Trees N - Z
P
Pear, Ornamental
Pear, Ornamental
| Symptoms |
Probable Cause |
Bonide Best Solution |
| Branches; trunk split |
Weather |
Brace branches |
| Withered; dead blossoms |
Fireblight (fungus) |
Fire Blight Spray, Copper |
| Leaves or needles wrinkled or curled; discolored, stunted, tend to fall off |
Aphids |
Annual Tree & Shrub,
Eight CRS, All Seasons,
Bon-Neem, Systemic Insect |
| Leaves consumed; tawny egg masses on trunk |
Gypsy Moth Caterpillar |
TOTAL-Outdoor,
Systemic Insect C,
Thuricide BT |
| Leaves stippled/yellow/bronze/dry out/Drop. Webbing visible; leaf galls |
Mites |
Mite-X, Total-Outdoor,
Systemic Insect C,
All Seasons CRS |
| Young portions of foliage disappear, or young tips disappear, bark peeled in strips |
Deer |
Repels-All CRG,
Deer/Rabbit R,
Hot Pepper Wax |
Pine, Austrian
Pine, Austrian
| Symptoms |
Probable Cause |
Bonide Best Solution |
| New needles flecked yellow; tips redden, die; needles drop |
Air Pollution |
|
| White, wooly masses covering needles or trunk |
Wooly Aphids |
Annual Tree & Shrub,
Eight CRS, All Seasons,
Total Outdoor,
Systemic Insect C |
| Needles wrinkled or curled; discolored, stunted, tend to fall off |
Aphids |
Annual Tree & Shrub,
Eight CRS, All Seasons,
Total Outdoor,
Systemic Insect C |
| Black powdery sooty mold fungus forms on honeydew; branches may |
Ants Herding Aphids |
Eight CRS, TOTAL-Outdoor, Rotenone/Pyrethrin |
| New growth stunted; limbs die back; growth stunted; low branches go first |
Diplodia-Tip-Blight (fungal) |
Infuse, Fungonil CR |
| Shoots fade/turn red/droop, needles drop |
E. Pine Shoot Borers |
Annual Tree & Shrub,
Borer/Miner, Systemic Insect C |
| One or more masses sticky cream, yellow, pinkish pitch; larva under masses |
Pitch Moth Caterpillar |
TOTAL-Outdoor,
Systemic Insect C, Thuricide BT |
| Needles stippled yellow, dirty; silken webbing; |
Spruce Spider Mites |
Mite-X, Total-Outdoor,
Systemic Insect C,
All Seasons CRS |
| Brown nests of silk, brown needles; branches stripped |
Pine Webworms |
TOTAL-Outdoor,
Systemic Insect C,
Thuricide BT |
| Needles chewed, branches defoliated; |
Sawfly |
Annual Tree & Shrub,
Bon-Neem CR, Rote/Pyr,
Total Outdoor |
| Top shoot stops growing/turns yellow; tip droops/white resin on bark; holes |
White Pine Weevils |
Annual Tree & Shrub,
Bon-Neem CR,
All Seasons CRS,
Total Outdoor |
| Needles wilt, yellow, brown; branches die; tree may die |
Pine Wilt (fungus) |
Destroy the tree & remove stump to prevent spreading |
| Needle tips yellowed |
Needle Cast (fungus) |
Prune infected branches,
Fungonil |
| Cream colored blisters on needles in spring; young trees stunted |
Needle Rust (fungus) |
Fungonil CR,
Copper C, Infuse |
| Needles wilt; cankers on trunk; blister |
Gall Rust (fungus) |
Fungonil CR, Infuse |
| New growth on tree top yellows, then browns, whole tree browns |
Engraver Beetles |
Annual Tree & Shrub,
Rote/Pyr, Systemic Insect C,
Total Outdoor |
| Crown needles turn yellow/reddish brown/small holes in trunk/bark tunnels |
Pine Bark Beetles |
Systemic Insect C, Rotenone/Pyrethrin,
TOTAL-Outdoor |
| Tree yellows, grows poorly; branches die |
Root Nematodes |
Chitin, Marigolds, Nitrogen |
| Foliage looks bad; small bumps on needles |
Pine Needle Scale |
Annual Tree & Shrub,
Bon-Neem CR,
All Seasons CRS,
Total Outdoor |
| Cream colored rough scaly bumps with black dot on one end of branches |
Irregular Pine Scale |
Annual Tree & Shrub,
Bon-Neem CR,
All Seasons CRS,
Systemic Insect C |
| When young portions of foliage disappear, or young tips disappear |
Deer |
Repels-All CRG, Deer/Rabbit R, Hot Pepper Wax |
Pine, Japanese Black
Pine, Japanese Black
| Symptoms |
Probable Cause |
Bonide Best Solution |
| New needles flecked yellow; tips redden, die; needles drop |
Air Pollution |
Move the plant |
| Needles wrinkled or curled; discolored, stunted, tend to fall off |
Aphids |
Annual Tree & Shrub, Eight CRS, All Seasons, Bon-Neem,
Systemic Insect |
| Black powdery sooty mold fungus forms on honeydew; branches may die |
Ants Herding Aphids |
Eight CRS, TOTAL-Outdoor,
Rotenone/Pyrethrin |
| New growth on tree top yellows, then browns, whole tree browns |
Engraver Beetles |
Annual Tree & Shrub,
Eight CRS, All Seasons CRS, Total Outdoor |
| New shoots fade, redden; droop, lose needles |
European Pine Shoot Borer |
Annual Tree & Shrub, Borer/Miner, Systemic Insect C |
| Crown needles turn yellow/then reddish brown/holes in trunk; tunnels under bark |
Pine Bark Beetles |
Systemic Insect C, Rotenone/Pyrethrin,
TOTAL-Outdoor |
| Brown nests of silk, brown needles; branches stripped |
Pine Webworms |
TOTAL-Outdoor,
Systemic Insect C, Thuricide BT |
| One or more masses sticky cream, yellow, pinkish pitch; larva under masses |
Caterpillar Of Pitch Moths |
TOTAL-Outdoor,
Systemic Insect C, Thuricide BT |
| Needles chewed, branches defoliated; |
Sawfly |
Annual Tree & Shrub,
Bon-Neem CR, Rote/Pyr,
Total Outdoor |
| Cream colored rough scaly bumps with black dot on one end of branches |
Irregular Pine Scale |
Annual Tree & Shrub,
Bon-Neem CR, All Seasons CRS, Systemic Insect C |
| Small white bumps on needles |
Pine Needle Scale |
Annual Tree & Shrub,
Bon-Neem CR,
All Seasons CRS, Total Outdoor |
| Top shoot stops growing/turns yellow; tip droops; white resin on bark; holes |
White Pine Weevil |
Annual Tree & Shrub,
Bon-Neem CR,
All Seasons CRS, Total Outdoor |
| Tree yellows, grows poorly; branches die |
Root Nematodes |
Chitin |
| Needles stippled yellow, dirty; silken webbing; |
Spruce Spider Mite |
Mite-X, Total-Outdoor,
Systemic Insect C,
All Seasons CRS |
| Needle tips yellowed |
Needle Cast (fungus) |
Prune infected branches,
Fungonil |
| Needles wilt, yellow, brown; branches die; tree may die |
Pine Wilt (fungus) |
Destroy tree, burn stump |
| Needles wilt; cankers on trunk; blister |
Gall Rust (fungus) |
Infuse C, Fungonil CR |
| Cream colored blisters on needles in spring; young trees stunted |
Needle Rust (fungus) |
Fungonil CR, Copper C |
| When young portions of foliage disappear, or young tips disappear |
Deer |
Repels-All CRG,
Deer/Rabbit R, Hot Pepper Wax |
Pine, White
Pine, White
| Symptoms |
Probable Cause |
Bonide Best Solution |
| Needles flecked; red-brown; drop |
Spider Mite |
Mite-X, Total-Outdoor, Systemic Insect C,
All Seasons CRS |
| New needles flecked yellow; tips redden, die; needles drop |
Air Pollution |
Move the plant |
| Needles wrinkled or curled; discolored, stunted, tend to fall off |
Aphids |
Annual Tree & Shrub,
Eight CRS, All Seasons,
Total Outdoor,
Systemic Insect C |
| Black powdery sooty mold fungus forms on honeydew; branches may die |
Ants Herding Aphids |
Eight CRS, TOTAL-Outdoor, Rotenone/Pyrethrin |
| Sticky bud tips; needles turn yellow |
Pine Shoot Beetle |
Annual Tree & Shrub,
Eight CRS, All Seasons CRS, Total Outdoor |
| New shoots fade, redden; droop, lose needles |
European Pine Shoot Borer |
Annual Tree & Shrub, Borer/Miner,
Systemic Insect C |
| Chlorosis; defoliation; stunting |
Pine Decline |
Iron Sulfate, Soil Acidifier |
| New growth on tree top yellows, then browns, whole tree browns |
Engraver Beetles |
Annual Tree & Shrub,
Eight CRS, All Seasons CRS, Total Outdoor |
| Small white bumps on needles |
Pine Needle Scale |
Annual Tree & Shrub,
Bon-Neem, All Seasons,
Total Outdoor |
| Brown nests of silk, brown needles; branches stripped |
Pine Webworms |
TOTAL-Outdoor,
Systemic Insect C,
Thuricide BT |
| Tree yellows, grows poorly; or branches die |
Root Nematodes |
Chitin |
| Twigs dried out; galls present |
Pine Bark Aphids |
Annual Tree & Shrub,
Eight CRS, All Seasons,
Total Outdoor,
Systemic Insect C |
| Frothy mass of bubbles, base of needles; |
Pine Spittlebugs |
EightCRS, Rotenone/Pyrethrin, Systemic Insect C |
| One or more masses sticky cream, yellow, pinkish pitch; larva under masses |
Caterpillar Of Pitch Moths |
TOTAL-Outdoor,
Systemic Insect C,
Thuricide BT |
| Needles chewed, branches defoliated; |
Sawfly |
Annual Tree & Shrub,
Bon-Neem, Rote/Pyr,
Total Outdoor |
| Top shoot stops growing; turns yellow; tip droops; white resin on bark; small holes in dead branch |
White Pine Weevils |
Annual Tree & Shrub,
Bon-Neem CR,
All Seasons CRS,
Total Outdoor |
| Needles stippled yellow, dirty; silken webbing; |
Spruce Spider Mite |
Mite-X, Total-Outdoor, Systemic Insect C,
All Seasons CRS |
| Needles; branches encrusted with bumps; growth stunted |
Scale |
Borer-Miner, All Seasons CRS |
| Crown needles turn yellow/reddish brown; holes in trunk; bark tunnels |
Pine Bark Beetles |
Systemic Insect C, Rote/Pyre, TOTAL-Outdoor |
| Needles wilt; cankers on trunk; blister |
Gall Rust (fungus) |
Fungonil CR |
| Needles discolored; drop prematurely |
Needle Cast (fungus) |
Prune infected branches, Fungonil |
| Trunk or branches develop swollen areas, yellow-orange, branches die |
White Pine Blister Rust (fungus) |
Infuse C, Fungonil CR |
| Shoots die back; bark cankers appear pitch |
Canker (fungus) |
Copper |
| Bark of trunk and roots gnawed |
Rodents |
MoleMax G, Repels-All,
No Escape, Gopher Gassers |
| Major damage; foliage eaten; bark is damaged in flat strips |
Deer |
Repels-All CRG,
Deer/Rabbit R,
Hot Pepper Wax |
S
Spruce, Blue
Spruce, Blue
| Symptoms |
Probable Cause |
Bonide Best Solution |
| Tree misshapen; lower branches dead |
Old Age |
Replace tree |
| Cone-shaped galls on twig tips |
Spruce Gall Aphids |
Annual Tree & Shrub, Eight CRS,
All Seasons, Bon-Neem, Systemic Insect |
| Foliage looks bad, small silken bags hang from twigs |
Bagworms |
Systemic Insect C, Eight CRSD, Thuricide BT |
| Needles and buds eaten out; defoliation |
Spruce Budworms |
Systemic Insect C, Total Outdoor, Rotenone/Pyrethrin |
| Leaves stippled, yellowing or bronze; dry out and drop may be webbing visible; sometimes galls form on leaves |
Spider Mites |
Mite-X, Total-Outdoor,
Systemic Insect C, All Seasons CRS |
| Needles webbed together |
Spruce Needle Miners |
Annual Tree & Shrub, Eight CRS,
All Seasons, Rote/Pyrethrin,
Systemic Insect C |
| Tree becomes defoliated |
Sawflies |
Annual Tree & Shrub,
Bon-Neem CR, Rote/Pyr,
Total Outdoor |
| Branches die; needles drop; cankers in bark |
Twig Blight (fungus) |
Infuse, Fungonil CR |
| Needles discolored; undersides blistered |
Rust (fungus) |
Liquid Copper, Fungonil CR |
| Gnawed tree bark |
Rodent Injury |
MoleMax G, Repels-All,
No Escape, Gopher Gassers |
| When young portions of foliage disappear, or young tips disappear |
Deer |
Repels-All CRG, Deer/Rabbit R, Hot Pepper Wax |
Spruce, Norway
Spruce, Norway
| Symptoms |
Probable Cause |
Bonide Best Solution |
| Needles wrinkled or curled; discolored, stunted, tend to fall off; galls on shoots |
Aphids. |
Annual Tree & Shrub, Eight CRS, All Seasons, Bon-Neem, Systemic Insect |
| Black powdery sooty mold fungus forms on honeydew; branches may die |
Ants Herding Aphids |
Eight CRS, TOTAL-Outdoor, Rotenone/Pyrethrin |
| Foliage looks bad, small silken bags hang from twigs |
Bagworm |
Systemic Insect, Eight CRSD, Thuricide BT |
| Wilting; new growth deformed |
Budworms |
Systemic Insect, Total Outdoor, Rotenone/Pyrethrin |
| Leaves stippled, yellowing or bronze; dry out and drop may be webbing visible |
Mites |
Mite-X, Total-Outdoor,
Systemic Insect, All Seasons |
| Many holes in trunk and branches; small limbs girdled sawdust at holes |
Borers |
Annual Tree & Shrub, Borer/Miner, Total-Outdoor |
| Needles webbed together |
Spruce Needle Miner |
Annual Tree & Shrub, Eight CRS, All Seasons, Rotenone/Pyrethrin,
Systemic Insect |
| Tree becomes defoliated |
Sawflies |
Annual Tree & Shrub,
Bon-Neem, Rote/Pyr,
Total Outdoor |
| Branch die back; needle drop; resinous cankers |
Canker (fungus) |
Rotenone/Copper |
| Blistered; discolored needles |
Rust (fungus) |
Infuse, Fungonil CR |
| Shelf-like growths erupt from trunk |
Wood Rot |
Provide better drainage |
| Bark of trunk and roots gnawed |
Rodent Injury |
MoleMax G, Repels-All,
No Escape, Gopher Gassers |
| When young portions of foliage disappear, or young tips disappear |
Deer |
Repels-All CRG,
Deer/Rabbit R, Hot Pepper Wax |
Spruce, Serbian
Spruce, Serbian
| Symptoms |
Probable Cause |
Bonide Best Solution |
| Needles wrinkled or curled; discolored, stunted, tend to fall off; galls on shoots |
Aphids |
Annual Tree & Shrub,
Eight CRS,
All Seasons,
Total Outdoor,
Systemic Insect |
| Black powdery sooty mold fungus forms on honeydew; branches may die |
Ants Herding Aphids |
Eight CRS, TOTAL-Outdoor, Rotenone/Pyrethrin |
| Leaves defoliated; foliage looks bad, silken bags hang on twigs; twigs girdled |
Bagworm |
Systemic Insect,
Eight CRSD, Thuricide BT |
| Wilting; new growth deformed |
Budworms |
Systemic Insect,
Total Outdoor, Rotenone/Pyrethrin |
| Leaves stippled, yellow/bronze; dry out and drop, webbing visible; galls on leaves |
Mites |
Mite-X, Total-Outdoor, Systemic Insect, All Seasons |
| Many holes in trunk and branches; small limbs girdled sawdust at holes |
Borers |
Annual Tree & Shrub, Borer/Miner, Total-Outdoor |
| Needles webbed together |
Spruce Needle Miner |
Annual Tree & Shrub,
All Seasons, Rotenone/Pyrethrin,
Systemic Insect |
| Tree becomes defoliated |
Sawflies |
Annual Tree & Shrub,
Bon-Neem, Rote/Pyr,
Total Outdoor |
| Branch die back; needle drop; cankers |
Canker |
Copper |
| Blistered; discolored needles |
Rust (fungus) |
Infuse, Fungonil CR |
| Shelf-like growths erupt from trunks |
Wood Rot |
Provide better drainage |
| Bark of trunk and roots gnawed |
Rodent Injury |
MoleMax G, Repels-All,
No Escape, Gopher Gassers |
| When young portions of foliage disappear, or young tips disappear |
Deer |
Repels-All CRG,
Deer/Rabbit R,
Hot Pepper Wax |
Spruce, White
Spruce, White
| Symptoms |
Probable Cause |
Bonide Best Solution |
| Leaves defoliated; foliage looks bad, small silken bags hang from twigs; twigs girdled |
Bagworm |
Systemic Insect, Eight CRSD, Thuricide BT |
| Wilting; new growth deformed |
Budworms |
Systemic Insect, Total Outdoor, Rotenone/Pyrethrin |
| Leaves stippled, yellow/bronze; dry out and drop, webbing visible; galls on leaves |
Mites |
Mite-X, Total-Outdoor,
Systemic Insect, All Seasons |
| Many holes in trunk and branches; small limbs girdled sawdust at holes |
Borers |
Annual Tree & Shrub, Borer/Miner, Total-Outdoor |
| Leaves consumed; conspicuous tawny egg masses present on trunk |
Caterpillar Of Gypsy Moth |
TOTAL-Outdoor, Systemic Insect, Thuricide BT |
| Needles webbed together |
Spruce Needle Miner |
Annual Tree & Shrub, Eight CRS, All Seasons, Rotenone/Pyrethrin, Systemic Insect |
| Tree becomes defoliated |
Sawflies |
Annual Tree & Shrub, Bon-Neem, Rote/Pyr, Total Outdoor |
| Blisters; discoloration on lower needles |
Rust (fungus) |
Infuse, Fungonil CR |
| Shelf-like growths erupt from trunk |
Wood Rot |
Proved better drainage |
| Bark of trunk and roots gnawed |
Rodent Injury |
MoleMax G, Repels-All,
No Escape, Gopher Gassers |
| When young portions of foliage disappear, or young tips disappear |
Deer |
Repels-All CRG, Deer/Rabbit R, Hot Pepper Wax |
T
Tulip Tree (Liriodendron)
Tulip Tree (Liriodendron)
  
| Symptoms |
Probable Cause |
Bonide Best Solution |
| Leaves yellow and drop in summer |
Not Enough Water |
Increase watering |
| Leaves or needles wrinkled or curled; discolored, stunted, tend to fall off |
Aphids |
Annual Tree & Shrub,
Eight CRS, All Seasons,
Bon-Neem, Systemic Insect |
| Leaves and branches encrusted with small bumps; stunted plant growth |
Scale |
Annual Tree & Shrub,
Bon-Neem, All Seasons,
Total Outdoor |
| Purplish spots on leaves |
Gall Fly |
Rotenone/Pyrethrin, Eight CRS |
| Gray coating on foliage |
Powdery Mildew |
Infuse C, Bon-Neem, Fung-onil |
| Rotting visible on branches; bark |
Canker (fungus) |
Copper |
| Leaves wilt suddenly |
Verticillium Wilt (fungus) |
New soil, less nitrogen, grow resistant varieties |
| Young portions of foliage disappear, young tips disappear, bark peeled off |
Deer |
Repels-All CRG, Deer/Rabbit R, Hot Pepper Wax |
Tupelo/Black Gum (Nyssa)
Tupelo/Black Gum (Nyssa)
 
| Symptoms |
Probable Cause |
Bonide Best Solution |
| White, cottony mass, underside of leaves; leaves may yellow, drop; |
Cottony Maple Leaf Scales |
Annual Tree & Shrub,
Bon-Neem CR,
All Seasons CRS,
Total Outdoor |
| Black powdery sooty mold fungus forms on honeydew; branches may die |
Ants Herding Aphids |
Eight CRS, TOTAL-Outdoor, Rotenone/Pyrethrin |
| Leaves consumed; conspicuous tawny egg masses present on trunk |
Caterpillar Of Gypsy Moth |
TOTAL-Outdoor,
Systemic Insect C,
Thuricide BT |
| Leaves wilt, brown, drop; tree dies |
Botryosphaeria-Ribis (bacterial) |
Infuse, Fungonil CR |
| When young portions of foliage disappear, or young tips disappear |
Deer |
Repels-All CRG,
Deer/Rabbit R,
Hot Pepper Wax |
|
