Barberry bush are susceptible to a mixed bag of pest infestations that cause cosmetic to knockout injury . Though barberries are not extremely vulnerable to problems , maintain your plants hefty guarantee their ability to dissent and heal from infestations . key out dissimilar type of barberry pests , their symptom and direction methods so your barberry bush remain vigorous in your home garden .

Preventive Care

Prevent trouble with appropriate care of your barberry shrubs . Plant barberries in locations display to full sun for optimal growth and vivid color display . Grow in any soil type , as the barberry shrub thrives in most precondition , including both acid and alkaline pH levels and sand , stiff and loam soil types , according to the University of Florida IFAS Extension .

Types of Insect Pests

Barberry aphid ( Rhopalosiphum berberidis ) are insects that exhibit yellow - green bodies and often create declamatory infestations . Twobanded Japanese weevils ( Callirhopalus bifasciatus ) are female worm pests to the barberry shrub ; weevil display brown , winged bodies that appraise some 1/5 inch in length , according to The Connecticut Agricultural Experiment Station . Scale insects also affect barberries by covering industrial plant parts with their immobile , legless bodies .

Symptoms and Damage

Barberry aphid are " sucking " insects that feed on tissue fluid from tender areas of the plantlike shoots . When aphids fee , they excrete honey , a sugary substance that covers leaves and creates an idealistic environment for a fungal infection called sooty mold , which results in more wrong . Twobanded Japanese weevils jaw on leafage borders and create " crescent - mould " sharpness brand , concord to The Connecticut Agricultural Experiment Station . scale , like aphids , are suck insects that bung on plant sap . count on the severity of the infestations , injury ranges from aesthetic damage to the potential expiry of your plant . Catch problems early to avoid lose your barberry bush .

Natural Control

take aphids from works open with a strong stream of water , according to the University of Florida IFAS Extension . look at releasing predatory insects into the garden , like lacewing fly , lady beetles and parasitic wasp ; these Holman Hunt and kill louse without damaging works . you’re able to recover predatory insects in garden supply catalog or storage . Remove and destroy damaged plant role to rid your plants of louse , according to the University of California IPM Online . If fungi are present on infected plant section , remotion decreases pass around of disease to the sleep of the barberry shrub .

Chemical Control

For barberry aphid chemical control , saturate the works with insecticidal grievous bodily harm or the insecticide malathion as soon as symptoms are seeable . If natural dominance is proving ineffective , chemical control for twobanded Nipponese weevils includes a nebulizer with the chemical acephate accord to The Connecticut Agricultural Experiment Station . Control shell insects with horticultural oil color atomiser , or contact a professional for safe sprayer of insecticidal chemical substance like dinotefuran , which are not recommend for utilization by the home gardener .

References

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