Zika virus has their first victim in my county.
boops2012
8 years ago
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boops2012
8 years agomoonie_57 (8 NC)
8 years agoRelated Discussions
My first orchid-Virus-say goodbye
Comments (15)All living things have bacteria and virus in and on them. Many are innocuous, actually most are. Plants and animals that are healthy have systemic processes (immune systems) to prevent the 'germs' from taking over and killing them. In humans, we get a fever that raises the body temperature high enough to kill the bacteria. Antibodies are produced to tackle the virus. In plants, if a bug or a dirty blade punctures the cuticle of the tissue, the plant will induce a protective death of the cells surrounding the wound, thus sealing it off and preventing the spread. If that doesn't work, the plant will often drop the affected leaf. It saddens me to think about all the poor plants that have been thrown away due to this paranoia about virus. Obviously if you're a breeder, there are certain viri that are worth worrying about. But for most casual hobbyists, there are MUCH bigger problems. Squirrels, for instance... or scale/mealies/crown rot. Hydrogen peroxide is your friend. Besides, how often do people really have to cut into their plants??? I can think of maybe two or three times I have in the past five years. If you're doing surgery on your plants more often than that, perhaps you should be growing roses. :) -MB...See MoreTomato-killing virus makes its appearance in California
Comments (6)That isn't good news, but seed companies are isolating tomato varieties that are resistant to the virus. Those in areas that already are threatened by the virus are working on the problem. Planting squash as a trap crop seems to help (see the link at the bottom). I've seen only one site that says you have to kill the pests that appear on trap crops (for anything), but that makes sense. If they aren't killed, then they'll lay over during the winter in huge numbers (they're incredibly prolific), nourished by the trap crop, and return in even greater numbers than the original infestation. There are several articles about whitefly control that you can google. All that I've seen recommend chemical sprays, which will kill beneficial insects, too. Here is a link that might be useful: Squash as a trap crop...See MoreFloridians – travel to Sarasota, Zika?
Comments (5)I'm near Tampa your dates should be a safe time to travel to Florida. Last December the Governor announced that there were no new Zika cases in the last 3 or 4 months in the state. Have not heard of any since then. My niece (also trying to conceive) tracks each and every Zika outbreak, she finally says that she feels like she can relax a little and enjoy being outside....See MoreMore RRD Victims... do symptoms show up with heat?
Comments (50)Back to the temperature behavior. "The effect of temperature on Wheat streak mosaic virus (WSMV) replication and in planta movement was examined using a virus (WSMV-GFP) tagged with green-fluorescence protein. A rapid increase in virus accumulation was observed with increasing temperatures beginning at 15°C in Tomahawk, but this response to temperature is delayed with virus accumulation increasing beginning at 25°C in Mace. Some wheat plants that were not systemically infected at 10 and 15°C were found to be infected with the virus in regrowth shoots later at 27°C, suggesting that WSMV moves at undetectable levels under suboptimal temperatures, but rapidly begins to replicate and spread in planta under optimal temperatures. These results indicate that temperature played an important role in WSMV replication, movement, and disease development in susceptible and resistant wheat cultivars. " https://www.ars.usda.gov/research/programs-projects/project/?accnNo=424225&fy=2016 The virus WSMV (Wheat Streak Mosaic Virus) is not an emaravirus, but the above study suggests that it may be useful to add a green-fluorescence protein to Rose Rosette Virus and study its temperature behavior. https://www.google.com/?gws_rd=ssl#newwindow=1&q=green-fluorescence+protein+tag+to+virus&spf=1499315033843...See Moreboops2012
8 years agorhizo_1 (North AL) zone 7
8 years agomoonie_57 (8 NC)
8 years agomoonie_57 (8 NC)
8 years agoboops2012
8 years agoTexas_Gem
8 years agoravencajun Zone 8b TX
8 years agosheilajoyce_gw
8 years agoboops2012
8 years agoBluebell66
8 years agomaire_cate
8 years agoYayagal
8 years agoPKponder TX Z7B
8 years agoboops2012
8 years agoVertise
8 years agolast modified: 8 years agosjerin
8 years agoraee_gw zone 5b-6a Ohio
8 years agoVertise
8 years agolast modified: 8 years agojemdandy
8 years ago
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