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Lemon tree disease
Can anyone tell me the disease and/or solution?
My lemon tree's branches are all quite black and most branches are covered in what look like insect eggs on them (colour and size of sesame seeds). The underside of the leaves are mostly okay but have some of the same eggs. Are these indeed eggs and is the black colour some fungus that is related? Will malathion or white oil fix it? TIA, etc. |
#2
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Lemon tree disease
"Mike Echo" wrote in message
.au... Can anyone tell me the disease and/or solution? My lemon tree's branches are all quite black and most branches are covered in what look like insect eggs on them (colour and size of sesame seeds). The underside of the leaves are mostly okay but have some of the same eggs. Are these indeed eggs and is the black colour some fungus that is related? Will malathion or white oil fix it? TIA, etc. From the description of the "insect eggs" it sounds like scale. What looks like eggs are actually the scale, their protective coating, the insect is under them. You will find white oil or spray oil should kill them. Just make sure you spray/cover all of them. Oh yeah, I take it the "black" look of the branches are due to masses of these scale? The only other option on the branches is sooty mould. Sooty mould has a black powdery look to it. But the egg type looking things will be scale. -- Remove "not" from start of email address to reply |
#3
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Lemon tree disease
In article , notchevy327
@hn.ozemail.com.au says... From the description of the "insect eggs" it sounds like scale. What looks like eggs are actually the scale, their protective coating, the insect is under them. You will find white oil or spray oil should kill them. Just make sure you spray/cover all of them. Thanks Andrew, I'll give it a try tomorrow. |
#4
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Lemon tree disease
Andrew G wrote:
From the description of the "insect eggs" it sounds like scale. What looks like eggs are actually the scale, their protective coating, the insect is under them. You will find white oil or spray oil should kill them. Just make sure you spray/cover all of them. Oh yeah, I take it the "black" look of the branches are due to masses of these scale? The only other option on the branches is sooty mould. Sooty mould has a black powdery look to it. But the egg type looking things will be scale. Might be worth checking for ants too, especially if the tree is in a pot. Ants like to hang out with scale and sooty mould and can make those problems worse, plus add their own. Jane |
#6
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Lemon tree disease
Mike Echo writes:
My lemon tree's branches are all quite black and most branches are covered in what look like insect eggs on them (colour and size of sesame seeds). The underside of the leaves are mostly okay but have some of the same eggs. Ah, you've got yourself a crop of aphids. They can be moved with the gentle touch of a finger? If not, then they are not aphids, though. For aphids, spray with a 1:3 dilution of methylated spirits. The aphids die instantly. -- John Savage (newsgroup email invalid; keep news replies in newsgroup) |
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