Lemon Tree Leaves Falling, Is This Fungus or Perhaps Mites?
fiehumbuggery
8 years ago
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fiehumbuggery
8 years agoRelated Discussions
will red spider mites cause leaves and fruit to fall off tree?
Comments (7)Hi Orchidcrazy.. Since you said you've had the same problems w/your citrus two yrs in a row, I don't think humidity/temps are 'all' that's bothering you're plants. If you suspect mites, the best thing to do is rid them.. Since I don't believe in 'chemical' insecticides, I use around-the-house items...Fill a mister bottle 3/4's of water..room temp (warm) Add, 2-4 drops of dish soap..(I don't use Dawn, but some ppl swear by it) In addition to dish soap I also add, ground garlic and citrus rind. Fill w/a little more water and shake. Spray plants, thoroughly.. BTW, do you see webbing? If so, moisten paper towel w/rubbing alcohol and ripe away webbs..that outta kill the suckers. I started using this formula many years ago and have to say, 98% of my plants, are mite free.. Living in Il, keeping plants, especially citrus, gardenia, hibsicus, and a few other tropicals are a major job..it gets quite dry here..Dry air and wet soil are mite and other insect magnets. Including fungus gnats. Be sure soil dries before giving that extra drink of water. Good luck w/your new gh..Toni...See MoreSome yellow meyer lemon tree leaves - new tree
Comments (17)Vegas, organic gardening is certainly not a crock and luckily, many hundreds of thousands of growers are willing to go the extra mile to produce organic fruits and vegetables. You should know, though, that you will have to study up on the nutritional requirements of citrus in general...and figure out how to provide them,organically, within the confines of a container. You are going to have to provide everything that your plant needs; citrus have some specific micro-nutrient requirements. I see nothing in the Jobe's product that disturbs me too much, though it does not have micro-nutrients, also called miner elements. Fish emulsion could assist in providing some key elements, when used in conjunction with your Jobe's. HOWEVER! It really isn't intended for container culture. There are no directions that I see on the label as to dose and frequency. Another aspect that is troublesome is that I can see how repeated use of this product would muddy up your potting mix....fill the so important pore spaces with fine particles. If you were looking for a product with a high Nitrogen analysis, you'll have to go with something other than your 'organic' products. Lots of container hobbyists resort to the commercial soluble fertilizers, while still using using organic methods for the rest of the plant care. I'm not saying that you should, but just be aware that you will have to keep up with the fert. in order to provide your citrus with what it needs. Another factor in the yellowing 'may' be the potting medium. Again, container culture is entirely different that growing in situ. Garden soil or compost added to a perfect good potting medium can result in a mucky, slow-to-drain mixture. Roots can function in that kind of environment, which is why we have learned to provide a potting mix that remains coarse textured and porous. I may not be the only one that would love to see you re-pot your plant entirely. I'd also like to warn you that moisture meters are notoriously inaccurate. Most of us have learned to rely on the most sophisticated digital equipment we have....our fingers. ;-)...See MoreMeyer Lemon Tree with Wilted Leaves and White Cake Under Leaves
Comments (8)Sean, as long as your Vigoro has micronutrients, that's fine, but I would also hit it with a foliar application of Grow More Citrus Growers Blend. It is something you want in your "citrus arsenal" here in S. California. With all the heavy, cold rains we've experienced in the last 2 years, you're going to run into the same issue I have with citrus in the ground (my soil is mainly DG here in N. San Diego county near the coast): a leaching of micronutrients, especially magnesium. So, start with the Vigoro, but do make a foliar app with some micronutrients. You'll see the difference, promise :-) And Tim's right, no pruning for now. Wait until you obviously need to do some MINOR shaping. Remember, with citrus, pruning equals no fruit. Citrus produce fruit at the tips of their branches, so you're cutting off your next fruit crop when your prune! And Tim's advice about removing suckers is right on. Just break them off if they're soft. If they've hardened off, trim close to the rootstock. Our water isn't too alkaline here in San Diego county - about 7 to 7.6. Fine for citrus. But, for your little guy, acidifying the water with some vinegar and pouring it over the fertilizer may help prevent the micronutrients from getting locked out due to the alkalinity. You guy needs a bit of a rescue. Tim's advice is good. Once recovered, you probably won't need to acidify your water. You can also achieve this with your foliar application - acidifying the water you use to dissolve your Growers Blend in. When you pick up your moisture meter, pick up a decent pH meter (don't buy the cheapest one). It's worth having these in your gardening tools. I've had both my moisture meter and my pH meter for many years. Great tools to have! Patty S....See MorePossible spider mites on lemon tree
Comments (4)Definitely sounds like spider mites. Hose down the tree really well every day, focusing on the undersides of the leaves using a strong stream. And then spray as you've been doing, just take care not to spray any soapy solution or oils on days that you'll be having temps over 85 degrees, to avoid burning the leaves. Seems to be the year for spider mites, sigh. I am having some issues at my place on a Star Jasmine (the culprit - was sick when I brought it home from the nursery), which has spread to my two junipers (particularly susceptible), and I just noticed one of my citrus - my new Oro Blanco grapefruit - all have spider mites. Very frustrated as I cannot spray right now, since our temps have been over 90. As far as seeing damage, it can be very subtle. Are the tops of your leaves looking faintly speckled? That's usually the first sign of spider mites. Patty S....See Morehobbyartisan (Saskatoon, SK Canada, 2b)
8 years agofiehumbuggery thanked hobbyartisan (Saskatoon, SK Canada, 2b)fiehumbuggery
8 years agojohnmerr
8 years agomyermike_1micha
8 years agolast modified: 8 years agoBahamaDan Zone 12b Subtropics
8 years agohobbyartisan (Saskatoon, SK Canada, 2b)
8 years agojohnmerr
8 years agohobbyartisan (Saskatoon, SK Canada, 2b)
8 years agojohnmerr
8 years agoBarbJP 15-16/9B CA Bay Area
8 years agolast modified: 8 years agomyermike_1micha
8 years agolast modified: 8 years agohobbyartisan (Saskatoon, SK Canada, 2b)
8 years ago
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