Basil Downy Mildew Monitoring Records 2015
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State (or country if not in US)Date Symptoms SeenEstimated Date Symptoms Started
Reporter Name
Reporter E-mail or other contact info
LocationField, Greenhouse, or GardenPlant and Planting SizeSeverityHow DiagnosedConfirmationAdditional Description and Comments; have you seen before?
200
Pennsylvania6/2/20155/25?Faye Parkerscrappingfaye58@aol.comReading, PAdeck pots8" pot, about 10" tall50%visiualphotographscut basil t cook with, noticed what i thought was dirt
201
Pennsylvania6/2/20155/26?Pam Weisspam.weiss@comcast.netAnn Arbor,MIPots on deck3 - 10"25%visual compared to this sitesame as last yearI noticed a dark and curling leaf and compared it to this site. I had it last year but thought it was Fusarium Wilt because I had that in 12 & 13 and in 14 I didn't do a comparison to the computer. All 3 years were a total loss.
202
Pennsylvania6/22/2015early JuneBeth Guginobkgugino@psu.eduState College, PAhome garden6 sweet basil plantsAll heavily sporulating, classic symptomsvisualyesSample brought into the Penn State Plant Disease Clinic.
203
Pennsylvania6/30/20156/25/2015Jennifer Glenisterjennifer@newmorningfarm.netHustontownFarm Fields4500 plants, Nufar and Eleonora<1% so fargray sporulation on underside of leaves4 years of experience diagnosingEarliest yet, we're organic, so pretty much our basil season ends here
204
Pennsylvania7/1/20157/1/2015Alison Grossoaligrosso@gmail.com Lords Valley, PA (NE PA)potted outsidesweet basil100%visualonline photoscouldn't understand why my plants were so sickly, have been all summer, set out on a western exposure porch, good amount of sun - Saw this on FaceBook - yup, tyhat's what's wrong with them!
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Pennsylvania7/15/20157/15/2015Sally Nachlassallynac@gmail.comSouth central Pa (Hershey)veg garden (raised bed)from seed: Genovese, Sweet, Siam Queen60%, 25% of Thaivisualinternet photos, descriptionHad it bad last year so I was watching for it. Got fresh seed, new location.When weather got dry, it started to appear on older plants. Pulling yellowing leaves before 'soot' takes hold. Thai not as severe, Purple Ruffles not affected (yet)
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Pennsylvania7/21/20157/21/2015PiaAmbler, PAGarden/PotSweetBasil 50%visualnosending photos
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Pennsylvania7/25/20157/25/2015Carol Carpentercarolcarpenter@comcast.netNew Hope, PAMed. Container
Sweet Basil80%visualconfirmed by Meg McGrath based on photographsmatches up with on-line photos
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Pennsylvania8/1/20157/31/2015Dyanne Jurindejurin@gmail.comZieglerville, PAgardenGenovese 10,Flat leaf 4100%Visualconfirmed by Meg McGrath based on photographsI had an outbreak last year with plants I had purchased that I noticed about early July. I started basil from seed this year and didn't have a problem until first week of August. I added compost about a week earlier - not sure if it had the spore. We have not had significant rain since 7/15/2015 to splash up. I use soaker hose 1x/week if no rain. After harvesting larger non yellow leaves I am trying neem oil to see if there is any affect.
209
Pennsylvania8/1/20157/15/2015Suzanne Linebaughsuzlinebaugh@gmail.comStewartstown, PAHome gardenSweet basil, 24 plants100%VisualComparison with online photos; same as last yearWe lost our whole first crop last year, but got a successful second crop in a new bed about 300 feet from original location. This year we planted in the second location only to have the midlew show up there too.
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Pennsylvania8/1/20157/15/2105Walt Rullotwo0cd@aol.comChalfont, PAgarden1 Sweet100%visualconfirmed by Meg McGrath based on photographsThis is our first garden in this location. Noticed discoloration about 2 weeks ago; prior we had very sweet, bright green growth. Now the entire plant is showing symptoms, except new growth. I attribute this to poor air circulation and exceptionally wet summer. Next year I'll try growbox on the deck.
211
Pennsylvania8/1/2015late JulyRyan Ehst
ryan@buttervalleyharvest.com
Bally, PAGreenhouseNufar25%VisualYesHave seen this the past 3 years now. This is the earliest it has been a problem for us. This has overall been the worst years for all fungus in the greenhouse.
212
Pennsylvania8/5/20157/25/2015Fran Smithtflksmit@ptd.netZionsville, PAhome gardenItalian Large Leaf 100%visualconfirmed by Meg McGrath based on photographsConfirmed by Meg McGrath from my photos. I had the same problem last year for the first time, but I didn't know what it was.
213
Pennsylvania8/9/2015early augustMischelle Carpenterevillegardener@gmail.comTunkhannockpotted plantSweet Basil30%visualonlineThe plants I started from seed and placed in my garden are healthy and thriving. I purchased a potted plant from a box store for my deck and this is the one with BDM. Plant has been destroyed and disposed of.
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Pennsylvania8/9/2015mid july 2015June Bergenmhershey66@gmail.comMifflinburg PAcontainer gardensweet100%visualnoplants looked great all through June but by mid-July they were wilting and I observed the black spores. these were store bought and planted in May. Lots of rain this year.
215
Pennsylvania8/11/2015early August 2015Nancy Larsonnmlshopping@comcast.netHarrisburg, PACommunity gardens8 genovese, started from seedBagged and removed entire plantvisual, comparisononlineLast year had a different plot in same community gardens and saw downy mildew in that location, also. June 2015 was exceptionally wet and July very dry. I started all my plants from seed. A lettuce leaf basil plant, also started from seed, was also affected. Genovese plants I started from same seed as my affected plants and given to a friend who is gardening at home were not affected.
216
Pennsylvania8/12/20158/1/2015Bob Hillbobhill51@mac.comPottstown,PAcontainers on patio+garden80-90%visualMegThis year’s basil is growing in two locations—one is in a very large patio ot that is on a sunny hot patio, and the plants (densely crowed and growing like weeds) frequently show signs of “flagging” (moderate wilting) when I forget the necessary daily watering of the pot. The other area is in a garden plot, with pine mulch, which requires less watering and which has never flagged. I noted a week or two ago, the garden basil plants showed “bronzing” of the leaves (looked like sun burn when I set out plants too early in the spring). Today while watering the garden, I turned over a basil leaf and it was covered with a brown fuzz. It matched descriptions and pictures of basil downy mildew. I then checked the patio pots that were much dryer all season and only some leaves show faint signs of the grey-brown spotting. There is no doubt that the garden plot is FAR more heavily infected than the plants growing on the hot concrete patio in containers——in fact, the seedlings were so dense when I bought them, I took the 9”pot that I purchased, which had about 30+ young seedlings in it, and separated them into different locations—so ALL plants came from the same source.
217
Pennsylvania8/15/2015AugustSusan Brutico
suebrutico@comcast.net
MalvernHome Garden6 pllants genovese Basil50%visual
online photos
second year for me. I started all from seed this year, I was hoping that would help.
218
Pennsylvania8/23/2015late JulyLaura Hutnerlhutner@comcast.netWynnewood, PAHome gardenSwt, lg lf,Thai, Genv75%visualnoI had a bit last year, but only at the very end of the season, and only in some plants.
219
Pennsylvania8/24/20158/20/2015G. Davisgdavis@bloomu.eduBloomsburg, PA home garden Sweet Basil, 2>70% visual websiteCame on very quickly
220
Pennsylvania8/30/2015?
Mary Ann Schmertz
schmertz1@verizon.net
Pittsburgh, PAhome gardensweet basil 25 plants95%visualHave had slight infection at end of season previous years. Earlier harvest this year fine. Even completely green leaves now have spores.
221
Pennsylvania8/31/20158/25/2015Lindsay Abel
lindsayabel@comcast.net
CoatesvilleRaised gardenSweet basil, 4 plants25%VisualInternet
222
Pennsylvania9/1/20157/1/2015Clara Folbclarafolb@gmail.comMt. LebanonGardenSweet basil, three plants in the soil, plus three more in a large pot that sits on a stone patio.90%Websites and visual inspectionthis websiteTwo separate bouts. The first was in July, when several plants in our garden began wilting and showing mildew on their leaves. The plants in question lost most of their leaves and were harvested to save the remaining leaves for use. The second bout is recent. Three plants purchased at a Giant Eagle grocery store were planted in a large, approximately 1.5' across pot on our patio. These were planted a week or two after the first bout ended. Plants were fine for about a month, then developed signs of mildew. On inspection today, the fungus had spread to a large portion of the leaves on all three plants.
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Pennsylvaniasummer 2014JulyF. Garrettkgartt@gmail.comN. Huntingdongardengenoveseentire plantvisualarticles
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