oops; I hit send instead of paste!: The Cornell Formula. . In one gallon of water, mix and repeatedly shake: . 1 tablespoon baking soda . 2 drops dishwashing liquid or insecticidal soap . 1 tablespoon oil. You can use vegetable oil, but 'horticultural oil' will work better, especially one of the new lighter-weight "summer oils". (Cowboy Gardeners: Do NOT use motor oil or WD-40 or any other such foolish thing.)
----- Original Message ----- From: "Mike McGrath" <[EMAIL PROTECTED]> To: "Burrows, Rhoda" <[EMAIL PROTECTED]>; "Fred Conrad" <[EMAIL PROTECTED]>; "Libby J. Goldstein" <[EMAIL PROTECTED]>; "Melanie Bowles" <[EMAIL PROTECTED]> Cc: <[email protected]> Sent: Friday, August 22, 2008 3:56 PM Subject: Re: [Community_garden] Powdery Mildew Problem > actually, you're all kind of dancing around The Cornell Formula, a > baking-soda based spray developed at that University that has shown > success against even black spot. Here it is: > > ----- Original Message ----- > From: "Burrows, Rhoda" <[EMAIL PROTECTED]> > To: "Fred Conrad" <[EMAIL PROTECTED]>; "Libby J. Goldstein" > <[EMAIL PROTECTED]>; "Melanie Bowles" <[EMAIL PROTECTED]> > Cc: <[email protected]> > Sent: Friday, August 22, 2008 3:52 PM > Subject: Re: [Community_garden] Powdery Mildew Problem > > >> Powdery mildews are for the most part specific to the species of plants, >> so cucumber mildews will not spread to brassicas. >> As far as the baking soda recipe, adding 1 tsp. of cooking oil to the >> 1 tbsp. soda will help serve as a sticker/spreader for better coverage. >> >> Rhoda Burrows, PhD >> Extension Horticulturist & Assoc. Prof. >> Horticulture, Forestry, Landscape & Parks Dept. >> Box 2140A - 201 SNPB >> South Dakota State University >> Brookings, SD 57007 >> 605-688-4731 voice >> 605-688-4713 FAX >> [EMAIL PROTECTED] >> >> -----Original Message----- >> From: [EMAIL PROTECTED] >> [mailto:[EMAIL PROTECTED] On Behalf Of >> Fred Conrad >> Sent: Friday, August 22, 2008 2:08 PM >> To: Libby J. Goldstein; Melanie Bowles >> Cc: [email protected] >> Subject: Re: [Community_garden] Powdery Mildew Problem >> >> Hey, here in Georgia, powdery mildew affects anything with a fuzzy leaf, >> including turnip greens, radishes, and anything else fuzzy like people >> with too much facial hair and most small dogs. >> >> Collard greens not so much and as soon as it cools off a bit everything >> that's still alive snaps right out of it. So I agree with Libby, don't >> sweat it. >> fgc >> >> -----Original Message----- >> From: [EMAIL PROTECTED] >> [mailto:[EMAIL PROTECTED] On Behalf Of >> Libby J. Goldstein >> Sent: Friday, August 22, 2008 2:38 PM >> To: Melanie Bowles >> Cc: [email protected] >> Subject: Re: [Community_garden] Powdery Mildew Problem >> >> To my knowledge, powdery mildew doesn't affect Brassicas and other fall >> greens. However, if you are worried about it, lay in some baking soda. >> If you see signs of mildew, spray the plants with a solution of >> 1 TBS baking soda to a gallon of water. >> >> Libby >> On Aug 22, 2008, at 2:34 PM, Melanie Bowles wrote: >> >>> Hello, does anyone have suggestions for combatting powdery mildew >>> in a vegetable garden? We had it on some cucumber plants and have >>> since cleared the plot, but I am worried that when we plant our >>> greens for the fall, it's just going to come back. We would like >>> to prevent it without using any harmful chemicals... Thank you for >>> any suggestions you have! >>> >>> -Melanie >>> Garden of CAYNDness in Columbus, Ohio >>> >>> >> >> _______________________________________________ >> The American Community Gardening Association listserve is only one of >> ACGA's services to community gardeners. To learn more about the ACGA and >> to find out how to join, please go to http://www.communitygarden.org >> >> To post an e-mail to the list: >> [email protected] >> >> To subscribe, unsubscribe or change your subscription: >> http://list.communitygarden.org/mailman/listinfo/community_garden_list.c >> ommunitygarden.org >> Confidentiality Notice: The information contained in this e-mail >> message is legally privileged and confidential >> >> information intended only for the use of the individual or entity to >> whom it is addressed. If the reader of this >> >> message is not the intended recipient, you are hereby notified that any >> use, dissemination, distribution or copy >> >> of this e-mail message and attachments is strictly prohibited. If you >> have received this message >> >> in error, please delete it in its entirety. >> >> >> _______________________________________________ >> The American Community Gardening Association listserve is only one of >> ACGA's services to community gardeners. To learn more about the ACGA and >> to find out how to join, please go to http://www.communitygarden.org >> >> To post an e-mail to the list: >> [email protected] >> >> To subscribe, unsubscribe or change your subscription: >> http://list.communitygarden.org/mailman/listinfo/community_garden_list.c >> ommunitygarden.org >> >> _______________________________________________ >> The American Community Gardening Association listserve is only one of >> ACGA's services to community gardeners. To learn more about the ACGA and >> to find out how to join, please go to http://www.communitygarden.org >> >> To post an e-mail to the list: [email protected] >> >> To subscribe, unsubscribe or change your subscription: >> http://list.communitygarden.org/mailman/listinfo/community_garden_list.communitygarden.org >> >> > _______________________________________________ The American Community Gardening Association listserve is only one of ACGA's services to community gardeners. To learn more about the ACGA and to find out how to join, please go to http://www.communitygarden.org To post an e-mail to the list: [email protected] To subscribe, unsubscribe or change your subscription: http://list.communitygarden.org/mailman/listinfo/community_garden_list.communitygarden.org
