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Lar starts with ... Hi Folks Living in Townsville and have dwarf citrus plants in pots. I noticed this morning some sap globules on the trunk of my Tahitian Lime (TL) tree...it's fruit is looking good, leaves are nice and green and new fruit is growing well. There doesn't appear to be any damage to the trunk. TL is fed once a week and soil moisture level is fine. White Oil or Neem is sprayed often to get rid of pests!! Please tell me what this sap is from and if it's an issue. Thanks in advance. Kind regards Lar
| About the Author Lar Townsville 19th February 2018 11:57am #UserID: 17969 Posts: 1 View All Lar's Edible Fruit Trees |
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Fruitylicious1 says... Hi Lar Your TL might be suffering from gummosis. The exudate (gum-like secretion) is one way of fighting the infection caused by fungal pathogens. Seems like the infection is still in its early stages. The lesions might not be visible because it is usually under the gummy bleeding. It might die out on its own due to temperature fluctuations. The disease is caused mostly by water splashes due to rain or overhead irrigation. Try to avoid wetting the tree especially the trunk to avoid exacerbating the infection. For us backyarders simply cut out the diseased bark but not the wood and paint the scraped area with a registered copper fungicide.The diseased bark will be near the gumming exit with a brownish tinge and the healthy tissue is light in color. Another possible cause for gummosis is due to stem borers. Their damage is easier to detect because of the frass they leave behind. Anyway, scrape off the gummy residue so you could clearly see what's happening around it and administer the necessary treatment. Happy Gardening :-) | About the Author Fruitylicious1 TAMWORTH,2340,NSW 21st February 2018 8:31pm #UserID: 16885 Posts: 709 View All Fruitylicious1's Edible Fruit Trees |
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Original Post was last edited: 21st February 2018 8:45pm | |||||||
