Square Foot Gardening Forum

Hello Guest!
Welcome to the official Square Foot Gardening Forum.
There's lots to learn here by reading as a guest. However, if you become a member (it's free, ad free and spam-free) you'll have access to our large vermiculite databases, our seed exchange spreadsheets, Mel's Mix calculator, and many more members' pictures in the Gallery. Enjoy.


Search
 
 

Display results as :
 

 


Rechercher Advanced Search

Latest topics
» So. California & Inland Valleys -March / April Planting Guide
by sanderson Today at 2:19 am

» My Solar Dehydrator at Work
by sanderson Today at 2:11 am

» Hello form (near) our nation's capital!
by sanderson Today at 1:59 am

» Advice and Preparations for Sweet Potatoes in Wisconsin
by sanderson Today at 1:25 am

» Happy Birthday!!
by sanderson Today at 1:21 am

» Compost for Mel's Mix
by CitizenKate Today at 1:10 am

» February 2017 Avatar: Time to Wake Up!
by countrynaturals Today at 12:17 am

» Hello from Pottstown, PA
by GardenLikeMad Yesterday at 11:12 pm

» Ground Cherries
by BeetlesPerSqFt Yesterday at 10:52 pm

» My name is boffer, and I'm a juicer.
by trolleydriver Yesterday at 9:06 pm

» Senseless Banter...
by trolleydriver Yesterday at 8:34 pm

» Bare Root Fruit Trees
by countrynaturals Yesterday at 7:13 pm

» Gardening in Central Pennsylvania, 3rd year SFG
by BeetlesPerSqFt Yesterday at 6:12 pm

» Invasive Tree Roots - Very important topic for newbies.
by sanderson Yesterday at 4:25 pm

» Northern California & Coastal Valleys - What are you doing this month?
by sanderson Yesterday at 4:11 pm

» Winter Gardens - Photos
by BeetlesPerSqFt Yesterday at 12:45 pm

» Turan in the Western Mountains
by Turan Yesterday at 12:23 pm

» Lower South Feb 2017
by ralitaco Yesterday at 11:59 am

» One Very Happy Earthworm!
by countrynaturals Yesterday at 11:14 am

» My experiences with commercial cedar raised beds
by ralitaco Yesterday at 11:06 am

» Third Year SFG in Canada
by sanderson Yesterday at 3:18 am

» Cold garage starters
by Ginger Blue 2/24/2017, 8:47 pm

» Butterfly Junction
by BeetlesPerSqFt 2/24/2017, 5:44 pm

» A really, really Frugal Gardener
by CapeCoddess 2/24/2017, 2:22 pm

» New England February 2017
by CapeCoddess 2/24/2017, 1:45 pm

» Spaghetti Squash Recipes
by newbeone 2/24/2017, 9:20 am

» New compost bin and 4x8 cedar bed
by newbeone 2/24/2017, 8:29 am

» N&C Midwest: February 2017
by CitizenKate 2/24/2017, 12:19 am

» How's the Weather Where You're At?
by Scorpio Rising 2/23/2017, 11:49 pm

» 2017 SFG Adventures in Hampstead, NC
by ralitaco 2/23/2017, 12:38 am

Google

Search SFG Forum

white powder

View previous topic View next topic Go down

white powder

Post  garden mark on 10/5/2010, 3:57 pm

It started on the cucumber plant and now has moved to the squash as well, it looks like a white powder on the older leaves and turns almost blue, is this natural part of the end of the season or do I have some type of fungas?

garden mark

Posts : 17
Join date : 2010-06-10
Location : san jose, ca.

View user profile

Back to top Go down

Re: white powder

Post  Chopper on 10/5/2010, 6:28 pm

I would guess powdery mildew. Once you get it it is hard to defeat but there are remedies out there. There might be a powdery mildew thread on the forum you could access or the WWW of course. Smile

Chopper

Female Posts : 2467
Join date : 2010-05-05
Age : 61
Location : Warner Springs, CA USDA Zone 8a, Sunset Zone 7 (I think)

View user profile http://thezimmermannfamilytoo.blogspot.com

Back to top Go down

powdery mildew

Post  garden mark on 10/6/2010, 3:32 pm

Soda I see by your post on another location that you are having some of the same problem, what is the milk spray/bath?
Mark


Last edited by garden mark on 10/6/2010, 3:33 pm; edited 1 time in total (Reason for editing : spelling)

garden mark

Posts : 17
Join date : 2010-06-10
Location : san jose, ca.

View user profile

Back to top Go down

Re: white powder

Post  Chopper on 10/6/2010, 6:12 pm

In my garden notes I found this:
Fungal spray - mildew, blight etc. : Hydrogen peroxide or BAKING SODA - 1/4 oz in gal with oil or soap

Chopper

Female Posts : 2467
Join date : 2010-05-05
Age : 61
Location : Warner Springs, CA USDA Zone 8a, Sunset Zone 7 (I think)

View user profile http://thezimmermannfamilytoo.blogspot.com

Back to top Go down

Re: white powder

Post  boffer on 10/6/2010, 6:28 pm

Oh....I thought he meant Shoda...oops

My guess was PM also. My solution, since I get it every year, is to throw the plant away at the end of the season (don't compost it) and not worry about it. But I'm in a different climate, and not everyone is comfortable doing nothing.

boffer

Male Posts : 7392
Join date : 2010-02-26
Age : 63
Location : yelm, wa, usa

View user profile http://boffer.us/

Back to top Go down

Re: white powder

Post  Megan on 10/6/2010, 7:13 pm

Looks like powdery mildew to me. Some of my squash struggled on despite it. You might try some Neem oil spray; if I remember correctly the bottle says it gets rid of it.

Megan

Female Posts : 3350
Join date : 2010-04-27
Age : 49
Location : Manassas, VA - Zone 7a

View user profile http://novasquarefootgardener.blogspot.com/

Back to top Go down

Re: white powder

Post  garden mark on 10/6/2010, 8:31 pm

@garden mark wrote:Shoda I see by your post on another location that you are having some of the same problem, what is the milk spray/bath?
Mark

garden mark

Posts : 17
Join date : 2010-06-10
Location : san jose, ca.

View user profile

Back to top Go down

thanks

Post  garden mark on 10/6/2010, 8:43 pm

thanks for the reply, I cut off infected leaves and will keep away from compost.
Wow a rain shower, first in months!

garden mark

Posts : 17
Join date : 2010-06-10
Location : san jose, ca.

View user profile

Back to top Go down

Re: white powder

Post  Shoda on 10/7/2010, 1:16 am

Sorry I have not been on the forum as much lately. Here is some of the information I found on milk sprays:

Less than 3 years ago, researchers in South America discovered a new alternative to controlling powdery mildew. Wagner Bettiol, a scientist from Brazil, found that weekly sprays of milk controlled powdery mildew in just as effectively as synthetic fungicides such as fenarimol or benomyl. Not only was milk found to be effective at controlling the disease, it also acted as a foliar, boosting the plant's immune system.

http://www.pioneerthinking.com/tv-mildew.html

The ratio they talk about is 1 part milk to 9 parts water.

Hope this helps.

Shoda

Female Posts : 439
Join date : 2010-03-19

View user profile http://www.buzztools.com

Back to top Go down

spray for powdery mildew

Post  Boxbuilder on 10/8/2010, 6:22 pm

I've been treating my cucumbers, zucchini, and acorn squash with a spray (mostly water) with baking soda, dish soap, and veg. oil. I haven't been measuring amounts, but there are recipes online. I have to reapply it every week or so, but I think it's helped keep my plants healthy.

Boxbuilder

Posts : 5
Join date : 2010-10-08
Location : Castro Valley, CA

View user profile

Back to top Go down

Re: white powder

Post  PNG_Grandma on 10/14/2010, 3:24 pm

I've been using the milk/water spray over the past few days and my plants actually look better. There is less of the powdery stuff on the squash leaves and they all seem to be greener, not sure if that's something that would have happened naturally or the milk spray...but it seems to be working! I sprayed two days ago and then again today. The plants are producing more blossoms so I'm hoping this is working!

PNG_Grandma

Female Posts : 292
Join date : 2010-06-20
Age : 69
Location : Modesto CA, Central Valley, USDA Zone 9b, Sunset 14, AHS Heat Zone 8, whew!

View user profile

Back to top Go down

Re: white powder

Post  Sponsored content


Sponsored content


Back to top Go down

View previous topic View next topic Back to top


 
Permissions in this forum:
You cannot reply to topics in this forum