Yellow veins, falling leaves. Is it light, chlorosis or fert issues?
Atheen - 7a - in Maryland, USA
7 years ago
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Inkberry...HELP! yellow leaves
Comments (6)I have never grown inkberry, but I do grow blueberries here in Madison, WI, and I have to do periodic pH testing to keep them green & healthy. Inkberry is related to holly, and holly is said to prefer soil with pH in the range 5 to 6. The method that I am currently using to measure soil pH is with dye indicators. Using bromocresol purple indicator, it is possible to see pH in the range of 5 to 6.8. A test solution will be yellow when the pH is between 5 and 5.5, and it will be purple when the pH is between 6.4 and 6.8. You would take a one tablespoon sample of dirt, and mix with enough distilled water to make a slurry. Run this solution through a paper filter, using a funnel, and collect about one teaspoon of filtrate. Add just enough dye indicator to see the solution turn color, and note the color. If chlorosis is causing the yellow leaves, and you have put down sulfur to lower soil pH, you should see positive results in 4 to 6 weeks....See MoreTangerine Tree Yellow Falling Leaves
Comments (14)In some Calif. counties, the exotic Asian citrus Psyllid is found to be infecting citrus trees, my area is affected. It's moving into other counties. It's very damaging to citrus, but worse it hosts the terminal greening disease--the leaves and fruit look part green part yellow. I wasn't able to see your pictures. On my navel tree, hundreds of mature dried leaves fall off, they're folded looking and have no signs of disease. It has the psyllid, but I'm trying to save it. I pull off all new tender growth that looks terrible. For yellowing problems, try using greensand for a natural magnesium supplement, it helped the yellow go away on mine completely, after a few months last year. Also I give it triple 15 fertilizer, or if you want organic, blood and bone meal with the greensand. Leaves are falling off dry and folded, but weren't yellow. It seemed to help the tree last year when I wet it down, then threw diatomaceous earth over the leaves and any young fruit, this is supposed to kill insects by a mechanical means, not chemical-the insects can't walk on it. It's due for another diatomaceous earth powdering, but I'll wait until no blossoms, so to not harm bees, and when no chance of rain to wash the earth off. I think the Greensand and the D. Earth both helped the psyllid problem. If greening disease is present, the tree is supposed to be cut down and disposed in doubled vinyl bags (like asbestos ceiling popcorn!) I'll add a link about the Asian Citrus Psyllid damage and greening disease. For yellowing issues use Greensand, natural magnsesium. Still, my oranges aren't ripening right, they stay part green and never get sweet. The leaves used to look like the ones shown in the link, but look better now. My 30 y/o lemon tree was destroyed by the Asian Psyllid, I'm taking that tree down--never seen such bad damage to leaves in my life-unbelievable!! Will try to post a picture. Good luck. Here is a link that might be useful: CA Pest and Disease Prevention Program...See MoreAnother yellowing leaves issue
Comments (11)My Josephine is 10 years old & like Ramona never failed to flower beautifully all those years 'til just now. I have bookmarked the site posted by mikesin for quite some time now. The only different thing I did this early Spring was clean up the site by thinning neighbors encroaching & hogging Josephine's space. I did also trim Josephine's twines w/ care. Since flashing this past week, her blossoms are smaller & outer petals are somewhat contorted/deformed; some leaves are mottled-yellow. We've had quire a bit of rain lately but the 4 others seem to handle the situation ok, so far. Does Epsum Salt really work - have a few of you tried for yellowed leave symptoms w/ good results?...See Moremeyer lemon citrus yellow veins
Comments (36)Your assistance is much appreciated :) <q> Have you ever repotted or potted up (they are very different)? if 'yes', when last. Have you inspected roots to check for root rot? If you lift the tree from the pot, does the soil/root mass remain intact? How do you decide when it's time to water? How do you fertilize (with what product [include NPK %s please], how often, when last)?</q> Yes to potted up, just once - the sprouted seed was grown in the same pot for the first while and then it was replanted into it's current pot about a little under 2 years ago. I haven't taken it out of it's current pot to check the roots yet because I didn't want to stress it any further, but I will do so I just need to get up the nerve lol! It's in an organic potting mix and no doubt needs some proper fertilizer I was just never sure exactly what to give it so I erred on the conservative side as I didn't want to kill it with the wrong/or too much stuff. I have given it a measured amount of miracle grow twice a year (it's the blue stuff, I don't know the NPK sorry - we just keep it in a plastic container with the ml/liter for general purpose feeding taped on the outside. The last ferilizer would have been just before fall last year and I would normally be doing it again around now. I water all our plants once a week, give or take a day or so depending on how moist the soil is. I water them from the bottom, the Lemons pan is 1 inch deep and about 3/4 of an inch larger around than the pot. I fill the ring of the pan and let the plant suck up as much as it needs in 20 minutes. So if there is water still there after 20 mins I dump it out and if it sucks it up really fast (5 mins or less) I add a little more. Also I haven't put the plant back in the quasi-bay window since the mini-freeze-yellow-turning because it'd actually got too big for the spot and didn't fit well. It's still in the same room and about the same location but farther back from the window now in the living area so it may be missing a bit of extra direct sunshine. Alberta is known for it's crazy sunny-bright winters even though the temps drop way way down! With Easter prep and company coming and such it will be a couple of days before I could risk taking it from the pot - but when I do Al what should I look for and should I clip any roots or add fresh potting soil to the bottom? Thanx again for your suggestions and Happy Easter folks :)...See MoreAtheen - 7a - in Maryland, USA
7 years agolast modified: 7 years agoBarbJP 15-16/9B CA Bay Area
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