look more like orange than lemons , Meyer lemons ( Citrus x meyerii ) offer a sweeter , less - acidic thinner - shin choice to their sassing - puckering , sunny - yellow relatives . worthy for U.S. Department of Agriculture plant hardiness zones 9 through 11 , Meyer lemon maturate on heavyset trees with white blossoms and scandalmongering - Orange River fruit glowing against their shiny , deep - green leaves . They paint a pretty picture show , unless white powdery spots arrive to ball up it . regale the disease or insects responsible is relatively easy .
Step 1
Powdery mildew disease now and again blemishes Meyer lemon ’s leave-taking and yield with white , talcum - powder textured spot . An airborne fungus partial derivative to cool , teetotal conditions , it ’s mostactive between 60 and 80 degrees Fahrenheit . Powdery mildewonly attacks living industrial plant office . Affected leaves are likely to pall and fall from the tree more quickly than uninfected ones .
Managing Powdery Mildew
Powdery mildew spore do n’t survive long when the sun invoke leaf temperature above 95 F. Planting a Meyer lemon tree where it gets gets six hours of day-after-day sun may be enough to scotch an infection . For constitutional , bee - friendly control of existing powdery mildew , soundly coat the leave with a sprayer resolution of 1 part natural or cream off Milk River to 9 parts water . hebdomadary treatments when status favor the disease thin out symptoms by up to 90 percent , reports the National Gardening Association .
Step 2
Citrus Mealybugs
The insect interlingual rendition of wolves in sheep ’s clothing , mealybugs conceal themselves beneath layer of downlike white wax , go down their sharp mouth parts into plants and run out them of sap and vigor . From a length , theylook like moment of cotton woolglued to the stalk and leaves . A seriously infested Meyer lemon yellow may weaken and knock off its yield prematurely . An early and obvious star sign of mealybug infestation ishoneydew , the bugs ' sticky , vaporous waste . Sooty mold sporescover honeydew - coated leaves in layers of greasy , black fungus and may intervene with photosynthesis .
Mealybug Control
Rinsingan overrun Meyer lemon down with a acute flak of hose water every few daytime may be enough to manage the problem . on a regular basis wetting the leaves also kill powdery mould spores . Ladybugs , green lacewing and syrphid fliesall prey on mealybugs . To entice them to your tree , industrial plant ambrosia - and pollen - producing flowers nearby . The good bugs assay out shallow - faced flowers such assweet alyssum(Lobularia maritima ) , recurrent in USDA zone 5 through 9 , orwild bergamot(Monarda fistulosa ) , which grow in USDA zona 3 though 9 . * If these methods do n’t keep the mealybugs in checkout , * use organic , quick - to - useinsecticidal soap . In the other morning or after sunset , when Apis mellifera are n’t foraging and no sun is on the tree , spray until all the tree diagram ’s open drip with the soap . reprise the program every two to three days , or at the label ’s suggest intervals , until the infestation is small enough for predators to control . Dress in protective clothing and eyewear and stick with the recording label ’s program command when working with any insect powder .
Step 3
References
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