Brown Leaves on Meyer Lemon
HaroldMeyer
11 years ago
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HaroldMeyer
11 years agoRelated Discussions
potted Meyer lemon tree leaves turning dark green with brown spots
Comments (3)Sorry, this photo was immediately following watering. I usually keep it drier. Good point regarding poor drainage, though, since I am a complete novice. The pot has holes on the bottom, and I set the pot on several bottle caps to raise the pot above the ground and allow those holes to function (theoretically). Do the photos look consistent with either root rot or excessive fertilizer? Thank you for chiming in!...See MoreBrown dust on my Meyer Lemon leaves
Comments (5)Looks like Sooty Mold, which grows on the excretions (called honeydew) of several kinds of pests; aphids, whitefly,scale, mealy bugs all excrete honeydew. The honeydew falls onto the leaves under the insects and the mold then grows on the honeydew. John is right that you can wash the molding honeydew off with plain water. But you should look under the leaves above where the honeydew dropped and I'll bet you have one of the insect pests I mentioned above. Get rid of the pests and you'll get rid of the honeydew and Sooty Mold. Here's a link to some good info on the subject; http://www.ipm.ucdavis.edu/PMG/PESTNOTES/pn74108.html...See MoreBrown leaves on Meyer lemon tree
Comments (2)Thanks! Was getting semi worried and didn't know what I was doing wrong. Moved my trees to a spot that gets a little less sun, hopefully this fixes the problem....See MoreMeyer lemon tree leaves turning brown and dropping
Comments (6)The leaf drop is most likely Winter Leaf Drop (WLD) due to cold roots and leaves getting a lot of light. See: http://tropicalfruitforum.com/index.php?topic=13332.0 Also, in addition to WLD, your soil looks to be too water retentive which means you may have root rot due to wet soil. Moisture meters are not very accurate. You are better off relying on your fingers. Dig about two inches into the soil and feel if it is moist. Or, stick a skewer to the bottom of the pot an pull it out. If you see soil particles sticking to it that means the soil is moist and the plant does not need watering. If you do have root rot, you should repot into 5:1:1 or gritty mix. Here is the recipe of the 5:1:1: 5 parts pine bark mulch (remove ½” pieces through 1/2 inch screen) (Some people use Repti Bark instead of mulch. They do not screen it.) Try to soak the bark overnight. · 1 part sphagnum peat · 1 part perlite (coarse, if you can get it) · 1 Tb garden lime /gal 5-1-1 mix (measure the 5-1-1 mix) · Osmocote plus (follow manufacturer’s instructions). This is optional. · Moisten well and wait at 2 days before using, if possible. If it is salt, fill the pot with water and let drain. Repeat three times....See MoreHaroldMeyer
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