Author Topic: pests  (Read 1501 times)

joe cervantes

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pests
« on: August 30, 2009, 11:26 PM »
Found these on my Chinese Privet about a week ago. I pinched the infested leaves ,then about 2 days later they were back. This time there are more than ever. What are they? I also noticed some small whiteish things on the branches. Thanks Joe
 

rockm

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Re: pests
« Reply #1 on: August 31, 2009, 10:18 AM »
That's scale. Hand picking them, squishing them with the end of a wire or something similar, is the most effective way to get rid of them. Sprays are mostly ineffective, as they're only vulnerable to it during a specific larval stage of their lives. In the stage you've photographed, spray is mostly repelled by the insect's shell. Systemic poison can be spotty in getting rid of them also.

 

Tom Mounce

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Re: pests
« Reply #2 on: August 31, 2009, 03:45 PM »
Joe, If the tree is smaller you can use rubbing alcohol and q-tips to remove the scale. If it is a larger tree you can use a dormant oil spray which will smother the scale or I have also had good luck with Bayer Tree and Shrub systemic. Mix it 1 tablespoon per gallon and do a soil drench. I had scale on a ficus nerifolia that I defoliated every summer and sprayed the branches with dormant oil spray. This would stop the scale for the summer but it would come back in the winter when I took my tropicals in the house. The systemic cleared it up and the tree has been scale free for over a year now.

Tom
 

joe cervantes

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Re: pests
« Reply #3 on: August 31, 2009, 10:28 PM »
Thanks Rockm and Tom. I wil try both methods.Luckily its only on one tree. My tree/plant is fairly small. Here is a pic of when I first got it in July.