Help to indentify diseases of new leaves

david_44(10a)August 20, 2014

On one of our young orange/lemon tree we noticed many newly grown leaves on tree top turned to yellow and curved, see the attached photos. We applied some insecticide, so far not help. We did not see any fungus, but leaves severely distorted, not smooth, flat anymore. We could not see any bugs though, so not so sure what caused the problem.

thanks for your suggestions

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molewacker z9b Napa CA (No.SFBay)(9b Danville E(SF)Bay CA)

The squiggly trails lead me to suspect Citrus Leaf Miner (CLM). Search this forum and you will find plenty of discussion and ideas.

-good luck!

    Bookmark   August 20, 2014 at 7:05PM
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david_44(10a)

Thanks for your great help, I have search this forum, learned about CLM, looks it would not kill my tree, I may try to use hort oil.

    Bookmark   August 20, 2014 at 8:09PM
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hoosierquilt USDA 10A Sunset 23 Vista CA

CLM. TONS of info on our forum about how to treat for CLM.

Patty S.

    Bookmark   August 21, 2014 at 12:09AM
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