Gardening and Horticulture - Tree Spray Question
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Robert111
05-01-06, 08:12 AM
Hi,
Hope this is the correct forum ?
If not, please suggest the right one.
Live outside of Boston.
Have a few White Birch trees, some Maples and Oaks, and several trees that I'm not sure what they are, frankly.
Some of the leaves, on most all of them, seem to be being "eaten," possibly by aphids (someone thought, but wasn't certain), a bit.
Is there any spray that I can buy, that's effective of a real wide variety of leaf-eaters, as well
as being near perfectly safe for all kinds of trees ?
Type and brand ?
Can it be used at any time of spring / summer ?
Guess I should also ask if what I might be after is a "systemic" type that would prevent the critters from eating all the leaves in the first place ?
Type and brand, if so ?
BTW: do Aphids eat leaves ?
Much thanks,
Bob
Hope this is the correct forum ?
If not, please suggest the right one.
Live outside of Boston.
Have a few White Birch trees, some Maples and Oaks, and several trees that I'm not sure what they are, frankly.
Some of the leaves, on most all of them, seem to be being "eaten," possibly by aphids (someone thought, but wasn't certain), a bit.
Is there any spray that I can buy, that's effective of a real wide variety of leaf-eaters, as well
as being near perfectly safe for all kinds of trees ?
Type and brand ?
Can it be used at any time of spring / summer ?
Guess I should also ask if what I might be after is a "systemic" type that would prevent the critters from eating all the leaves in the first place ?
Type and brand, if so ?
BTW: do Aphids eat leaves ?
Much thanks,
Bob
spdavid
05-01-06, 03:46 PM
My two choices would be Sevin and Malathion.Both are broad range general purpose insecticides,can be used on virtually anything and aren't particularly difficult to work with.These are well known well respected insecticides.Systemic isn't practical for trees due to their size etc.You will need a sprayer that is capable of reaching the higher limbs of your trees so consult a qualified saleperson at a hardware store or garden center for what best fits your needs.Avoid the big box stores as you're on your own there.
DIYaddict
05-01-06, 04:43 PM
BTW: do Aphids eat leaves ?
Technically they don't "eat" leaves. They are sucking insects so they do draw sap from them and cause the leaves and stems to become distorted. (The leaves will curl). If your leaves are curled (or some of them) they may be inside the curl so if you use some type of insecticide, it won't get to them.
Try hosing them first.
Technically they don't "eat" leaves. They are sucking insects so they do draw sap from them and cause the leaves and stems to become distorted. (The leaves will curl). If your leaves are curled (or some of them) they may be inside the curl so if you use some type of insecticide, it won't get to them.
Try hosing them first.
Newt
05-02-06, 02:56 AM
Hi Robert,
I'd say 'know thine enemy' before you spray. You may choose something that will kill beneficial insects as well. You need to first id what is chewing on the leaves or curling them. If you aren't certain, contact your local extension service to find out what is active in your area now.
http://www.umassextension.org/
Then try and choose something that is environmentally friendly.
Newt
I'd say 'know thine enemy' before you spray. You may choose something that will kill beneficial insects as well. You need to first id what is chewing on the leaves or curling them. If you aren't certain, contact your local extension service to find out what is active in your area now.
http://www.umassextension.org/
Then try and choose something that is environmentally friendly.
Newt