonucleotides (Laney et al RT-PCR can be excluded. Further results of this study on the detection of Ilarviruses are presented and discussed. http://www.schoenmuth.de/Posterdok/Posterdokumentation-PM2016/2016-PST-Halle/2016-PST-Posterabstracts/Posterabstract-PST2016-122a-Stummer_28z.pdf A second link indicates that no rose rosette virus was found. Again from a Google translation: "For a number of years, a variety of virus-suspicious symptoms have been observed in the rose stands of a rose collection in Germany. They are manifested by checks, chlorotic ring spots, and lines (Fig. 1), partly in connection with growth spills and deaths. A variety of plant viruses are to be considered for the infection of roses, a. Various ilarviruses such as, For example, Apple mosaic virus (ApMV), Prunus necrotic ringspot virus (PNRSV) or Tobacco streak virus (TSV) (Milleza et al., 2013). Furthermore, the Raspberry ringspot nepovius (RpRSV) was recently found on the island of Mainau in Germany. (Bargen et al., 2015). Another major virus that infects roses is the rose rosette emaravirus (RRV). It is widespread in the United States and leads there to considerable losses in income in all areas of the cultivation of roses (Babu et al., 2016). The aim of this study was to detect plant viruses, which could be the cause of the observed disease symptoms on the roses. The emphasis was on the detection of Ilar- and Potyviren as well as of RRV. Ilarviren Detection of PNRSV and potyviruses (Table 1) in the ELISA • Confirmation Ilarvirus infection with RT-PCR (Fig. 2) • No detection of potyviruses with RT-PCR • Identification of ApMV in "Pelé" and PNRSV types in the tea hybridomas " Promise "," Climbing New Yorker "and" Parade "by sequencing selected products of the Ilarvirus PCR • Exclusion of the infection with RRV of 8 rose samples of different varieties with chlorotic ring spots, graying or oak leaf patterns as no products in either category or RRV Specific PCR • No detection of the tested viruses in several symptom bearing roses" Also see Table 1. http://www.schoenmuth.de/Posterdok/Posterdokumentation-PM2016/2016-PST-Halle/2016-PST-Posters/Stummer-DPST2016-Poster.pdf...See Moremarcia_m
4 years agobragu_DSM 5
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4 years agoCandice (Houston)
4 years agomarcia_m
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4 years agolast modified: 4 years agoparadiseprincess51
4 years agoAl Tucson AZ Zone 9a, Sunset's Zone 12
4 years agoCandice (Houston)
4 years agoMarcia L M
4 years ago
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