Information and discussion regarding garden diseases, insects and other unwelcome critters.
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#16 |
Tomatovillian™
Join Date: Mar 2016
Location: Miami, FL
Posts: 42
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So I guess there's still hope left in this world. If hot water treated seed should work, that's at least one way of ensuring a disease-free start.
Kurt, is your pool enclosure made with typical porch screen? I have a few rolls lying around but figured I needed something finer for whitefly. |
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#17 |
Tomatovillian™
Join Date: Aug 2011
Location: Plantation, Florida zone 10
Posts: 9,283
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My screen is the standard stuff, and whiteflies still get through.
Alexita, what are you going to get or use to keep them at 50C for 25 minutes without fluctuation in the temp? And it has to be wet treatment from what I read, so an oven or dehydrator won't do. I think I am finally going to spring for that Sous Vide machine. I hear steaks come out awesome too! ![]() |
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#18 | |
Tomatovillian™
Join Date: Mar 2016
Location: Miami, FL
Posts: 42
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#19 | |
Moderator Emeritus
Join Date: Jan 2006
Location: Upstate NY, zone 4b/5a
Posts: 21,169
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Since no one fetched a thread about hot water treatment,out of the depths of my semi-black heart I did,and here's a good one which gives methodologies, pitfalls of such treatment and much more. http://tomatoville.com/showthread.ph...seed+treatment I sure hope that helps, ![]() Carolyn
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Carolyn |
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#20 | |
Tomatovillian™
Join Date: Aug 2011
Location: Plantation, Florida zone 10
Posts: 9,283
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#21 |
Tomatovillian™
Join Date: Oct 2011
Location: Homestead,Everglades City Fl.
Posts: 2,498
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After Andrew we switched to darker fiberglass pet grade material(smaller hole,more thread/SQ inch)we did it for mangoe and leaf/branch falling puncture protection,anti UV penetration.Never occurred to me whitefly size since at that time then we never had a whitefly problem.I have seen them land on screen but never crawl through.
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KURT Last edited by kurt; March 25, 2016 at 03:45 PM. Reason: spelin |
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#22 |
Tomatovillian™
Join Date: Mar 2016
Location: Miami, FL
Posts: 42
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Carolyn, thanks for digging it up! I had actually found out that thread a couple hours ago and read through it but got distracted before posting the link here.
I'm gonna test my stove to see if I can keep a constant 122° F like Worth (in the linked thread) was able to. I wouldn't have thought that'd be possible but it would be great if it's that easy. Kurt, actually that explains a lot. I had come across several studies that found whitefly will avoid entering open screen enclosures if UV-blocking fabric is used, and also avoid flying over highly UV-reflective surfaces. I can't find the ones I stumbled across earlier but found this study: http://www.bioone.org/doi/abs/10.160...225X-35.4.1069. |
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Tags |
disease , tomato yellow leaf curl virus , tylcv , virus , whitefly |
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