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Brown rust gall Stock Photos and Images

Puccinia agrostidis, known as the brown rust gall, a fungal plant pathogen Stock Photo

RFW1KMD1–Puccinia agrostidis, known as the brown rust gall, a fungal plant pathogen

Cedar Apple Rust, fungus on Cedar tree Stock Photo

RMP5GK8X–Cedar Apple Rust, fungus on Cedar tree

The underside of a pear leaf showing fungal infection. The raised brown spots are as a result of the gymnosprangium sabinae fungus. On eruption the sp Stock Photo

RFK2XPY2–The underside of a pear leaf showing fungal infection. The raised brown spots are as a result of the gymnosprangium sabinae fungus. On eruption the sp

A gall of Juniper Hawthorn Rust on a branch of Juniper. Stock Photo

RFT5XJDM–A gall of Juniper Hawthorn Rust on a branch of Juniper.

RF2BR2W95–A gall of Juniper Hawthorn Rust on a branch of Juniper.

Dried Cedar Apple Rust Galls on a White Background with Shadows Stock Photo

RF2EXAF3P–Dried Cedar Apple Rust Galls on a White Background with Shadows

Galls caused by quince rust on a two year old reliable variety of Mayhaw; Mississippi, United States of America Stock Photo

RFEA6T9B–Galls caused by quince rust on a two year old reliable variety of Mayhaw; Mississippi, United States of America

. The British rust fungi (Uredinales) their biology and classification. Rust fungi -- Great Britain. GYMNOSPORANGIUM 305 /Ecidiospores. yEcidia clustered on yellow or orange thick- ened spots on the leaves, fruits, and stems, cylindrical, up to. Fig. 230. G. clavariaeforme. /Ecidia (Rnestelia) on leaf, fruit and branch of Hawthorn (reduced) ; a, peridium x 16. The fruit and gall on branch are shown as they appear when the peridia are old and the mass looks some- what like a honey-comb. •2h mm. high, fimbriate above, at length lacerate to base, pale- brown ; spores verruculose, brownish, about Stock Photo

RMRH2T54–. The British rust fungi (Uredinales) their biology and classification. Rust fungi -- Great Britain. GYMNOSPORANGIUM 305 /Ecidiospores. yEcidia clustered on yellow or orange thick- ened spots on the leaves, fruits, and stems, cylindrical, up to. Fig. 230. G. clavariaeforme. /Ecidia (Rnestelia) on leaf, fruit and branch of Hawthorn (reduced) ; a, peridium x 16. The fruit and gall on branch are shown as they appear when the peridia are old and the mass looks some- what like a honey-comb. •2h mm. high, fimbriate above, at length lacerate to base, pale- brown ; spores verruculose, brownish, about

RMP5GK6H–Cedar Apple Rust, fungus on Cedar tree

RFT5XJDK–A gall of Juniper Hawthorn Rust on a branch of Juniper.

RF2BR2W93–A gall of Juniper Hawthorn Rust on a branch of Juniper.

RF2EXAFAB–Dried Cedar Apple Rust Galls on a White Background with Shadows

. The British rust fungi (Uredinales) their biology and classification. Rust fungi -- Great Britain. Fig. 230. G. clavariaeforme. /Ecidia (Rnestelia) on leaf, fruit and branch of Hawthorn (reduced) ; a, peridium x 16. The fruit and gall on branch are shown as they appear when the peridia are old and the mass looks some- what like a honey-comb. •2h mm. high, fimbriate above, at length lacerate to base, pale- brown ; spores verruculose, brownish, about 28—30 jx ; pores 8—10, scattered. Teleutospores. Spores collect- ed in long, cylindrical, conical, ribbon-like or tongue-shaped masses about 1 cm Stock Photo

RMRH2T4M–. The British rust fungi (Uredinales) their biology and classification. Rust fungi -- Great Britain. Fig. 230. G. clavariaeforme. /Ecidia (Rnestelia) on leaf, fruit and branch of Hawthorn (reduced) ; a, peridium x 16. The fruit and gall on branch are shown as they appear when the peridia are old and the mass looks some- what like a honey-comb. •2h mm. high, fimbriate above, at length lacerate to base, pale- brown ; spores verruculose, brownish, about 28—30 jx ; pores 8—10, scattered. Teleutospores. Spores collect- ed in long, cylindrical, conical, ribbon-like or tongue-shaped masses about 1 cm

RFT5XJCW–A gall of Juniper Hawthorn Rust on a branch of Juniper.

RF2BR2W8X–A gall of Juniper Hawthorn Rust on a branch of Juniper.

. The British rust fungi (Uredinales) their biology and classification. Rust fungi. GYMNOSPORANGIUM 305 JEcidiospores. iEcidia clustered on yellow or orange thick- ened spots on the leaves, fruits, and stems, cylindrical, up to. Fig. 230. G. clavariaeforme, .^cidia (Eoeatelia) on leaf, fruit and branch of Hawthorn (reduced); a, peridium x 16. The fruit and gall on branch are shown as tliey appear when the peridia are old and the mass looks some- what like a honey-comb. 2| mm. high, fimbriate above, at length lacerate to base, pale- brown ; spores verruculose, brownish, about 28—30 fi; pores 8— Stock Photo

RMRE36Y5–. The British rust fungi (Uredinales) their biology and classification. Rust fungi. GYMNOSPORANGIUM 305 JEcidiospores. iEcidia clustered on yellow or orange thick- ened spots on the leaves, fruits, and stems, cylindrical, up to. Fig. 230. G. clavariaeforme, .^cidia (Eoeatelia) on leaf, fruit and branch of Hawthorn (reduced); a, peridium x 16. The fruit and gall on branch are shown as tliey appear when the peridia are old and the mass looks some- what like a honey-comb. 2| mm. high, fimbriate above, at length lacerate to base, pale- brown ; spores verruculose, brownish, about 28—30 fi; pores 8—

RFT5XJ8E–A gall of Juniper Hawthorn Rust on a branch of Juniper.

RF2BR2WTM–A gall of Juniper Hawthorn Rust on a branch of Juniper.

. The British rust fungi (Uredinales), their biology and classification. Uredineae. Fig. 230. G. clavariaeforme. ^Ecidia (Rrestelia) ou leaf, fruit and branch of Hawthorn (reduced) ; a, peridium x 16. The fruit and gall on branch are shown as they appear when the peridia are old and the mass looks some- what like a honey-comb. 2^ mm. high, fimbriate above, at length lacerate to base, brown ; spores verruculose, brownish, about 28—30 fi; 8—-10, scattered. Teleutospores. Spores collect- ed in long, cylindrical, conical, ribbon-like or tongue-shaped masses about 1 cm. long, which are at first fir Stock Photo

RMRH2T42–. The British rust fungi (Uredinales), their biology and classification. Uredineae. Fig. 230. G. clavariaeforme. ^Ecidia (Rrestelia) ou leaf, fruit and branch of Hawthorn (reduced) ; a, peridium x 16. The fruit and gall on branch are shown as they appear when the peridia are old and the mass looks some- what like a honey-comb. 2^ mm. high, fimbriate above, at length lacerate to base, brown ; spores verruculose, brownish, about 28—30 fi; 8—-10, scattered. Teleutospores. Spores collect- ed in long, cylindrical, conical, ribbon-like or tongue-shaped masses about 1 cm. long, which are at first fir

RFT5XJ7D–A gall of Juniper Hawthorn Rust on a branch of Juniper.

RF2BR2W92–A gall of Juniper Hawthorn Rust on a branch of Juniper.

. The British rust fungi (Uredinales), their biology and classification. Uredineae. GYMNOSPORANGIUM 305 zEcidiospores. ^-Ecidia clustered on yellow or orange thick- ened spots on the leaves, fruits, and stems, cylindrical, up to. Fig. 230. G. clavariaeforme. ^Ecidia (Rrestelia) ou leaf, fruit and branch of Hawthorn (reduced) ; a, peridium x 16. The fruit and gall on branch are shown as they appear when the peridia are old and the mass looks some- what like a honey-comb. 2^ mm. high, fimbriate above, at length lacerate to base, brown ; spores verruculose, brownish, about 28—30 fi; 8—-10, scatte Stock Photo

RMRH2T4J–. The British rust fungi (Uredinales), their biology and classification. Uredineae. GYMNOSPORANGIUM 305 zEcidiospores. ^-Ecidia clustered on yellow or orange thick- ened spots on the leaves, fruits, and stems, cylindrical, up to. Fig. 230. G. clavariaeforme. ^Ecidia (Rrestelia) ou leaf, fruit and branch of Hawthorn (reduced) ; a, peridium x 16. The fruit and gall on branch are shown as they appear when the peridia are old and the mass looks some- what like a honey-comb. 2^ mm. high, fimbriate above, at length lacerate to base, brown ; spores verruculose, brownish, about 28—30 fi; 8—-10, scatte

RFT5XJ82–A gall of Juniper Hawthorn Rust on a branch of Juniper.

RF2BR2WT6–A gall of Juniper Hawthorn Rust on a branch of Juniper.

. The British rust fungi (Uredinales) their biology and classification. Rust fungi. Fig. 230. G. clavariaeforme, .^cidia (Eoeatelia) on leaf, fruit and branch of Hawthorn (reduced); a, peridium x 16. The fruit and gall on branch are shown as tliey appear when the peridia are old and the mass looks some- what like a honey-comb. 2| mm. high, fimbriate above, at length lacerate to base, pale- brown ; spores verruculose, brownish, about 28—30 fi; pores 8—10, scattered. Teleutospores. Spores collect- ed in long, cylindrical, conical, ribbon-like or tongue-shaped masses about 1 cm. long; which are a Stock Photo

RMRE36Y0–. The British rust fungi (Uredinales) their biology and classification. Rust fungi. Fig. 230. G. clavariaeforme, .^cidia (Eoeatelia) on leaf, fruit and branch of Hawthorn (reduced); a, peridium x 16. The fruit and gall on branch are shown as tliey appear when the peridia are old and the mass looks some- what like a honey-comb. 2| mm. high, fimbriate above, at length lacerate to base, pale- brown ; spores verruculose, brownish, about 28—30 fi; pores 8—10, scattered. Teleutospores. Spores collect- ed in long, cylindrical, conical, ribbon-like or tongue-shaped masses about 1 cm. long; which are a

RFT5XJ6X–A gall of Juniper Hawthorn Rust on a branch of Juniper.

RF2BR2WT1–A gall of Juniper Hawthorn Rust on a branch of Juniper.

. California plant diseases. Plant diseases. Bulletin 218] CALIFORNIA PLANT DISEASES. 1157 dying back and shooting out anew from axillary buds. The trouble is very similar, if not identical, with that affecting the walnut and also seems to be related to what we have described as the California peach yellows. It is probably the same as the pecan rosette, which occurs in the southeastern states. PLUM. Die-Back, Crown Gall, Sour Sap, Rust. See Almond. Brown Rot. See Apricot POMELO. See Orange. POTATO. Scab (Oospora scabies). Figure 80. The growth of this fungus on the surface of the potato produc Stock Photo

RMRG32XC–. California plant diseases. Plant diseases. Bulletin 218] CALIFORNIA PLANT DISEASES. 1157 dying back and shooting out anew from axillary buds. The trouble is very similar, if not identical, with that affecting the walnut and also seems to be related to what we have described as the California peach yellows. It is probably the same as the pecan rosette, which occurs in the southeastern states. PLUM. Die-Back, Crown Gall, Sour Sap, Rust. See Almond. Brown Rot. See Apricot POMELO. See Orange. POTATO. Scab (Oospora scabies). Figure 80. The growth of this fungus on the surface of the potato produc

RFT5XJC5–A gall of Juniper Hawthorn Rust on a branch of Juniper.

RF2BR2WT9–A gall of Juniper Hawthorn Rust on a branch of Juniper.

. Diseases of economic plants. Plant diseases. Ornamental Plants 411 AZALEA Leaf-spot (Septoria) is common on the leaves. Gall (Exobasidium sps.). — Leaves, flowers, or shoots are en- larged and distorted. Diseased parts should be cut and burned and the plant sprayed with Bordeaux mixture. BALM, SILVER Rust (Puccinia men- thce Pers.). — Some thirty species of the mint family, including peppermint, thyme, catnip, monarda, are affected by this rust. It is recognized by its sori, which are at first cinnamon-colored, later chestnut-brown. Badly diseased leaves curl and die. Infested refuse should Stock Photo

RMRCC68H–. Diseases of economic plants. Plant diseases. Ornamental Plants 411 AZALEA Leaf-spot (Septoria) is common on the leaves. Gall (Exobasidium sps.). — Leaves, flowers, or shoots are en- larged and distorted. Diseased parts should be cut and burned and the plant sprayed with Bordeaux mixture. BALM, SILVER Rust (Puccinia men- thce Pers.). — Some thirty species of the mint family, including peppermint, thyme, catnip, monarda, are affected by this rust. It is recognized by its sori, which are at first cinnamon-colored, later chestnut-brown. Badly diseased leaves curl and die. Infested refuse should

RFT5XJ7F–A gall of Juniper Hawthorn Rust on a branch of Juniper.

RF2BR2W9B–A gall of Juniper Hawthorn Rust on a branch of Juniper.

. Diseases of economic plants. Plant diseases. Ornamental Plants 411 AZALEA Leaf-spot (Septoria) is common on the leaves. Gall {Exohasidium sps.).—Leaves, flowers, or shoots are en- larged and distorted. Diseased parts should be cut and burned and the plant sprayed with Bordeaux mixture. BALM, SILVER Rust (Puccinia men- thce Pers.). — Some thirty species of the mint family, including peppermint, thyme, catnip, monarda, are affected by this rust. It is recognized by its sori, which are at first cinnamon-colored, later chestnut-brown. Badly diseased leaves curl and die. Infested refuse should be Stock Photo

RMRCDPAE–. Diseases of economic plants. Plant diseases. Ornamental Plants 411 AZALEA Leaf-spot (Septoria) is common on the leaves. Gall {Exohasidium sps.).—Leaves, flowers, or shoots are en- larged and distorted. Diseased parts should be cut and burned and the plant sprayed with Bordeaux mixture. BALM, SILVER Rust (Puccinia men- thce Pers.). — Some thirty species of the mint family, including peppermint, thyme, catnip, monarda, are affected by this rust. It is recognized by its sori, which are at first cinnamon-colored, later chestnut-brown. Badly diseased leaves curl and die. Infested refuse should be

RFT5XJEG–A gall of Juniper Hawthorn Rust on a branch of Juniper.

Closeup of Juniper Hawthorn Rust on Cedar. Stock Photo

RF2BR2W87–Closeup of Juniper Hawthorn Rust on Cedar.

$. Diseases of economic plants. Plant diseases. Drupaceous Fruits 79 and other countries. For Crown-gall, Rust, and Yellows, see peach. Armillaria root-rot, see apple. Blight {Bacillus amylovorus) has been rarely reported in the Northwest. Scab is much less common than on the peach. Black-spot (Pseudomonas pnmi) has been noted on the Wragg cherry in Colorado. See peach. PEACH Brown-rot ^^' ^^' ^^ {Sclerotinia cinerea (Bon.) Schr., Mon- ilia), — Probably no other disease is so destructive to. Fig. 40. — Two packages of peaches, one healthy, the other affected with brown-rot. After Scott. peaches Stock Photo$

RMRCDPW1–. Diseases of economic plants. Plant diseases. Drupaceous Fruits 79 and other countries. For Crown-gall, Rust, and Yellows, see peach. Armillaria root-rot, see apple. Blight {Bacillus amylovorus) has been rarely reported in the Northwest. Scab is much less common than on the peach. Black-spot (Pseudomonas pnmi) has been noted on the Wragg cherry in Colorado. See peach. PEACH Brown-rot ^^' ^^' ^^ {Sclerotinia cinerea (Bon.) Schr., Mon- ilia), — Probably no other disease is so destructive to. Fig. 40. — Two packages of peaches, one healthy, the other affected with brown-rot. After Scott. peaches

RFT5XJC6–Closeup of Juniper Hawthorn Rust on Cedar.

RF2BR2W8D–Closeup of Juniper Hawthorn Rust on Cedar.

$. Diseases of economic plants. Plant diseases. Drupaceous Fruits 79 and other countries. For Crown-gall, Rust, and Yellows, see peach. Armillaria root-rot, see apple. Blight {Bacillus amylovorus) has been rarely reported m the Northwest. Scab is much less common than on the peach. Black-spot (Pseudomonas pruni) has been noted on the Wragg cherry in Colorado. See peach. PEACH â Brown-rot ^''^ ^^- ^Â° (Sclerotinia cinerea (Bon.) Schr., Mon- ilia). â Probably no other disease is so destructive to. Two packages of p3ache.s, one healthy, the other affected with brown-rot. After Scott. peaches, plum Stock Photo$

RMRCC6MP–. Diseases of economic plants. Plant diseases. Drupaceous Fruits 79 and other countries. For Crown-gall, Rust, and Yellows, see peach. Armillaria root-rot, see apple. Blight {Bacillus amylovorus) has been rarely reported m the Northwest. Scab is much less common than on the peach. Black-spot (Pseudomonas pruni) has been noted on the Wragg cherry in Colorado. See peach. PEACH â Brown-rot ^''^ ^^- ^Â° (Sclerotinia cinerea (Bon.) Schr., Mon- ilia). â Probably no other disease is so destructive to. Two packages of p3ache.s, one healthy, the other affected with brown-rot. After Scott. peaches, plum