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10-10-2024, 10:48 AM
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Senior Member
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Join Date: Oct 2020
Zone: 9b
Location: Lake Charles, Louisiana
Age: 70
Posts: 1,476
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Appropriate fungicide
Question: If the St. Augustine website calls for a copper-based fungicide for an issue, would Physan 20, which doesn't contain copper, still be an appropriate fungicide? The issue is brown spot at the leaf apex and moving down the leaf of a paph.
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10-10-2024, 11:30 AM
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Super Moderator
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Join Date: Jun 2008
Zone: 10a
Location: Coastal southern California, USA
Posts: 13,738
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Physan 20 isn't going to do much. Good for getting rid of algae on the greenhouse floor, surface stuff only.
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10-10-2024, 05:39 PM
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Senior Member
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Join Date: Jun 2015
Zone: 9b
Location: Phoenix AZ - Lower Sonoran Desert
Posts: 18,575
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I think they mean Bordeaux mixture.
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10-10-2024, 05:51 PM
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Super Moderator
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Join Date: Jun 2008
Zone: 10a
Location: Coastal southern California, USA
Posts: 13,738
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Or Phyton 35, a copper-containing fungicide.
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10-10-2024, 07:58 PM
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Senior Member
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Join Date: May 2005
Location: Oak Island NC
Posts: 15,149
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Copper-based means copper based.
Physan is a disinfectant, not a fungicide, per se. It will kill fungi, bacteria, and viruses to which it comes in direct contact - not those infecting organisms.
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10-13-2024, 11:00 AM
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Senior Member
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Join Date: Oct 2020
Zone: 9b
Location: Lake Charles, Louisiana
Age: 70
Posts: 1,476
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Thanks for the responses. I will get a copper based fungicide.
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10-13-2024, 12:12 PM
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Super Moderator
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Join Date: Jun 2008
Zone: 10a
Location: Coastal southern California, USA
Posts: 13,738
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Or Phyton 27 may be easier to get... the two Phytons are similar.
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10-13-2024, 02:01 PM
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Senior Member
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Join Date: May 2005
Location: Oak Island NC
Posts: 15,149
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I carry the Southern Ag Liquid Copper product - and it's included in my anniversary sale.
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10-13-2024, 04:44 PM
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Senior Member
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Join Date: Oct 2020
Zone: 9b
Location: Lake Charles, Louisiana
Age: 70
Posts: 1,476
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Quote:
Originally Posted by Ray
I carry the Southern Ag Liquid Copper product - and it's included in my anniversary sale.
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Thanks Ray. I placed the order. How is the shipping in your area? |
10-14-2024, 08:19 AM
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Senior Member
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Join Date: May 2005
Location: Oak Island NC
Posts: 15,149
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Quote:
Originally Posted by Dusty Ol' Man
Thanks Ray. I placed the order. How is the shipping in your area?
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No issues. USPS is off today, but UPS is working. |
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