my powdery mildew update

ricky6991

Well-Known Member
Ok so today i chopped all signs of pwder mildew off and bought some collidial silver which i foliar fed and fed with my nutrient mix. Tomarrow i am building a plastic greenhouse and putting 2 fans inside it for them.

Anyone have experience with the collidial silver for actually stopping and preventing it from returning? There shoudlnt be any morning dew on them an fans on them constantly from now on.
 

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justanotherbozo

Well-Known Member
...coloidal silver is used to force female plants to become 'male' and throw pollen that is then used to pollinate other female plants that will then produce feminized seeds, ...not as a treatment for powdery mildew.

peace, bozo
 

ricky6991

Well-Known Member
Ehhh, says right in big writing on the bottle that it is for killing fungus andr mildew on plants. Doesnt say anything about feminizing seeds. I have heard it does do that for seeds but the purpose on the bottle of what the product does is to kill fungus and prevent it.
 

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justanotherbozo

Well-Known Member
...yeah, i can't see the package well enough to read the ingredient list but what i can see is it says 'Coloidal Shield' which might not have anything to do with coloidal silver.

A colloid is a substance microscopically dispersed throughout another substance.[SUP][1][/SUP]
The dispersed-phase particles have a diameter of between approximately 2 and 500 nanometers.[SUP][2][/SUP] Such particles are normally invisible in an optical microscope, though their presence can be confirmed with the use of an ultramicroscope or an electron microscope. Homogeneous mixtures with a dispersed phase in this size range may be called colloidal aerosols, colloidal emulsions, colloidal foams, colloidal dispersions, or hydrosols. The dispersed-phase particles or droplets are affected largely by the surface chemistry present in the colloid.
Some colloids are translucent because of the Tyndall effect, which is the scattering of light by particles in the colloid. Other colloids may be opaque or have a slight color.
Colloidal solutions (also called colloidal suspensions) are the subject of interface and colloid science. This field of study was introduced in 1861 by Scottish scientist Thomas Graham.
 

ricky6991

Well-Known Member
nope your almost 100% rigjt... im fucking pissed right now... im 2 weeks from harvesting about 3lb off these an today because the hydro store i got from , who recommended this stuff an said used it, im fucked...

i doubt im going to get sleep tonight, i foliar fed them earlier and fed to the soil like it says... turns out you can feed on soil an not have any effects except to kill fungus ect... when you foliar feed it makes them sproute bananas. it does say to use it every single day in strong does for it to work. so hopefully one spray wont turn them.

i wanna call store tmr an flip out . i called for another product completely an he said he used it an worked great. so far all i read is about make bananas when foliar feeding... worst part is i always read up before hand. of course i didnt this time.
 

justanotherbozo

Well-Known Member
nope your almost 100% rigjt... im fucking pissed right now... im 2 weeks from harvesting about 3lb off these an today because the hydro store i got from , who recommended this stuff an said used it, im fucked...

i doubt im going to get sleep tonight, i foliar fed them earlier and fed to the soil like it says... turns out you can feed on soil an not have any effects except to kill fungus ect... when you foliar feed it makes them sproute bananas. it does say to use it every single day in strong does for it to work. so hopefully one spray wont turn them.

i wanna call store tmr an flip out . i called for another product completely an he said he used it an worked great. so far all i read is about make bananas when foliar feeding... worst part is i always read up before hand. of course i didnt this time.
...relax brother, if you're 2 weeks from harvest you have nothing to worry about because it takes MULTIPLE applications of coloidal silver to reverse a female so you are safe in that regard.

also, if you are only 2 weeks away from harvest there aren't that many treatments for powdery mildew that are safe to use, ...many of the most effective are systemic and you can't use those.

...oddly enough milk is probably your best option and you'll need to re-spray every 2 or 3 days until you harvest in order to contain the pm and believe me, it works very well as an organic fungicide.

here are a couple of articles i found when i was battling pm for the first time.

peace, bozo

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Milk is a useful fungicide in the garden, and is more effective than standard chemical brands.


Researchers believe the potassium phosphate in milk boosts a plant's immune system to fight the fungi.

Where most organic gardeners use a baking soda, soap and oil solution, milk may be substituted to combat the unwanted fungus.

Preparing a Milk Solution and Spraying Schedule

The correct dilution and spraying schedule for garden plants depends on the situation and takes some trial and error.

A milk fungicide solution can range from 1 part milk to 9 parts water, to a strong, milk-only solution. A 1:1 dilution may work for a week, but a 1:8 solution requires spraying every 3 or 4 days.

Skim milk may work better than whole milk, as the higher fat milk may clog a sprayer; even reconstituted powdered milk works.

Uses for Milk Fungicide

Milk was originally used in the garden to treat powdery mildew on squash plants. It is now also commonly used on flowers such as rudebekia (Black-eyed Susans) and Begonias to cure powdery mildew.

Milk has also been used to cure Botrytis on a Cyclamen houseplant. This was applied full strength every morning (leftover breakfast milk). Rotten leaves were picked away and the plant pulled through with no more Botrytis.

Black spots and rust on roses can be controlled but not cured with milk. Fortunately, milk can prevent the spread of these fungi to other plants and new leaves. This can be very useful when bringing home a plant from the nursery and finding a black spot.


The copyright of the article Milk as a Garden Fungicide for Powdery Mildew, Botrytis, and Black Spots in Organic Gardening is owned by Deborah Turton. Permission to republish Milk as a Garden Fungicide for Powdery Mildew, Botrytis, and Black Spots in print or online must be granted by the author in writing.


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by Arzeena Hamir
Powdery Mildew

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 zucchini 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 fertilizer, boosting the plant's immune system.

Powdery mildew in the cucurbit family is caused by the organism Sphaerotheca Fuliginea. It is a serious disease that occurs worldwide. For decades, organic gardeners had to rely on making a spray from baking soda to control the disease. Now, instead of measuring out the baking soda and combining it with a surfactant (a "sticking" substance) of either oil or soap, gardeners need only head for their refrigerators.

In his experiments with zucchini plants, Bettiol found that a weekly spray of milk at a concentration of at least 10% (1 part milk to 9 parts water) significantly reduced the severity of powdery mildew infection on the plants by 90%. While some gardeners may be tempted to increase the concentration of milk for more control, Bettiol found that once concentrations rose above 30%, an innoccuous fungus began to grow on the plants. How does milk control powdery mildew?

Scientist aren't 100% sure how milk works to control this disease. It seems that milk is a natural germicide. In addition, it contains several naturally occurring salts and amino acids that are taken up by the plant. From previous experiments using sodium bicarbonate, potassium phosphate, and other salts, researchers have found that the disease is sensitive to these salts. It is possible then, that milk boosts the plant's immune system to prevent the disease.

Milk used around the world
The benefits of using milk to control powdery mildew haven't been isolated to Brazil. Melon growers in New Zealand are saving thousands of dollars every year by spraying their crops with milk instead of synthetic fungicides. The melon growers in New Zealand have been so successful that the wine industry is taking notice and beginning experiments using milk to control powdery mildew in grapes.

What kind of milk should be used?
In Bettiol's original experiment, fresh milk was used, straight from the cow. However, this is obviously not feasible to most home gardeners. The research work in New Zealand actually found that using skim milk was just as effective. Not only was it cheaper, but the fact that the milk had no fat content meant that there was less chance of any odours.

Wagner Bettiol's original article was published in the journal Crop Science (Vol. 18, 1999, pp. 489-92).
 

justanotherbozo

Well-Known Member
...btw, you dilute the milk down to about a 10% solution or you'll clog your spray bottle nozzle and be sure and refrigerate any unused portion or it'll sour on you, ...and clean the spray bottle and nozzle after you use it so any residual milk doesn't first curdle and then turn to concrete in the nozzle tip.

...oh, and ANY kind of milk will do the trick, even powdered milk will work just be sure and run it through a paint strainer before you load up your spray bottle.

...and don't be shy, spray the shit out of your plants including under the leaves, with the caveat that you don't want to soak the buds this close to harvest so use your own judgement.

peace, bozo
 

borgey401

Member
Its going to take more than one foliar feeding and a couple weeks to turn male. But your PM problem is not going to be solved this close to harvest in such short time but I do wish you the best man good luck.
 

justanotherbozo

Well-Known Member
Its going to take more than one foliar feeding and a couple weeks to turn male. But your PM problem is not going to be solved this close to harvest in such short time but I do wish you the best man good luck.
...maybe you should take the time to read the posts above, you might learn something, ...or is it your post count your worried about?

bozo
 

BWG707

Well-Known Member
Boy, a lot of these Hydro Stores have salesmen that only care about $$. They tell you anything just to get the most $$ possible out of you. The store in my area had a salesman that at first I thought was cool and might actually be helpful, until one day I went in to ask a question and before I ccould even finish, he was already telling me I needed a whole PH setup; meter, solutions, Up Down,
etc. He didn't even ask if I had one or not. Then I move close to the counter and he's saying the same thing to another customer and then if by magic he pulls out a bag of PH meters and says your in luck, we just started carrying these. What a joke most of these stores are- they could care less about your plants and your problems. Ill never buy anything from that store again.
 
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