Q.plum leaf curl
I have a small plum tree about 3 years old and early this year it had a leaf curl problem. As a result, I had no fruit on it. I did spray with insecticide at that time. Where can I buy horticultural oil from?
Downtoearthdigs
Answered on November 4, 2016
Horticulture oil can be purchased at most garden centers, greenhouses and even home improvement centers.
Neem Oil is a good option.
You can also general order these products and have them shipped to you. Just do a 'Google' search.
Here are a few links for you.
https://www.gardeningknowhow.com/edible/fruits/plum/control-leaf-curl-plum-aphids.htm
http://www.ipm.ucdavis.edu/PMG/r611301811.html
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