What is this that is killing some of my plants,
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I can't seem to get rid of this and i have no idea what it is. It's only on some plants,
4 answers
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You don't say what kind of plant that is, so I don't know how enlarged the photo is, but my first thought is mealybugs. It is sometimes necessary to use a systemic insecticide with them because they have a waxy outer covering that means contact insecticides are only effective when they are young. Make sure you spray thoroughly to get the undersides of the leaves.
Douglas Hunt
on Jun 09, 2014
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That is a seed pod from a angel trumpet.But so far its severely damaged a small gardenia. Killed a mum, The leaves are yellowing on some more. I've tried washing them off, neem oil, tobacco spray, A three in one plant care product without luck. here another picture.
Julie Giddens
on Jun 09, 2014
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It looks like a type of scale or mealy bugs, Both should have responded to the oil sprays. Be careful using Neem or an all season oil spray especially during the summer. The other thing would be to take it to your county extension office for a positive id and recommendation.
Leona G
on Jun 10, 2014
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I agree with Douglas about being sure to get the underside of the leaves. Whether it is mealy bugs or some type of scale, it must be drenched to be effective. Neem works wonderfully for both of those here in FL and I drench the plant, wait a couple days, drench it again and then use it as a preventative (for any stragglers) weekly for a month or so after. Good luck and I hope it works for you :)
Leslie Long
on Jun 10, 2014
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