Just picked up a Glohaven peach from Stark, which is apparently susceptible (not sure how much) to PLC, but resistant to brown rot and bacterial leaf spot. I had not planned on doing peaches, but my neighbor does minimal organic spray if anything at all and has had success with theirs (not sure of the variety) so I thought I’d give it a shot and get it in the ground this year. It arrived in nice condition - Stark can be hit or miss for me.
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One unforeseen issue with Contender: I only get about 900 chill hours in a normal winter, and some winters I get way, way less than that. Contender is a 1000 chill hour variety.
I’d probably only get enough chilling every third year or so.
OSO SC is pretty much same as many other Polyoxin-D fungicides used in the past like PH-D, Affirm WDG etc. Although these contain more than double the active ingredient and cheaper.
Looks like from this study OSO is very effective for brown rot.
PDMR12-PF034 peach.pdf (76.8 KB)
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Environmental working group does just that. Not only for food but also for cosmetics and anything else we come into contact with in our daily lives.
Check out ewg online and look for “the dirty dozen” list.