blueberry ipm poster - british columbia · 2016-01-25 · buds. aphids—immatures and a winged...
TRANSCRIPT
Phytophthora root rot.
Blossom blighting from blueberry scorch virus.Blueberry shock ilarvirus can cause similarsymptoms. Photo courtesy of Dr. R. Martin, USDA, Corvallis, OR
Ladybirdbeetle—eggs.Photo courtesy ofD. Raworth, PARC
Ladybirdbeetle—larva.Feeds on aphids.
Ladybirdbeetle—adult.Feeds onaphids.Photo courtesy ofD. Raworth, PARC
Syrphid larva. Feeds onaphids, usually July andAugust.
Swollen shiny aphids containdeveloping parasites.
Flower Disorders
Root/Crown/SoilDisorders
Stem/FoliarDisorders
FruitDisorders
GrowthStages
Bud Break
Pink Tip
Green Berry
Bacterial blight infection ofnew buds (Pseudomonas sp.).May be associated with frostinjury.
Mummy berry.Infected flowerbuds producingsecondary spores(arrow) that willinfect open flowers.
Mummy berry. Infected fruit.
Botrytis infection of greenberry. Infection starts ondead flower which hasremained attachedduring wet weather.
Snail.
Anthracnose fruit rot. Close-up of orangespore masses. Photo courtesy of Dr. P. Bristow, WSU, Puyallup, WA
Alternaria fruit rot. Fruitsurface has a fuzzy,greenish-black mould.
Flagging symptom whichappears when the cane isgirdled. May be caused byGodronia canker, crowngall, weevil damage,bacterial blight ormechanical damage.
Mummy berryinfected leaf. Thefungus is producingsecondary spores(arrow) that willinfect open flowers.
Close-up ofGodroniacanker showingsmall blackpustules whichcontainnumerousspores.
Godronia canker, withtypical infections atleaf scars.
Spanwormcaterpillars. Feedinside bud, flowerand fruit clusters.Photo courtesy of S. Fitzpatrick,PARC
Natural Beneficials
Crown gall.
Bacterial blight(Pseudomonas sp.)infection on oneyear old wood.
Mummy berry. Mummies thathave dropped to the ground tooverwinter.
Mummy berry.Mummies producing cupswhich shoot primary sporesinto the air to infect openingbuds.
Aphids—immatures anda winged adult. Feed onunder surface of leaves.
Leafroller caterpillar.Found in rolled leaves.Photo courtesy of S. Fitzpatrick, PARC Actual size
Ground beetle. Feeds on weevilgrubs, leatherjackets, and slugs.Photo courtesy of D. Raworth, PARC
Actual size
Actual size to
Actual size
Weevil—adult and grub. Grubs feed on,and girdle roots. Photo courtesy of D. Raworth, PARC
Bloom
Ripe Berry
%
%
Girdling of crown caused byfield mice.
Lecaniumscale insectson twig.
Calyxcontaminant—spider egg sac.Photo courtesy of
S. Fitzpatrick, PARC
FruitContaminants
%
Actual size
Ministry of Agriculture and Foodsponsors
Blueberry Integrated Pest Management Poster
BLUEBERRY IPM