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They feed on tomato or potato plant sap and inject a toxic saliva that causes the characteristic "psyllid yellows." Leaves turn yellow; veins often turn purple. Stems may become distorted, giving the bush a zig-zag appearance. ... Vascular system discolored. See wilting section.
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www.ext.colostate.edu/PUBS/Garden/02949.html
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Foliage diseases have spots on the leaves and wilting is not part of the picture. ... Water will revive the wilt a little (we have been very dry), but the root system should be very well established since I plant 80% of the tomato plant underground, approximately 1 to 1.5 feet deep. The wilting has gotten worse,
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forums.gardenweb.com/forums/load/tompests/msg0723454111...
forums.gardenweb.com/forums/load/tompests/msg0723454111409.html
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Tomato Wilt Problems; Steve Bost, Professor, Entomology and Plant Pathology; There are many possible causes of wilting of tomato plants. ... Some of the major causes of wilting are discussed below. Fusarium Wilt; The first symptom of fusarium wilt is yellowing of the lower leaves, often on only one side of the plant.
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www.utextension.utk.edu/publications/spfiles/sp370-C.pd...
www.utextension.utk.edu/publications/spfiles/sp370-C.pdf
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Southern Blight fungus girdles the tomato stem and prevents the plant from taking up water and nutrients. ... Symptoms include: wilting during the hottest part of the day and recovering at night, yellowing and eventually browning between the leaf veins starting with the older, lower leaves and discoloration inside the stems.
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gardening.about.com/od/vegetablepatch/a/TomatoProblems....
gardening.about.com/od/vegetablepatch/a/TomatoProblems.htm
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Tomato leaves curl down? Flowering Almond Leaf Curl? Why do hydroplonic plants curl? Why tomato leaves curl upwards? Tomato plant leaf wilt symptons? ...
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wiki.answers.com/Q/What_causes_leaf_curl_on_tomato_plan...
wiki.answers.com/Q/What_causes_leaf_curl_on_tomato_plants
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Or, leaves drooping for part of the day and then perking back up (still not good, stressful for plant but possible can be redeemed). ... I just heard on a radio gardening show that tomato leaves can curl from the wind. I had this happen to some of my tomato plants and I thought they were wilting. There is nothing you can do.
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www.mothering.com/discussions/showthread.php?t=476969
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This summer many gardeners have been puzzled by the sudden wilting and death of tomato plants. Possible causes of wilting include lack of ... The initial symptoms of Verticillium and Fusarium wilts are wilting of the plant leaves during the heat of the day. Affected plants often recover in the evening or overnight.
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www.ipm.iastate.edu/ipm/hortnews/1992/7-22-1992/tomato....
www.ipm.iastate.edu/ipm/hortnews/1992/7-22-1992/tomato.html
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for allowing the reproduction of the images in the publication "Tomato Diseases-A Practical Guide for Seedsmen, Growers & Agricultural Advisors." ... Tomato Disorders...
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aggie-horticulture.tamu.edu/tomatoproblemsolver/index.h...
aggie-horticulture.tamu.edu/tomatoproblemsolver/index.html
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