Things Needed
Tip
Warning
Always fag gloves , tenacious sleeve , protective clothing and protective eyewear whenever you work with chemical or prune . When dress infected plants , always sterilize your pruning shears or scissors with household disinfectant after each cut forbid cross - contamination .
White spot on the leaves of your bush are not triggered by any one pest or disease ; they can indicate a routine of conditions . To handle the symptoms , you must first name the effort . A minuscule detective work — note the size of it and shape of the spots , the case of shrub they are on , and whether the spots are accompanied by any other clue — can bear off in a correct diagnosis . warm recognition and quick discourse are vital in check pests and disease , so the quicker you break outyour enlarge spyglass , the quicker you may get your shrub back on the road to wellness .
Step 1
Take a penny-pinching expression at the lily-white spots to distinguish their characteristics . A magnifying glass can help . If the musca volitans take the human body of irregular milklike or grayish patches , or a grayish - white dusting over the entire plant , the cause could be powdery mold . To treat , remove and destroy utter leaves , improve air circulation and available lighting with proper pruning , and spray with a quick - to - use fungicide . Spray all the works surfaces thoroughly , and reprize every seven days .
Step 2
Inspect the undersides of white - stippled leaves , using your magnifying glass , for the presence of wanderer mite , tiny reddish - chocolate-brown spider that make a white stippling on foliage . Other clew to spider mite plague include gray , cottony webs on the undersides of leaves , and leafage that becomes pale and then dies . Spray affected plants with forceful K from a hosepipe — since mites can neither vaporize nor drown , this proficiency drown them .
Step 3
Inspect to see if the white spots resemble foamy - looking blobs . If so , you probably have spittlebugs . Either remove them with a gloved hand , or knock them off by vigorously spraying the scrub with water .
Step 4
Scrape a white spot with your fingernail to determine if it is difficult to shift . If so , and if the pip is roundish to oval , your trouble may be scale . These soft - embodied insects about 1/8 in long that feed under leaves . Scale infestations can be difficult to eradicate because of the worm ’s protective graduated table . To process , chaparral scale off with a toothbrush , or use horticultural crude . covering rate for oil vary from plant to plant and time of year to time of year . For most shrubs , amalgamate 5 to 7 tablespoons of oil with 1 congius of water for dormant treatments . In summertime , mix 2 to 5 tablespoon of crude oil with 1 gal water . Spray until the affected area are soundly wet .
Step 5
Examine plants for sticky substance on leaves and stems , and look for pismire . Along with tiny , bright white cottony balls on leaves , these sign luff to mealybug , which excrete a liquid called honeydew . Aside from being a magnet for pismire , which eat on it , honeydew make jet-black mold . mealybug themselves can cause distorted plant growth and leaf drop . command them with yellow sticky bill and ranking - timbre horticultural oil color applied in the same manner used for graduated table .
References
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