mould that appear on lemon Tree is unsightly and can lead to a significant personnel casualty of fruit that you would otherwise love from your home garden . Fungal in nature , some mould are because of the entrance of spores on their own while other infections are a junior-grade job relate to an insect infestation .

Care

Vigorous Sir Herbert Beerbohm Tree are more resilient when it come to avoiding and struggle off infections connect with fungi and mold in comparison with injured , stressed lemon tree . plant life lemon trees in localization that offer full sunshine for lifelike , level-headed fruit production , accord to the AgriLife Extension Texas A&M System . Citrus trees boom in moist , well - drained filth . to a fault wet sites with waterlogged soil induce rapid declination of lemon tree trees , which are unable to suck the necessary amounts of body of water and nutrients .

Types

lemon tree trees are most often affected by blue and green molds as well as sooty mould . Blue mold is because of the fungus Penicillium italicum , and dark-green mold is do by the fungus Penicillium digitatum , agree to the Texas Agricultural Extension Service . Sooty mold is a fungal infection that feast on honeydew , a sugary substance , created by the feeding of suck dirt ball that suckle sap from plant tissue paper . Aphids , balmy scales and white-hot flies are among a long list of culprits , allot to the Ohio State University Extension .

Effects

On lemon tree trees , green mold have a disease that occurs after lemons are harvest from the Sir Herbert Beerbohm Tree . After overrun through wounds in the lemon yellow fruit , a white mould that turns light-green on the surface of the fruit appear , conduce to yield bunkum . puritanic mold is similar , but the mold on the fruit rind becomes downcast . The ideal growth temperature for these fungi is 75 degree Fahrenheit , grant to the Texas Agricultural Extension Service . Sooty mold leave in a blackish , flaky mold that , as the name suggests , resembles soot . The mold appear on leaf , arm and fruit . Generally , coal-black cast only poses a cosmetic menace except for extremely severe cases during which the tree is saturated and can not engulf passable sunlight , according to the Ohio State University Extension .

Natural Control

For innate control of mold on lemon trees , prevent the happening of injury through careful handling and ecstasy as blue and green mold fungus kingdom infest through wounds . For jet mold on lemons , examine your trees for the comportment of insects and any signs of decline . Identify any dirt ball infestations and direct them consequently to disembarrass your tree of its jet mould problem . Use a strong stream of water to murder mold from plant surfaces , according to the Ohio State University Extension .

Chemical Control

For sooty mold problem on stinker trees , once you have determined the insect plague problem , watch an appropriate insecticidal control for lotion . When in incertitude , touch a local county university extension broker for advice or a licensed professional for appropriate chemical substance direction . For chemical control of blue and light-green mold on lemon yellow Tree , blue mold is not treatable with fungicides but should be given calcium treatments post - harvest to help deter infection , according to the Penn State University Department of Plant Pathology . Control fleeceable mold chemically with a fungicide hold the active constituent imazalil , according to the University of Florida Extension .

References

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