Leaf blotch fungus Stock Photos and Images

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Leaf blotch fungus Stock Photos and Images

Horse Chestnut Tree leaves (Aesculus hippocastanum). Leaf blotch. Caused by fungus (Guignardia aesculi). Colourful but not seriously damaging. Stock Photo

RM2A3J88P–Horse Chestnut Tree leaves (Aesculus hippocastanum). Leaf blotch. Caused by fungus (Guignardia aesculi). Colourful but not seriously damaging.

The conker tree (Horse Chestnut) could vanish from Britain because of disease and invasive moths. These leaves show signs of damage. Stock Photo

RFPD98JE–The conker tree (Horse Chestnut) could vanish from Britain because of disease and invasive moths. These leaves show signs of damage.

Horse Chestnut Leaf Blotch - Leaves affected by Horse Chestnut Leaf Blotch - an unsightly infection of the leaves by fungus Phyllosticta paviae. Stock Photo

RF2D37KK3–Horse Chestnut Leaf Blotch - Leaves affected by Horse Chestnut Leaf Blotch - an unsightly infection of the leaves by fungus Phyllosticta paviae.

Leaf blotch Zythia fragariae on strawberry flower calyx at fruit set Stock Photo

RMAW1PPH–Leaf blotch Zythia fragariae on strawberry flower calyx at fruit set

Horse Chestnut Leaf Miner infection of leaves in the UK in 2009 Stock Photo

RMBHH6H7–Horse Chestnut Leaf Miner infection of leaves in the UK in 2009

Rhychosporium leaf blotch Rhychosporium spp lesions on ryegrass leaves Stock Photo

RMAXE2FP–Rhychosporium leaf blotch Rhychosporium spp lesions on ryegrass leaves

Leaf Blotch fungus was introduced from North America a century ago. The fungal infection starts the tree foliage to yellow early in autumn. This makes Stock Photo

RM2H03BNN–Leaf Blotch fungus was introduced from North America a century ago. The fungal infection starts the tree foliage to yellow early in autumn. This makes

Barley leaf blotch or leaf scald (Rhynchosporium secalis) lesions on barley leaves Stock Photo

RMBRNG49–Barley leaf blotch or leaf scald (Rhynchosporium secalis) lesions on barley leaves

Rose Rust fungus on a leaf. This disease is caused by the rust fungus Phragmidium sp. Stock Photo

RF2HAG9YJ–Rose Rust fungus on a leaf. This disease is caused by the rust fungus Phragmidium sp.

Horse chestnut leaf blotch (Guignardia aesculi) spots on a horse chestnut leaf Stock Photo

RMCB7EGE–Horse chestnut leaf blotch (Guignardia aesculi) spots on a horse chestnut leaf

Leaf blotch infection on a Horse Chestnut Tree caused by the fungus, Phyllosticta paviae. Stock Photo

RF2BWJXBJ–Leaf blotch infection on a Horse Chestnut Tree caused by the fungus, Phyllosticta paviae.

guignardia aesculi fungus blotches on horse chestnut tree leaves Stock Photo

RFDF4EB6–guignardia aesculi fungus blotches on horse chestnut tree leaves

Horse chestnut tree leaves, otherwise known as the conker tree. The leaves are diseased with a fungus which causes blotches to appear. Stock Photo

RFW3FJK3–Horse chestnut tree leaves, otherwise known as the conker tree. The leaves are diseased with a fungus which causes blotches to appear.

Several home garden apples with fungus and disease in the summer. Stock Photo

RF2K0Y50N–Several home garden apples with fungus and disease in the summer.

An infestation of Leaf Blight fungus has caused a large section of this Horse-chestnut to go into early senescence and turn yellow and gold early Stock Photo

RM2H03BN6–An infestation of Leaf Blight fungus has caused a large section of this Horse-chestnut to go into early senescence and turn yellow and gold early

maple leaf with funghi, Switzerland Stock Photo

RMEYYTJT–maple leaf with funghi, Switzerland

Horse-chestnut Leaf Blight, or Rust, is a fungal infection specific to the Horse-chestnut tree. The Horse-chestnut tree was introduced to the UK Stock Photo

RM2H2BMD7–Horse-chestnut Leaf Blight, or Rust, is a fungal infection specific to the Horse-chestnut tree. The Horse-chestnut tree was introduced to the UK

Erotylid beetle (Tritoma bipustulata), on a leaf, Germany Stock Photo

RMF00G4Y–Erotylid beetle (Tritoma bipustulata), on a leaf, Germany

Puccinia phragmitis, a rust fungus called dock rust, growing on Rumex crispus, the curly dock Stock Photo

RFTTF748–Puccinia phragmitis, a rust fungus called dock rust, growing on Rumex crispus, the curly dock

RMF00638–maple leaf with funghi, Switzerland

RFPD98J5–The conker tree (Horse Chestnut) could vanish from Britain because of disease and invasive moths. These leaves show signs of damage.

Leaf spot on horse chestnut leaves Stock Photo

RFHT287H–Leaf spot on horse chestnut leaves

Fungal disease on cereals. Cause significant yield losses in cereals. Infected leaf surrounded by healthy. Stock Photo

RF2K8C9N3–Fungal disease on cereals. Cause significant yield losses in cereals. Infected leaf surrounded by healthy.

RMBHH6H5–Horse Chestnut Leaf Miner infection of leaves in the UK in 2009

Net blotch of barley -fungal disease on barley. Stock Photo

RF2H87D9B–Net blotch of barley -fungal disease on barley.

Black Tarry Spot on a Maple Leaf Called the 'Goudronneuse' is a Microscopic Fungus Infection Affecting the Norway Maple in Canad Stock Photo

RFE8E5H8–Black Tarry Spot on a Maple Leaf Called the 'Goudronneuse' is a Microscopic Fungus Infection Affecting the Norway Maple in Canad

Close up of a leaf with the rust like spots caused by scale insects of the Coccidae family. Photographed in Stubaital, Tyrol, Austria in September Stock Photo

RFR63YM3–Close up of a leaf with the rust like spots caused by scale insects of the Coccidae family. Photographed in Stubaital, Tyrol, Austria in September

RF2HAGA2N–Rose Rust fungus on a leaf. This disease is caused by the rust fungus Phragmidium sp.

RMCB7EFK–Horse chestnut leaf blotch (Guignardia aesculi) spots on a horse chestnut leaf

RF2BWJXD7–Leaf blotch infection on a Horse Chestnut Tree caused by the fungus, Phyllosticta paviae.

Leaf of a rainforest shrub infected with a fungal disease, Orellana province, Ecuador Stock Photo

RF2MW6E1A–Leaf of a rainforest shrub infected with a fungal disease, Orellana province, Ecuador

RFW3FJK7–Horse chestnut tree leaves, otherwise known as the conker tree. The leaves are diseased with a fungus which causes blotches to appear.

Single home garden apple with disease and fungus in the summer. Stock Photo

RF2K0Y51A–Single home garden apple with disease and fungus in the summer.

Gold Nugget Cherry Tomato plant with late blight (Phytophthora infestans) disease in Issaquah, Washington, USA. Lesions on leaves appear as large wat Stock Photo

RF2BTC727–Gold Nugget Cherry Tomato plant with late blight (Phytophthora infestans) disease in Issaquah, Washington, USA. Lesions on leaves appear as large wat

Puccinia malvacearum, Hollyhock Leaf Rust Stock Photo

RF2FNH6K2–Puccinia malvacearum, Hollyhock Leaf Rust

A Stack Of apple scab Diseases and Symptoms with Apple trees. Stock Photo

RF2WBRB09–A Stack Of apple scab Diseases and Symptoms with Apple trees.

irregular brown blotches variated leaf damage on horse chestnut premature autumn autumnal colour change damage due to disease Stock Photo

RME8DYP4–irregular brown blotches variated leaf damage on horse chestnut premature autumn autumnal colour change damage due to disease

RFTTF74H–Puccinia phragmitis, a rust fungus called dock rust, growing on Rumex crispus, the curly dock

Hollyhock rust caused by fungus Puccinia heterospora or P.malvacearum lower leaves of broad leafed plant covered in disease rife hot humid conditions Stock Photo

RM2CARXA7–Hollyhock rust caused by fungus Puccinia heterospora or P.malvacearum lower leaves of broad leafed plant covered in disease rife hot humid conditions

Leaves of fruit trees affected by fungal diseases Stock Photo

RF2D6BH38–Leaves of fruit trees affected by fungal diseases

Lesions caused by alternaria fungus on diseased apple leaf Stock Photo

RFCRY18Y–Lesions caused by alternaria fungus on diseased apple leaf

Horse Chestnut (Aesculus hippocastanum). Leaves infected with Guignardia leaf blotch, (Guignardia aesculi). Stock Photo

RME61TW7–Horse Chestnut (Aesculus hippocastanum). Leaves infected with Guignardia leaf blotch, (Guignardia aesculi).

RMBHH6EM–Horse Chestnut Leaf Miner infection of leaves in the UK in 2009

RF2H87D99–Net blotch of barley -fungal disease on barley.

Issaquah, Washington, USA. Spaghetti squash plant with blight on the leaves Stock Photo

RF2EKCBM7–Issaquah, Washington, USA. Spaghetti squash plant with blight on the leaves

Common bunt, or stinking smut and covered smut, is a disease of spring and winter wheats caused by Tilletia tritici and laevis. Stock Photo

RF2HA464A–Common bunt, or stinking smut and covered smut, is a disease of spring and winter wheats caused by Tilletia tritici and laevis.

RFR63YG9–Close up of a leaf with the rust like spots caused by scale insects of the Coccidae family. Photographed in Stubaital, Tyrol, Austria in September

RMCB7EG3–Horse chestnut leaf blotch (Guignardia aesculi) spots on a horse chestnut leaf

RF2BWJXCP–Leaf blotch infection on a Horse Chestnut Tree caused by the fungus, Phyllosticta paviae.

RMB5JJCW–Horse chestnut leaf blotch Guignardia aesculi spots on a horse chestnut leaf

RF2BWA6MM–Leaf blotch infection on a Horse Chestnut Tree caused by the fungus, Phyllosticta paviae.

Close view of several home garden apples with fungus and disease in the summer. Stock Photo

RF2K0Y512–Close view of several home garden apples with fungus and disease in the summer.

RF2MW6E3X–Leaf of a rainforest shrub infected with a fungal disease, Orellana province, Ecuador

RF2FNH6A0–Puccinia malvacearum, Hollyhock Leaf Rust

RF2T93F2B–A Stack Of apple scab Diseases and Symptoms with Apple trees.

Leaf tipping on Rice (Oryza sativa) caused by Leaf scald (Microdochium oryzae) disease, Thailand Stock Photo

RM2ATWH39–Leaf tipping on Rice (Oryza sativa) caused by Leaf scald (Microdochium oryzae) disease, Thailand

RFTRYKHC–Puccinia phragmitis, a rust fungus called dock rust, growing on Rumex crispus, the curly dock

RM2CARY8E–Hollyhock rust caused by fungus Puccinia heterospora or P.malvacearum lower leaves of broad leafed plant covered in disease rife hot humid conditions

RF2D6BH6W–Leaves of fruit trees affected by fungal diseases

RM2CET85J–Hollyhock rust caused by fungus Puccinia heterospora or P.malvacearum lower leaves of broad leafed plant covered in disease rife hot humid conditions

Horse Chestnut (Aesculus hippocastanum). Leaves infected with Guignardia leaf blotch, (Guignardia aesculi). View from above. Stock Photo

RME61TAG–Horse Chestnut (Aesculus hippocastanum). Leaves infected with Guignardia leaf blotch, (Guignardia aesculi). View from above.

Soybean leaf septoria close-up Stock Photo

RF2RAHP2K–Soybean leaf septoria close-up

Brown spots caused by Guignardia leaf blotch blight fine horse chestnut (Aesculus hippocastanum) trees by the River Thames at Hampton Court historic royal palace at Richmond upon Thames, London, England. The blotch is a non-fatal infection widespread in southern England. The fungus Guignardia aesculi attacks horse chestnut trees from spring onwards, with the blotches most obvious in late summer. There is no effective treatment, but leaf damage is mostly cosmetic and trees seem to suffer no long-term damage. Stock Photo

RF2CDNW6Y–Brown spots caused by Guignardia leaf blotch blight fine horse chestnut (Aesculus hippocastanum) trees by the River Thames at Hampton Court historic royal palace at Richmond upon Thames, London, England. The blotch is a non-fatal infection widespread in southern England. The fungus Guignardia aesculi attacks horse chestnut trees from spring onwards, with the blotches most obvious in late summer. There is no effective treatment, but leaf damage is mostly cosmetic and trees seem to suffer no long-term damage.

RF2EKCBM6–Issaquah, Washington, USA. Spaghetti squash plant with blight on the leaves

RF2HA46EC–Common bunt, or stinking smut and covered smut, is a disease of spring and winter wheats caused by Tilletia tritici and laevis.

Black Tarry Spot on a Maple Leaf Called the 'Goudronneuse' is a Microscopic Fungus Infection Affecting the Norway Maple in Canada Stock Photo

RFJBMW2D–Black Tarry Spot on a Maple Leaf Called the 'Goudronneuse' is a Microscopic Fungus Infection Affecting the Norway Maple in Canada

Fungi and fungicides; a practical manual, concerning the fungous diseases of cultivated plants and the means of preventing their ravages . a he FIG. 32. PLUM DISEASES.a, b. Fruit scab; c, f Iuit spot. plums. It appears when the fruit is ripening, in theshape of minute round specks, of a paler or grayer colorthan the surrounding skin. These usually enlarge asthe fruit ripens, finally attaining a diameter of a quarter,or even half an inch. Several spots sometimes runtogether to form a blotch. The mycelium of the fungus THE PLUM LEAF-BLIGHT 63 does not j)enetrate deeply into the fruit, and in its Stock Photo

RM2AXK9PT–Fungi and fungicides; a practical manual, concerning the fungous diseases of cultivated plants and the means of preventing their ravages . a he FIG. 32. PLUM DISEASES.a, b. Fruit scab; c, f Iuit spot. plums. It appears when the fruit is ripening, in theshape of minute round specks, of a paler or grayer colorthan the surrounding skin. These usually enlarge asthe fruit ripens, finally attaining a diameter of a quarter,or even half an inch. Several spots sometimes runtogether to form a blotch. The mycelium of the fungus THE PLUM LEAF-BLIGHT 63 does not j)enetrate deeply into the fruit, and in its

. Manual of fruit diseases . Fruit. 58 MANUAL OF FRUIT DISEASES but slightly less susceptible are Smith Cider, Maiden Blush and others. The York Imperial, VVinesap, Grimes and Jonathan are only slightlj'injured by blotch. In the East, blotch is rarely destructive and has never been reported from northeastern United States. Apple-blotch, also known as the star-fungus, fruit-blotch, cancer, leaf-spot, and incorrectly as black-scab and late-scab, first attracted attention from Maryland and Texas in 1897. A few years later the same disease was reported from Illinois and in 1903 it was of serious e Stock Photo

RMPG3T49–. Manual of fruit diseases . Fruit. 58 MANUAL OF FRUIT DISEASES but slightly less susceptible are Smith Cider, Maiden Blush and others. The York Imperial, VVinesap, Grimes and Jonathan are only slightlj'injured by blotch. In the East, blotch is rarely destructive and has never been reported from northeastern United States. Apple-blotch, also known as the star-fungus, fruit-blotch, cancer, leaf-spot, and incorrectly as black-scab and late-scab, first attracted attention from Maryland and Texas in 1897. A few years later the same disease was reported from Illinois and in 1903 it was of serious e

RMB5JH5A–Horse chestnut leaf blotch Guignardia aesculi spots on a horse chestnut leaf

RF2BWA6MF–Leaf blotch infection on a Horse Chestnut Tree caused by the fungus, Phyllosticta paviae.

RMB35F3D–Horse chestnut leaf blotch Guignardia aesculi spots on a horse chestnut leaf

Close view of a garden apple with disease fungus and insect damage in the summertime. Stock Photo

RF2K0Y51E–Close view of a garden apple with disease fungus and insect damage in the summertime.

RF2FNH6PG–Puccinia malvacearum, Hollyhock Leaf Rust

RF2TAHKX9–A Stack Of apple scab Diseases and Symptoms with Apple trees.

apples apple crack disease rot infection scab fissure illness sickness leaf Stock Photo

RFJ764YD–apples apple crack disease rot infection scab fissure illness sickness leaf

RFTRYKGT–Puccinia phragmitis, a rust fungus called dock rust, growing on Rumex crispus, the curly dock

. Kig. 6.—Speckled leaf blotch of wheat. The presence of the fungus is indicated by the many black dots in the blotched regions. usually where the blade is attached to the sheath, killing it at that point and causing the death of all the outward part of the leaf. Very little new infection occurs after flowering time of the grain. Speckled leaf blotch occasionally attacks the tips of glumes and produces spots similar to those caused by glume blotch, except that the color is darker and the discoloration ends in streaks along the main veins. In some years speckled leaf blotch kills most of the ro Stock Photo

RMMCKWDT–. Kig. 6.—Speckled leaf blotch of wheat. The presence of the fungus is indicated by the many black dots in the blotched regions. usually where the blade is attached to the sheath, killing it at that point and causing the death of all the outward part of the leaf. Very little new infection occurs after flowering time of the grain. Speckled leaf blotch occasionally attacks the tips of glumes and produces spots similar to those caused by glume blotch, except that the color is darker and the discoloration ends in streaks along the main veins. In some years speckled leaf blotch kills most of the ro

Diseases of wheat, oats, barley, Diseases of wheat, oats, barley, and rye diseasesofwheato48boew Year: 1960 140 JLLINOIS NATURAL HISTORY SURVEY CIRCULAR 48 visible to the unaided eye, are scattered through the spots and streaks. Spots and streaks in dead leaves are much lighter (often almost white) than the surrounding tissue. Some leaf sheaths become infected with this disease. Life History and Control.—The life history of the Septoria fungus that affects rye is similar to that of the Septoria fungus that causes speckled leaf blotch of wheat, page 25. Controls for the two diseases are simil Stock Photo

RMT1HF40–Diseases of wheat, oats, barley, Diseases of wheat, oats, barley, and rye diseasesofwheato48boew Year: 1960 140 JLLINOIS NATURAL HISTORY SURVEY CIRCULAR 48 visible to the unaided eye, are scattered through the spots and streaks. Spots and streaks in dead leaves are much lighter (often almost white) than the surrounding tissue. Some leaf sheaths become infected with this disease. Life History and Control.—The life history of the Septoria fungus that affects rye is similar to that of the Septoria fungus that causes speckled leaf blotch of wheat, page 25. Controls for the two diseases are simil

RM2CET84X–Hollyhock rust caused by fungus Puccinia heterospora or P.malvacearum lower leaves of broad leafed plant covered in disease rife hot humid conditions

RME61T9X–Horse Chestnut (Aesculus hippocastanum). Leaves infected with Guignardia leaf blotch, (Guignardia aesculi). View from above.

Soybean leaf septoria close-up. Soybean leaf to the light Stock Photo

RF2R5PDY5–Soybean leaf septoria close-up. Soybean leaf to the light

RF2CDNW71–Brown spots caused by Guignardia leaf blotch blight fine horse chestnut (Aesculus hippocastanum) trees by the River Thames at Hampton Court historic royal palace at Richmond upon Thames, London, England. The blotch is a non-fatal infection widespread in southern England. The fungus Guignardia aesculi attacks horse chestnut trees from spring onwards, with the blotches most obvious in late summer. There is no effective treatment, but leaf damage is mostly cosmetic and trees seem to suffer no long-term damage.

RF2EKCCA8–Issaquah, Washington, USA. Spaghetti squash plant with blight on the leaves

RF2HA468F–Common bunt, or stinking smut and covered smut, is a disease of spring and winter wheats caused by Tilletia tritici and laevis.

Fungous diseases of plants . Fig. 175. Leaf Blotch of Rose 358 FUNGOUS DISEASES OF PLANTS XLIX. LEAF SPOT OF THE PEAR Septoria Pyricola Desm. DuGGAR, B. M. Some Important Pear Diseases. Leaf Spot. Cornell Agl.Exp. Sta. Built. 145: 597-611. figs. 1^7-16^. 1898. The leaf spot of pear is a disease whicli may be readily dis-tinguished from the leaf blight subsequently described. It occursthroughout the eastern United States as an important fungus, both. Fig. 176. Leaf Siot of Pear in orchards and nurseries. It is probably found throughout NorthAmerica and is reported from various parts of Europe. Stock Photo

RM2AJ58KR–Fungous diseases of plants . Fig. 175. Leaf Blotch of Rose 358 FUNGOUS DISEASES OF PLANTS XLIX. LEAF SPOT OF THE PEAR Septoria Pyricola Desm. DuGGAR, B. M. Some Important Pear Diseases. Leaf Spot. Cornell Agl.Exp. Sta. Built. 145: 597-611. figs. 1^7-16^. 1898. The leaf spot of pear is a disease whicli may be readily dis-tinguished from the leaf blight subsequently described. It occursthroughout the eastern United States as an important fungus, both. Fig. 176. Leaf Siot of Pear in orchards and nurseries. It is probably found throughout NorthAmerica and is reported from various parts of Europe.

RMB359TP–Horse chestnut leaf blotch Guignardia aesculi spots on a horse chestnut leaf

RF2FNH5TX–Puccinia malvacearum, Hollyhock Leaf Rust

Puccinia phragmitis, a rust fungus called dock rust, growing on Rumex crispus, the curly dock. A microscope image. field of view 2 mm. Stock Photo

RFTRYKG9–Puccinia phragmitis, a rust fungus called dock rust, growing on Rumex crispus, the curly dock. A microscope image. field of view 2 mm.

. Fig. 32.—Net blotch of barley. The outstanding characteristic of net blotch is a netted appearance in the spots, due to uneven distribution of brown color. yellow edges, and the leaf tissue surrounding them is often some- what yellowish. Streaks caused by this disease can be distin- guished from those of the stripe disease, since the former are much shorter and the leaf tissue does not split or shred along them. At harvest the straw of diseased plants is dull brown and weak. Infected kernels bear dark spots at the base. Life History.—The net blotch fungus produces both winter and summer spor Stock Photo

RMMCKX1C–. Fig. 32.—Net blotch of barley. The outstanding characteristic of net blotch is a netted appearance in the spots, due to uneven distribution of brown color. yellow edges, and the leaf tissue surrounding them is often some- what yellowish. Streaks caused by this disease can be distin- guished from those of the stripe disease, since the former are much shorter and the leaf tissue does not split or shred along them. At harvest the straw of diseased plants is dull brown and weak. Infected kernels bear dark spots at the base. Life History.—The net blotch fungus produces both winter and summer spor

Elementary principles of agriculture Elementary principles of agriculture : a text book for the common schools elementaryprinci02ferg Year: 1913 364 Elementary Principles of Agriculture 543. Spraying. The principal fungus diseases to be prevented in the case of the apple are scab, apple blotch, bitter rot and black rot. The insects affecting the apple most seriously are codling moth (Fig. 101) curculio (Fig. 95), San Jose scale (pronounced san ho-sa') (Fig. 100), and in some sections the woolly aphis and leaf aphis. The combination sprays usually applied are as follows: Fig. 228. B. To co Stock Photo

RMT0D2M2–Elementary principles of agriculture Elementary principles of agriculture : a text book for the common schools elementaryprinci02ferg Year: 1913 364 Elementary Principles of Agriculture 543. Spraying. The principal fungus diseases to be prevented in the case of the apple are scab, apple blotch, bitter rot and black rot. The insects affecting the apple most seriously are codling moth (Fig. 101) curculio (Fig. 95), San Jose scale (pronounced san ho-sa') (Fig. 100), and in some sections the woolly aphis and leaf aphis. The combination sprays usually applied are as follows: Fig. 228. B. To co

RM2CET7XP–Hollyhock rust caused by fungus Puccinia heterospora or P.malvacearum lower leaves of broad leafed plant covered in disease rife hot humid conditions

Horse Chestnut (Aesculus hippocastanum). Leaves infected with Guignardia leaf blotch, (Guignardia aesculi). View from beneath. Stock Photo

RME61T96–Horse Chestnut (Aesculus hippocastanum). Leaves infected with Guignardia leaf blotch, (Guignardia aesculi). View from beneath.

Soybean leaf septoria close-up. A hand holds a soybean leaf to the light Stock Photo

RF2R5AK5B–Soybean leaf septoria close-up. A hand holds a soybean leaf to the light

RF2CDNW6R–Brown spots caused by Guignardia leaf blotch blight fine horse chestnut (Aesculus hippocastanum) trees by the River Thames at Hampton Court historic royal palace at Richmond upon Thames, London, England. The blotch is a non-fatal infection widespread in southern England. The fungus Guignardia aesculi attacks horse chestnut trees from spring onwards, with the blotches most obvious in late summer. There is no effective treatment, but leaf damage is mostly cosmetic and trees seem to suffer no long-term damage.

RF2EKCCAB–Issaquah, Washington, USA. Spaghetti squash plant with blight on the leaves

RF2HA46GD–Common bunt, or stinking smut and covered smut, is a disease of spring and winter wheats caused by Tilletia tritici and laevis.

. The Gardeners' chronicle : a weekly illustrated journal of horticulture and allied subjects . JourtuU of the Roiled HorticulturalHocktii, xxvii., 18113, p. Slit). Diseased jilants shouldbe removed, as they are liable to infect others. Tliereshould afterwards he a change of cro]JS on the ground.Nothing will cure the infected plants. Rose - leaf Bhiek Blotch. — Dr. CooKE describeddiseased leaves, sent from Bicester, as follows : Theblotch on Rose-leaves is a most common disease onKoses of all kinds, and is caused by a fungus named powder of fiowers-of-sulphur, mixed with a little lime.If it do Stock Photo

RM2CDM6HE–. The Gardeners' chronicle : a weekly illustrated journal of horticulture and allied subjects . JourtuU of the Roiled HorticulturalHocktii, xxvii., 18113, p. Slit). Diseased jilants shouldbe removed, as they are liable to infect others. Tliereshould afterwards he a change of cro]JS on the ground.Nothing will cure the infected plants. Rose - leaf Bhiek Blotch. — Dr. CooKE describeddiseased leaves, sent from Bicester, as follows : Theblotch on Rose-leaves is a most common disease onKoses of all kinds, and is caused by a fungus named powder of fiowers-of-sulphur, mixed with a little lime.If it do