Hey Bill, I've never tried this, as I've never had a problem, but I've read that organic treatments for powdery mildew include hydrogen peroxide or milk. The...
15177
MarkC
mcantrell777
Mar 19, 2013 9:30 pm
I use Copper Sulfate quite a bit in my spray program, in between Nova, Pristine and Penncozeb and later in the season when being closer to harvest rules out...
15178
H.Jack McCunn_Jr.
hjmccunn
Mar 20, 2013 2:38 am
These attachments might help. "Immunox" is the same as Nova (Rally), it is a liquid, it does have instructions for use on grapes. DO NOT USE "Immunox Plus",...
15179
... Hack
bhack2
Mar 20, 2013 4:36 am
Some of these chemical like myclobutanil may not be as benign as some would suggest. I trust the European Hazards Identification standards more than I do the...
15180
montveil
Mar 20, 2013 2:57 pm
Be aware that certain grape varieties are very sensitive to copper or sulfur. Here are few areas where you can get more info ...
15181
Bill
billbird2111
Mar 20, 2013 4:45 pm
I tend to use what works. Not all organic controls do, despite what some people claim. If organic controls were 100% effective, there would have been no Irish...
15182
Bill
billbird2111
Mar 20, 2013 4:47 pm
Interesting. Doesn't even mention mycobutanil....
15183
MarkC
mcantrell777
Mar 20, 2013 7:45 pm
Nova is listed in the ipmguidelines link. It is, or contains, mycobutanil. Mark...
15184
Karl Klein
koklein
Mar 20, 2013 8:02 pm
Myclobutanil has been the best one for me. I'm open for suggestions. I've been on a quest for the grape that doesn't need spraying. That hasn't worked...
15185
H.Jack McCunn_Jr.
hjmccunn
Mar 20, 2013 9:46 pm
I have used "Serenade"; with some success, it helps, but doesn't cure. Another good one is "Actinovate", it is a powder, a bacteria that eats different fungi,...
15186
H.Jack McCunn_Jr.
hjmccunn
Mar 20, 2013 9:57 pm
Dithane (Mancozeb) and Captan are in the same family, work the same way, and on the same groups of fungi. Tebuconazole and Myclobutanil are in the same family...
15187
Jim Baker
jbaker_engin...
Mar 21, 2013 1:36 am
The best defense against mildew is a multi-pronged approach. Cultural practices (balanced pruning, shoot thinning), and appropriately timed spray schedule is...
15188
Bill
billbird2111
Mar 21, 2013 5:01 pm
Jim, You won't believe this, but California has BANNED most Bonide products. I couldn't believe it when I could no longer find the tomato fruit set spray...
15189
jbaker_engin...
Mar 22, 2013 11:22 am
As my Russian friends would say "That is suck!". Jim...
15190
Elayne Mott
elaynemott
Mar 22, 2013 8:56 pm
Hi there: We're back from our two weeks in Cuba.....had an awesome time and the weather was great too....will be in touch again soon. Elayne "Have a grape...
15191
Bo
bopatey
Mar 23, 2013 1:54 am
I would suggest that everyone go to their County Extension Office (or equivalent) and get a copy of the Midwest Commercial Small Fruit and Grape Spray Guide....
15192
Bo
bopatey
Mar 25, 2013 4:17 pm
I did a search for the guide and it is on line as a pdf download, but I like the published version as I can go back and forth thru the pages. It has so much...
15193
Gregory
gregglaz
Mar 28, 2013 9:05 pm
I was advised that own-rooted european varieties planted in the area of San Jose, CA would succumb to phylloxera. I understand american varieties are naturally...
15194
Mike
dmoglesby
Mar 28, 2013 10:16 pm
Check with UC Davis as they have done many research studies on various root stock. Also you can probably Google many of their studies. Choice of rootstock...
15195
jbaker_engin...
Mar 29, 2013 2:07 am
You will need a grafting tool or be able to make a whip cut. If you google omega grafting tool you should be able to find a tool. You will also need to seal...
15196
H.Jack McCunn_Jr.
hjmccunn
Mar 29, 2013 1:04 pm
Good advice! Read up as much as you can about root stocks. You might even try an 'own rooted' vine or two to see what problems you have, then you can pick a...
15197
... Hack
bhack2
Apr 6, 2013 5:26 pm
Time to buy a ph meter for my hobby wine making. How much do I have to spend? What do I need? What is the most reliable? What is the easiest to maintain? What...
15198
H.Jack McCunn_Jr.
hjmccunn
Apr 7, 2013 3:02 pm
Good questions. I have no good answers. I have the 'Checker' pH meter. it is affordable, needs frequent re-adjustments - while in use. Replacements...
15199
Ted
tedldo
Apr 8, 2013 10:29 pm
Hack I use a Hanna H198121 & love it. Super easy to calibrate, temp mode it's just cool Ted ________________________________ From: ... Hack...
15200
Uncle Ace
uncleace2001
Apr 10, 2013 2:46 pm
I use the Extech pH100 http://goo.gl/rnKvf Very easy to use, very repeatable. It is rarely off by more than 0.02 when I recalibrate. Bob Utter Flying Otter...
15201
... Hack
bhack2
Apr 13, 2013 9:24 am
Thanks for all your comments folks. The Extech PH100 extra features got my nod. ..... b From: bobhack@... To: growgrapes@yahoogroups.com Subject: PH...
15202
Gregory
gregglaz
Apr 22, 2013 10:44 pm
I am slowly advancing my project to get some true muscats for my back yard. After finding out about phylloxera on this forum, I've looked into rootstock and...
15203
H.Jack McCunn_Jr.
hjmccunn
Apr 23, 2013 4:28 pm
What I've seen done: A 3 bud cutting of the root stock is de-budded and a grafting tool is used to attach a 2 bud cutting to the top of the de-budded 3 bud...
15204
Ned Smith
smithn00
May 21, 2013 3:17 pm
I have had my small vineyard for about 10 years. I have always pruned in the spring and then left the vine to grow as it would. This year I pruned and then...
15205
Stephen
s_h_bailey
1:56 am
Yes. If you already have enough canes, you don't need extra shoots that come from latent buds. They serve no worthwhile purpose. It saves work rubbing them...
