spraying a young Plum tree

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dun1kirk Berkeley, CA(Zone 9a) Mar 09, 2017

My 2 or 3 year old plum tree is now in bloom. Last month I did spray with a dormant spray. Now, when & with what should I spray after blossom drop?
thanks

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MaypopLaurel Cleveland,GA/Atlanta, GA(Zone 7b) Mar 09, 2017

I have two plum trees and never have sprayed them. The trees are healthy and the fruit is blemish free. This is not the case with peaches though. Do plums have specific problems in your area? Sorry I have no helpful advice.

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Handroanthus Lynnwood, WA Mar 10, 2017

What type of plums do you have? European or Japanese? Are they blooming now? Depending the type of plum tree you are growing, the management can vary. I have about 9 plums in my yard and none have been sprayed nor have disease.

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dun1kirk Berkeley, CA(Zone 9a) Mar 12, 2017

It is a Santa Rosa plum

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Handroanthus Lynnwood, WA Mar 20, 2017

Ok so its a Prunus salicina type and as such an early bloomer. Santa Rosa is not used commercially because of its susceptibility to leaf scald among other things. One of the main problems with early blooms can be bacterial canker. Make sure you keep the soil free of fallen leaves, remove dead and diseased limbs- spraying your pruning cuts in between cuts in the event of disease, maintain an open center form, and keep the tree properly irrigated and fed. Periodically inspect the leaves during the growing season to identify aphid or insect issues- scale, mites, to name a few

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