Frog-eye leaf spot on maple.
Anthracnose on liriope.
Botyosphaeria canker on Cornus.
Sycamore anthracnose. All photos by Bob Mulrooney, Extension Plant Pathologist, University of Delaware.
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Labels
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- 2010
- alfalfa mosaic virus
- alternaria stem blight
- ambrosia beetle
- annual bluegrass
- annual ryegrass
- anthracnose
- aphids
- apple scab
- April
- armored scales
- artillery fungus
- Aschocyta blight
- Ash borer
- ash rust
- Asian longhorned beetle
- asiatic garden beetle
- aster leaf hopper
- aster yellows
- August
- azalea bark scale
- azalea lace bugs
- azalea leaf gall
- azalea leafminer
- azalea whitefly
- bacteria leaf spot
- bacteria shoot blight
- bacterial blight
- bacterial leaf scorch
- bagworms
- baldcypress rust mite
- bamboo
- banded tussock caterpillar
- banded wing whitefly
- bermudagrass
- bird's nest fungus
- black medic
- black spot
- black vine weevil
- blister beetle
- borer
- botrysphaeria canker
- botrytis blight
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- boxelder bug
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- brown marmorated stink bug
- brown patch
- bull thistle
- cabbage looper
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- carpetweed
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- clover
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- composting
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- four-lined plant bug
- fox grape
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- HL07
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- honeylocust plant bug
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- horned oak gall
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- imported willow beetle
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- oak lace bug
- oak leaf blister
- oak skeletonizer
- October
- orchardgrass
- oriental beetle
- oxalis
- oystershell scale
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- pine bark adelgid
- pine needle rust
- pine needle scale
- pine wilt nematode
- Pithium blight
- plantain
- plumbago foliar nematode
- Poa annua
- poison ivy
- potato leafhopper
- powdery mildew
- privet rust mites
- privet thrips
- prostrate knotweed
- psyllids
- purple deadnettle
- puss caterpillar
- pyracantha scab
- ragweed
- red sorrel
- red thread
- redheaded ash borer
- redheaded flea beetle
- redheaded pine sawfly
- rhabdocline needlecast
- rhizosphaeria needlecast
- rhododendron borer
- river birch
- Rizosphaera needlecast
- rose midge
- rose slug sawflies
- rose slugs
- roundheaded apple tree borer
- rust
- saddleback caterpillar
- salt injury
- sawflies
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- sclerotina shoot blight
- sclerotina stem rot
- scoliid wasps
- September
- Septoria leaf spot
- shepards purse
- silverleaf whitefly
- Sirex noctilio
- slime mold
- smooth crabgrass
- soft scales
- southern blight
- Southern red mite
- speedwell
- spot anthracnose
- spring cankerworm
- spring tails
- spruce spider mite
- spruce spider mite damage
- spurge
- star of bethlehem
- stink bugs
- stinkhorn fungi
- stinkhorns
- storm damage
- stump grinding
- suckers
- Swiss needle cast
- sycamore anthracnose
- sycamore lace bug
- tall fescue
- tar spot
- ticks
- tobacco budworms
- topdressing
- tortoise beetles
- trumpet creeper
- Tubakia leaf spot
- tuliptree scale
- twig blight
- twig blight on Kwanza cherry
- two spotted spider mites
- twobanded Japanese weevil
- twolined chestnut borer
- vetch
- Virginia creeper
- volutella blight
- walnut anthracnose
- watering
- weed control
- Weeds
- Western conifer seed bug
- western flower thrips
- wet soil
- white clover
- white grubs
- white peach/prunicola scale
- white pine sheath mite
- white pine weevil
- white pines
- white prunicola scale
- white-marked tussock caterpillar
- wild garlic
- wild grape
- wild mustard
- wild onion
- winter damage
- wiregrass
- witch hazel gall aphid
- woodsorrel
- woolly aphids
- woolly apple aphid
- woolly beech aphids
- Yellow nutsedge
- yellow rocket
- yellownecked caterpillar
- Zoysiagrass
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