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chemicals


Taxonomic Rank: Other damage agents > Abiotic > Other abiotic damage >
Category: Other Damage Agents: Abiotic Damage

127 Records
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Image Descriptor Description
0364088 Damage hydrogen fluoride damage
0364089 Damage hydrogen fluoride damage to white pine
0541038 Damage hydrogen flouride
1241647 Damage Douglas-fir damaged several miles downwind from release site of chloring gas. Outer foliage was killed and shed within two weeks of exposure.
1241648 Damage Trees of several species died after calcium chloride dust abatement was applied to the road.
1241649 Damage Foliage symptoms of calcium chloride injury. Symptoms developed in the spring following a late summer application.
1241650 Damage Magnesium chloride dust abatement injury.
1241651 Damage

Magnesium chloride dust abatement injury.

1248037 Damage Roadside damage due to an as yet unspecified cause, probably application of de-iceing chemicals, near Boulder, CO
1402071 Damage Xylene is a chemical carrier present in some emulsifiable concentrate pesticides. When high rates of pesticides containing this chemical are applied under high pressure to young tobacco leaves, injury is very similar to a mild case of 2,4-D injury. The leaves are slightly narrower than normal and may have a glossy appearance, but are not as stiff as those with 2,4-D injury.
1402072 Damage Xylene is a chemical carrier present in some emulsifiable concentrate pesticides. When high rates of pesticides containing this chemical are applied under high pressure to young tobacco leaves, injury is very similar to a mild case of 2,4-D injury. The leaves are slightly narrower than normal and may have a glossy appearance, but are not as stiff as those with 2,4-D injury.
1402073 Damage Carbofuran can cause small, irregular, oval-shaped lesions to first appear on the bottom leaves and progress upwards, especially under dry conditions. The white-tan to brown-yellow lesions are first produced on the leaf margins, followed by numerous lesions between the veins on the entire leaf. With high chemical concentrations, the leaf edges may be cupped upwards or curled downwards and the leaves may be narrow or arrow-shaped. Stunted plants and premature flowering may also occur. Recommended rates and proper application methods may produce a mild flecking but rarely the severe symptoms. Other disorders such as weather fleck and other chemicals may produce similar symptoms.
1402076 Damage Oxamyl injury symptoms are very similar to the physiological disorder of frenching where affected plants develop a large number of leaves and suckers. The leaves are very narrow with prominent midribs. Interveinal chlorosis also occurs.
1402087 Damage Fatty alcohols turn smaller suckers brown soon after application. Leaf axils may also be burned by high concentrations of the chemical. Occasionally, buds of young plants may be killed. There may be contact-type burns on the tender, upper leaves. Damage is usually minor, but can be more severe if the concentration of the chemical is excessive or if application is made to wilted plants. Usually there will be burns along the edge or other portions of the leaf where the spray material collects. Leaf drop may occur at the lower part of the stalk if burn in the leaf axil is substantial, leaves are large, humidity is high, and certain disease organisms are present. Excessive nitrogen fertilizer contributes to these conditions.
1402088 Damage Maleic hydrazide, applied after topping to prevent sucker growth, inhibits cell division. If applied to immature plants, the younger leaves become narrow and pale green. Stalk elongation is slowed or halted. Application rate affects the degree of response. Applied at the correct rate and stage of plant development, the chemical has little visible effect on harvestable leaves, except for a slight yellowing of the upper leaves. Existing suckers at the time of treatment develop small, narrow leaves and are limited to growth. Suckers tend to develop at the bottom of the stalk as harvest nears completion. Excess rates will cause considerable yellowing, thickening, and drooping of the tip leaves.
1402089 Damage Maleic hydrazide, applied after topping to prevent sucker growth, inhibits cell division. If applied to immature plants, the younger leaves become narrow and pale green. Stalk elongation is slowed or halted. Application rate affects the degree of response. Applied at the correct rate and stage of plant development, the chemical has little visible effect on harvestable leaves, except for a slight yellowing of the upper leaves. Existing suckers at the time of treatment develop small, narrow leaves and are limited to growth. Suckers tend to develop at the bottom of the stalk as harvest nears completion. Excess rates will cause considerable yellowing, thickening, and drooping of the tip leaves.
1402090 Damage Chlorpropham (Bud Nip®) is used for the prevention of late season suckers. It is applied to plants with fully expanded tip leaves. If applied earlier, the upper leaves exhibit more puckering than normal, which gives the leaves a "waffled" appearance. Suckers present at the time of treatment grow slowly and develop a rosette appearance, apparently because internode lengths are shortened.
1402091 Damage Flumetralin (Prime +®) is applied at the late button to early flower stage of plant development to prevent sucker growth. If applied earlier, the tip leaves not removed by topping may exhibit symptoms similar to those caused by mosaic virus. There will be splotches of light and dark green leaf tissue. These young leaves may curl downward and do not fully expand. Buds of immature plants and affected suckers may cease growth. The tip end of the two outer leaves of each sucker may bend outward. Yellow residue of the chemical may be observed for several days after application. Occasionally, pith tissue will differentiate into adventitious buds, which appear as clusters of very small suckers. Suckers that escape contact with Prime+® will continue to grow.
1440076 Damage Small irregular, oval- shaped lesions with a white-tan to brown-yellow appear on the margins of the bottom leaves. The lesions may progress to involve the entire interveinal area of the leaf as well as move up the plant, especially under dry conditions. With high concentrations of the chemical, the leaf edges may cup upward or curl downward, and the leaves may be narrow and arrow shaped. Stunting of the plants and premature flowering may also occur. Injury symptoms may be similar to those of manganese toxicity or triazine herbicide damage. Recommended rates and proper application may produce a mild flecking but rarely causes serious injury.
1440084 Damage Xylene is a chemical carrier that is present in some emulsifiable concentrate pesticides. When high rates of pesticides containing this chemical are applied under high pressure to young tobacco leaves, injury similar to a mild case of 2,4-D injury may be sustained. Leaves affected by xylene are slightly narrower than normal and may have a glossy appearance. Though similar to 2,4-D injury leaves affected by xylene are not as stiff.
1440085 Damage Other chemical substances such as oils, solvents, fuels, and diluents may cause injury to tobacco through foliar contact. This contact may result in darkening of tender leaf areas, distortion of the leaf, or the formation of necrotic areas on the leaf. Holes may appear in the leaf if the tissue is killed. Severe exposure may result in the loss of turgor, and/or leaf drop; but under normal circumstances, later growth is not affected.
1440086 Damage Fatty alcohols (contact sucker control chemicals) turn small suckers brown shortly after application. Leaf axils may be burned by high concentrations of these alcohols. Buds of young plants may be killed. Leaf burn may be observed, particularly along the outer edge of tender upper leaves. Damage from these burns is usually minor, but it can be severe if the concentration of the chemical is excessive or the application is made to wilted plants. Leaf drop, shown in above photo, may occur at the bottom of the plant if the leaf axils have been severely burned.
1440087 Damage Maleic hydrazide , applied after topping to prevent sucker growth, acts by inhibiting cell division. If it is applied to immature plants, the younger leaves become narrow and pale green, and stalk elongation is slowed or halted. Application of excessive rates may cause abnormal coloring and thickening of upper leaves as well as drooping of the tip leaves. The use of excessive pressure and/or improper nozzles may result in leaf scorch or burn, especially on hot days. Suckers existing on the plant at the time of application develop small, narrow leaves and are limited in growth. Application rate determines the response of the plant.
1442026 Damage symptons on red oak
1442027 Damage symptoms on red oak
1458070 Damage chlorine injury; June 1975
1467030 Damage diesel fuel spill
1467038 Damage diesel fuel spill
1467213 Damage close up of 1467212
1467214 Damage boron damage
1473070 Damage

1960; Yellow foliage is normal fall color of aspen, the chemical damage (unknown pollutant, but probably sulfur dioxide) is the patch of dead trees at bottom of slope; 1960.

 

1494018 Damage chemical burn on pecan
1494131 Damage pecan So2 survey
1494132 Damage pecan SO2 Survey
1494135 Damage SO2 injury on left
1494136 Damage Pecan SO2 Survey
1494137 Damage SO2 injury
1494143 Facility Possible source of SO2 near damaged orchard
1496235 Symptoms SO2 injury apple
1504099 Damage Ammonia injury (pipeline break), sassafras
1505002 Damage Ammonia damage, southern red oak
1505003 Damage Ammonia damage, white oak
1505004 Damage Ammonia damage, cherrybarkoak
1505006 Damage Ammonia damage, post oak
1505007 Damage Ammonia damage, 1 month post spill
1505008 Damage Ammonia damage, shortly after break
1505009 Damage Ammonia damage, aerial view
1505010 Damage Ammonia damage, hillside damage
1505011 Damage Ammonia damage, 2-3 mi downstream
1505013 Damage Flouride injury; slash pine, brick plant source bk
1505014 Damage Flouride injury, birch
1505017 Damage SO2 injury, oak; Widows Creek
1505018 Damage SO2 injury, sumac
1506050 Facility Chimneys - 800 ft - no SO2 removal; Keystone Station
1506051 Damage Calcium carbamate fume damage, spruce & birch
1525076 Symptoms

Chemical injury

2253071 Damage Foliage "burn" due to dimethoate insecticide.
2253072 Damage Foliage "burn" due to dimethoate insecticide.
3037006 Damage injury to seedlings
4912056 Symptoms
5059017 Damage sulfur dioxide damage; point source
5076084 Damage Chlorothalonil burn. Light green, white or burned appearance that is associated with this fungicide in the latter stages of watermelon development.
5331064 Damage
5332018 Damage

phytotoxicity due to Ridomil fungicide

5332021 Damage

phytotoxicity due to Captan fungicide

5333026 Damage
5335083 Damage

Streptomycin injury

5336019 Damage

suspected fluoride injury

5336020 Damage

Flouride injury

5336021 Damage

suspected fluoride injury

5336022 Damage

suspected fluoride injury

5336023 Damage

suspected fluoride injury

5336096 Damage

Distortion of new growth from leachates of PVC or duct tape

5337009 Damage

growth regulator injury

5337010 Damage

Propane Injury: healthy = right, injured = left

5337012 Damage

Cycocel injury

5337013 Symptoms

Cycocel injury

5356655 Damage

Damage to corn plants caused by pesticide (dicamba).

5356699 Damage

2,4-D damage to a grapevine.

5356757 Inspection

Elmer Rothman inspecting herbicide damage to field corn.

5356758 Damage

Herbicide damage to young corn plants.

5356815 Damage

Damage to winter wheat due to carryover of atrazine.

5356816 Damage

Damage to winter wheat due to carryover of atrazine.

5356823 Damage

Damage to a young grape vine due to 2,2-D.

5356824 Damage

Dry bean plants showing damage due to carryover of herbicides used on sugarbeets.

5361266 Damage

Fasciation of corn roots caused by herbicide damage.

5362710 Damage

Close-up view of crop oil damage to the leaf of a corn plant.

5362711 Damage

Close-up view of crop oil damage to the leaf of a corn plant.

5362997 Damage

Damage to dry bean plants caused by spraying 2,4-D directly onto the plants.

5362998 Damage

Damage to light red kidney bean plants caused by phenoxy herbicide.

5362999 Damage

Damage to a light red kidney bean plant due to phenoxy herbicide.

5363001 Damage

Phenoxy damage on light red kidney bean plants.

5363002 Damage

Phenoxy herbicide damage to leaves of a light red kidney bean plant.

5364018 Damage

Paraquat spot damage on a dry bean leaf.

5364019 Damage

Cupping of bean leaves due to phenoxy damage to the canopy.

5364020 Damage

"Cobra head" in a dry bean plant, a symptom of phenoxy damage to the leaves.

5364021 Damage

Strapped leaves in a dry bean plant - a symptom of phenoxy damage.

5364022 Damage

Swollen branches of a bean plant, a symptom of damage from phenoxy drift into the field.

5364023 Damage

Soil excavated from the bases of dry bean plants to show squarestem disease and damage to roots caused by phenoxy drift or carryover to the bean field.

5364024 Damage

Damage to the canopy of dry bean plants resulting from phenoxy drift into the field.

5365329 Damage

Damage to dry bean plants caused by drift of phenoxy herbicides.

5365330 Damage

Damage to dry bean plants caused by drift of a phenoxy herbicide.

5365331 Damage

Damage to dry bean plants caused by the drift of a phenoxy herbicide.

5366451 Damage

Soil sterilant damage to a conifer in a suburban yard.

5366454 Damage

Soil sterilant damage to a tree in a suburban yard.

5366458 Damage

Damage to grape leaves from use of a phenoxy herbicide.

5366641 Damage

Paraquat damage to field corn.

5368377 Symptoms

Burley tobacco leaves with large spots with a water-soaked margin seen more clearlyon the bottom side of the leaves. Image is of the top side of the leaves. Azoxystrobin (fungicide) injury.

5368378 Symptoms

Burley tobacco leaves with large spots with a water-soaked margin seen more clearlyon the bottom side of the leaves. Image is of the bottom side of leaves. Azoxystrobin (fungicide) injury.

5372707 Symptoms
5372708 Symptoms
5372709 Symptoms
5372762 Symptoms
5372763 Symptoms
5372764 Damage
5372765 Damage
5372787 Symptoms
5372788 Damage

Injury- chemical

5372789 Damage

Injury-chemical

5372790 Damage
5372791 Symptoms
5372792 Symptoms
5372793 Symptoms
5372794 Symptoms
5395018 Damage

crop oil injury

5395019 Damage

crop oil injury

5395020 Damage

crop oil injury



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