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Official Blog of the UC Master Gardener Program of Contra Costa County
Sunflowers
Comments:
by Jane Hirt
on May 14, 2019 at 12:39 AM
Why would you use a fungicide to treat any diseased tree? By doing so, you will wipe out the thousands of helpful fungi living in the soil.
Reply by Steve I Morse
on May 20, 2019 at 10:29 AM
MGCC Editor:  
This is the recommended process/treatment from UCANR. Many of these treatment methods consist of tradeoffs between production vs. treatment. peachleaf curl is treated now by virtue of state requirementa of half of the copper of a decade ago. Almost all fungicide treatments are prevention, i.e. you treat to prevent the fungicide at some expense of the various fungii, but at a level that hopefully will stop the fungii but allow the tree and other "good bugs" to survive and thrive.
Reply by Steve I Morse
on May 20, 2019 at 10:32 AM
MGCC Editor:  
This is the recommended process/treatment from UCANR. Many of these treatment methods consist of tradeoffs between production vs. treatment. peachleaf curl is treated now by virtue of state requirementa of half of the copper of a decade ago. Almost all fungicide treatments are prevention, i.e. you treat to prevent the fungicide at some expense of the various fungii, but at a level that hopefully will stop the fungii but allow the tree and other "good bugs" to survive and thrive and get good fruit.
 
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