Adam H. Putnam, Commissioner - Richard D. Gaskalla, Director

Bureau of Entomology, Nematology &
Plant Pathology

Plant Pathology Section Circulars

Bureau Chief & Section Administrator:
Dr. Greg Hodges, hodgesg@doacs.state.fl.us
PO Box 147100 Gainesville, FL 32614-7100
352.372.3505

ENPP Home
Pesticide recommendations change over time. Please disregard any and all pesticide controls. Contact your local extension office for current recommendations.

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To request Plant Pathology circulars

No. Title Author(s) Date
1 Diplocarpon Rosae A.P. Martinez June 1962
2 Melanose, Diaporthe Citri H.C. Burnett July 1962
3 Bacterial Blight, Pseudomonas Syringae A.P. Martinez July 1962
4 Angular Leaf Spot of Pittosporum, Cercospora Pittospori E.K. Sobers August 1962
5 Alternaria Leaf Spot of Pittosporum Tobira ALT. (Alternaria SP.) E.K. Sobers September 1962
6 Development of a Fungus Disease A.P. Martinez November 1962
7 Phony Peach, a Virus Disease of Peach, Prunus Persica (L.) Batsch. H.C. Burnett December 1962
8 Winter Injury of Woody Plants C.P. Seymour January 1963
9 Seed Bed Problems A.P. Martinez February 1963
10 Orchid Root Rot, Rhizoctonia Solani Kuehn H.C. Burnett March 1963
11 Cercospora Theae in Florida E.K. Sobers April 1963
12

Leaf Blister of Oak

 C.P. Seymour May 1963
12A Leaf Blister of Oak S.A. Alfieri, Jr. September 1966
13 Protect Rose from Crown Gall A.P. Martinez June 1963
14 Cercospora Leafspot of Clerodendron E.K. Sobers July 1963
15 A Leafspot on St. Johns-Bread H.C. Burnett August 1963
16 Phony Peach in Florida C.P. Seymour September 1963
17 Alternaria Leafspot of Senecio Confusus E.K. Sobers November 1963
18 Leaf Blotch and Fruit Spot of Pomegranate H.C. Burnett December 1963
19 Palm Leafspot A.P. Martinez January 1964
20 Rust, Cerotelium Fici (Butl.) Arth. On Fig, Ficus Carica L. H.C. Burnett February 1964
21 Azalea Gall C.P. Seymour March 1964
22 Cercospora Leafspots of Ligustrum E.K. Sobers April 1964
23 Problems of Saintpaulia A.P. Martinez May 1964
24 Leafspot, Cercospora Odontoglossi Prillieux and Delacrois H.C. Burnett June 1964
25 Testing for Phony Peach Disease C.P. Seymour July 1964
26 Cercospora Leafspot of Bougainvillea E.K. Sobers August 1964
27 Gladiolus Viruses A.P. Martinez September 1964
28 Leafspot, Cercospora Odontoglossi Prillieux and Delacrois H.C. Burnett October 1964
29 Leafspot of Callistemon SPP. E.K. Sobers November 1964
30 Butt Rot of Palms in Florida C.P. Seymour December 1964
31 Spots on Firethorn Berries A.P. Martinez January 1965
32 Snow Mold, Ptychogaster SP. H.C. Burnett February 1965
33 Black Scale of Lily Bulbs E.K. Sobers March 1965
34 Azalea Petal Blight C.P. Seymour April 1965
35 Hosts of Puccinia Iridis in Florida E.K. Sobers May 1965
36 Alternaria Leafspot of Shasta Daisy E.K. Sobers June 1965
37 Cedar Apple Rust A.P. Martinez July 1965
38 Fire Blight of Loquat C.P. Seymour August 1965
39 Souther Blight on Orchids H.C. Burnett September 1965
40 Mushroom Root Rot of Florida Plants A.P. Martinez October 1965
41 Cattleya Blossom Brown Necrotic Streak H.C. Burnett November 1965
42 Corynespora Leaf Spot of Azalea and Hydrangea E.K. Sobers December 1965
43 False Smut of Palms A.P. Martinez February 1966
44 Leafspot, Cercospora Jujubae Chowdhury, on Jujube, Ziziphus Mauritiana Lam. H.C. Burnett March 1966
45 Gray Mold Disease of Ficus S.A. Alfieri, Jr. April 1966
46 Stromatinia Disease of Gladiolus S.A. Alfieri, Jr. May 1966
47 Gray Mold, Botrytis Cinerea Pers. EX. FR., of Blackberries in Florida H.C. Burnett June 1966
48 Ascochyta Disease of Chrysanthemum S.A. Alfieri, Jr. July 1966
49 Bacterial Leaf Blight of Gladiolus C. Wehlburg August 1966
50 Brown Patch of Turf Grasses A.P. Martinez October 1966
51 Scab and Neck Rot of Gladiolus C. Wehlburg November 1966
52 Bacterial Leaf Spot of Poinsettia C. Wehlburg December 1966
53 Stem Bleeding Disease of Coconut Palm, Cocos Nucifera L. S.A. Alfieri, Jr. January 1967
54 Gardenia Canker S.A. Alfieri, Jr. February 1967
55 Peach Leaf Curl, Taphrina Deformans (BERK.) TUL. of Peach, Prunus Persica (L.) Batsch H.C. Burnett March 1967
56 Orchid Mericlones Found infected with Cymbidium Mosaic Virus H.C. Burnett April 1967
57 Bacterial Leaf Spot of Chrysanthemum C. Wehlburg May 1967
58 Peach Rosette S.A. Alfieri, Jr. June 1967
59 White Rust of Chrysanthemum C.P. Seymour July 1967
59A White Rust of Chrysanthemum C.P. Seymour December 1977
60 Silky Threadblight of Pittosporum A.P. Martinez August 1967
61 Rose Mosaic in Florida C.P. Seymour September 1967
62 Bacterial Leaf Spot of Begonia C. Wehlburg October 1967
63 Leaf Spot of Dracaena C. Wehlburg November 1967
64 Fig Mosaic S.A. Alfieri, Jr. December 1967
65 Poinsettia Scab C. Wehlburg January 1968
66 Downy Mildew of Rose Caused by Peronospora Sparsa Berk. S.A. Alfieri, Jr. February 1968
67 Angular Leafspot of Azalea C.P. Seymour March 1968
68 Snapdragon Rust H.C. Burnett April 1968
69 Rust, Tranzschelia Discolor (FCKL.) Tranz. & Litv., on Peach, Prunus Persica (L.) Batsch H.C. Burnett May 1968
70 Leafspot of Gardania C. Wehlburg June 1968
71 Limb Blight Disease Caused by Corticium Salmonicolor B. & Br. S.A. Alfieri, Jr. July 1968
72 Cercospora Leaf Spot of Willow J.W. Miller August 1968
73 Septoria Leaf Spot of Chrysanthemum S.A. Alfieri, Jr. September 1968
74 Leaf Spot of Canna Lily C. Wehlburg October 1968
75 Edema of Peperomia S.A. Alfieri, Jr. November 1968
76 Black Rot of Grape J.W. Miller December 1968
77 Leaf Spot and Tip Burn of Philodendron Oxycardium C. Wehlburg January 1969
78 The Green Scurf Disease Caused by Cephaleuros Virescens Kunze S.A. Alfieri, Jr. February 1969
79 Two Leaf Spot Diseases of Spanish Bayonet C. Wehlburg March 1969
80 Alternaria Leaf Spot of Schefflera J.W. Miller April 1969
81 Bacterial Blight of Chrysanthemum C. Wehlburg May 1969
82 Entomosporium Leaf Spot of Loquat S.A. Alfieri, Jr. June 1969
83 Powdery Mildew of Crape Myrtle S.A. Alfieri, Jr. July 1969
84 Rosette or Double Blossom of Blackberries, Rubus SP. W.C. Burnett August 1969
85 Mimosa Wilt S.A. Alfieri, Jr. September 1969
86 Two Leaf Spot Disease of Zinnia C. Wehlburg October 1969
87 Cephalosporium Leaf Spot of Syngonium S.A. Alfieri, Jr. November 1969
88 Stem and Graft Canker of Rose S.A. Alfieri, Jr. December 1969
89 Brown Rot of Stone Fruits S.A. Alfieri, Jr. January 1970
90 Leaf Blight of Grape in Florida S.A. Alfieri, Jr. February 1970
91 Bacterial Leaf Blight of Syngonium C. Wehlburg March 1970
92 Brown Leaf Necrosis of Mahonia S.A. Alfieri, Jr. April 1970
93 St. Augustine Decline (SAD) C.P. Seymour April 1970
94 Helminthosporium Leaf Blights of Sweet Corn C. Wehlburg May 1970
95 Bacterial Leaf Spot of English Ivy J.W. Miller June 1970
96 Crown Rot of Gloxinia S.A. Alfieri, Jr. July 1970
97 Bougainvillea Blight S.A. Alfieri, Jr. August 1970
98 Spot Anthracnose of Flowering Dogwood S.A. Alfieri, Jr. September 1970
99 Juniper Blight W.H. Ridings October 1970
100 Cercospora Leaf Spot of Pepper S.A. Alfieri, Jr. November 1970
101 Bacterial Leaf Spot of Ixora J.W. Miller December 1970
102 Dactylaria Leaf Spot of Philodendron Oxycardium Schott S.A. Alfieri, Jr. & J.F. Knauss January 1971
103 Tan Leaf Spot of Rhoeo Discolor J.W. Miller February 1971
104 Southern Blight of Schefflera S.A. Alfieri, Jr. & J.F. Knauss March 1971
105 Purple Eye Leaf Spot on Maple C.P. Seymour April 1971
106 Sphaeropsis Knot of Citrus in Florida H.C. Burnett May 1971
107 Blackspot of Rose J.J. McRitchie June 1971
108 Flower Blight of Camellia S.A. Alfieri, Jr. July 1971
109 Fire Blight of Pyracantha J.W. Miller August 1971
110 Gray Leaf Spot of St. Augustine Grass J.J. McRitchie September 1971
111 Cercospora and Septoria Leaf Spot of Flowering Dogwood W.H. Ridings October 1971
112 Corn Smut H.C. Burnett November 1971
113 Zonate Leaf Spot in Florida C.P. Seymour & W.J. French December 1971
114 Cylindrocladium Leaf Spot of Leather Leaf Fern J.W. Miller January 1972
115 Phytophthora Bud Rot of Coconut Palm W.H. Ridings February 1972
116 Lime Anthracnose H.C. Burnett March 1972
117 Cylindrocladium Disease of Azaleas in Florida C.P. Seymour & S.A. Alfieri, Jr. April 1972
118 Fusiform Rust of Pine J.J. McRitchie May 1972
119 Botrytis Blight of Geranium J.W. Miller June 1972
120 Tomato Leaf Blight W.H. Ridings & S.A. Alfieri, Jr. July 1972
121 Rhizoctonia Solani, the Cause of Aerial Blight of Natal-Plum Carissa Grandiflora, in Florida S.A. Alfieri, Jr., C.P. Seymour, & J.C. Denmark August 1972
122 Cylindrocladium Leaf Spot of Magnolia S.A. Alfieri, Jr. & A.E. Graham September 1972
123 Dieback and Canker in Camellia J.J. McRitchie October 1972
124 Leaf Rot of Philodendron Selloum Caused by Erwinia Chrysanthemi J.W. Miller November 1972
125 Powdery Mildew of Rose W.H. Ridings December 1972
126 The Milk Weed Vine and a Newly Observed Cercospora Leaf Spot H.C. Burnett January 1973
127 Downy Mildew of Cabbage J.J. McRitchie February 1973
128 Early Blight of Tomato Seedling C.P. Seymour & J.J. McRitchie March 1973
129 Bacterial Spot of Tomato X. Sun, M.C. Nielsen and J.W. Miller April 2002
130 Actinopelte Leaf Spot of Oak W.H. Ridings May 1973
131 Colletotrichum Leaf Spot of English Ivy W.H. Ridings & S.A. Alfieri, Jr. June 1973
132 Rust, Sphenospora Kevorkianii Linder, on Epidendrum Tampense Orchids in Florida H.C. Burnett July 1973
133 Verticillium Wilt of Chrysanthemum J.J. McRitchie August 1973
134 Bacterial Leaf Spot of Crown-of-Thorns J.W. Miller September 1973
135 Phytophthora Root Rot and Wilt of Azalea W.H. Ridings & J.J. McRitchie October 1973
136 Necrotic Fleck of Easter Lily C.P. Seymour November 1973
137 Cercospora Leaf & Fruit Spot of Avocado H.C. Burnett December 1973
138 Cylindrocladium Blight of Silver Buttonwood J.J. McRitchie January 1974
139 Bacterial Blight of Gerbera Daisy J.W. Miller & J.F. Knauss February 1974
140 Dasheen Mosaic Virus of Foliage Aroids F.W. Zettler, W.H. Ridings, & R.D. Hartman March 1974
141 Avocado Scab H.C. Burnett April 1974
142 Cercospora Leaf Mold of Tomato in Florida S.A. Alfieri, Jr., & C.H. Blazquez May 1974
143 Phyllosticta Leaf Spot of Dracena C.P. Seymour June 1974
144 Aphanomyces Blight of Amazon Sword Plants F.W. Zettler & W.H. Ridings July 1974
145 Cercospora Leaf Spot of Azalea J.W. Miller August 1974
146 Powdery Mildew of Avocado H.C. Burnett September 1974
147 Milkweed Vine, A Growing Pest of Citrus W.H. Ridings, H.C. Burnett, & C.P. Seymour October 1974
148 Phytophthora Leaf Spot of Philodendron J.J. McRitchie & W.H. Ridings November 1974
149 Bacterial Blight of African Violet J.W. Miller & J.F. Knauss December 1974
150 Sephaeropsis Gall of Bottlebrush W.H. Ridings & R.B. Marlatt January 1975
151 Cercospora Leaf Spot of Eucalyptus S.A. Alfieri, Jr., & J.J. McRitchie February 1975
152 Cytospora Canker of Peach S.A. Alfieri, Jr., & C.P. Seymour March 1975
153 Euonymus Scab J.J. McRitchie April 1975
154 Corynespora Leaf Spot of Ligustrum Sinensis J.W. Miller & S.A. Alfieri, Jr. May 1975
155 Needle Necrosis of Norfolk Island Pine W.H. Ridings June 1975
156 Powdery Mildew of Mango H.C. Burnett July 1975
157 Herbicide Uses and Problems C.P. Seymour August 1975
158 Rhizoctonia Blight of Boston Fern J.J. McRitchie September 1975
159 Bacterial Leaf Spot of Zinnia J.W. Miller October 1975
160 Galling of Ardisia Seedlings W.H. Ridings, S.F. Fazli, & J.W. Miller November 1975
161 Sun-Blotch of Avocado in Florida C.P. Seymour December 1975
162 Red Leaf Spot of Amaryllis J.J. McRitchie January 1976
163 Bacterial Leaf Spot of Saucer Magnollia J.W. Miller February 1976
164 Caladium Root Rot Caused by Pythium Myriotylum W.H. Ridings & R.D. Hartman March 1976
165 Lichens S.A. Alfieri, Jr. April 1976
166 Pitch Canker of Pine C.P. Seymour & J.J. McRitchie May 1976
167 Phyllosticta Leaf Spot of Southern Magnolia S.A. Alfieri, Jr., & J.J. McRitchie June 1976
168 Pelargonium Rust J.J. McRitchie July 1976
169 Bacterial Leaf Stripe of Bird-Of-Paradise J.W. Miller August 1976
170 Tar Spot of Ficus W.H. Ridings September 1976
171 Cercospora Leaf Spot of Crape Myrtle, Lagerstroemia Indica S.A. Alfieri, Jr. October 1976
172 Avocado Root Rot C.L. Schoulties & R.T. McMillan November 1976
173 Stem and Frond Necrosis of Palm J.J. McRitchie December 1976
174 Christmas Cactus: Basal Stem Root Rot S.A. Alfieri, Jr., & J.W. Miller January 1977
175 Crown Rot of Peperomia C.L. Schoulties February 1977
176 Sphaeropsis Witches' Broom of Holly H.N. Miller, J.J. McRitchie, & C.P. Seymour March-April 1977
177 Rust of Southern Milkweed Vine H.C. Burnett May 1977
178 Pythium Root Rot of Pothos W.H. Ridings & J.F. Knauss June 1977
179 Soybean Rust S.A. Alfieri, Jr., & C.P. Seymour July 1977
180 Citrus Canker J.W. Miller, C.P. Seymour, & H.C. Burnett August 1977
181 Heart, Butt, and Root Rot of Redbud, Cercis Canadensis Caused by Ganoderma Curtisii S.A. Alfieri, Jr. September 1977
182 Biological Control: Plant Pathogens C.L. Schoulties October 1977
183 Tar Spot of Maple S.A. Alfieri, Jr. November 1977
184 Distortion Ringspot of Papaya W.H. Ridings, F.W. Zettler, & R.A. Conover January 1978
185 Sugercane Smut S.A. Alfieri, Jr. February 1978
186 Ring Rot of Potato J.W. Miller March 1978
187 Dasheen Mosaic Virus of Philodendrons Scandens SubSp. Oxycardium F.W. Zettler, G.C. Wisler, & J.J. McRitchie April 1978
188 Black Spot of Banana H.C. Burnett May 1978
189 Black Spot of Elm S.A. Alfieri, Jr. June 1978
190 Pierce's Disease of the Grapevine C.L. Schoulties & D.L. Hopkins July 1978
191 A Stem Rot of Cacti W.H. Ridings August 1978
192 Bacterial Blight of Geraniums J.W. Miller & R.J. Virgona September 1978
193 Downy Mildew of Grape J.J. McRitchie October 1978
194 Cercospora Leaf Spot of Pomegranate S.A. Alfieri, Jr. November 1978
195 Sugercane Rust in the Western Hemisphere C.P. Seymour, J.W. Miller, & C.L. Schoulties December 1978
196 Pecan Scab C.L. Schoulties, C.B. Lieberman, & W.J. French January 1979
197 Cephalosporium Wilt of Persimmon J.J. McRitchie February 1979
198 Strawberry Anthracnose and Crown Rot Caused by Colletotrichum Fragariae W.H. Ridings & C.M. Howard March 1979
199 Black Rot of Crucifers J.W. Miller April 1979
200 Annosus Root Rot E.L. Barnard May 1979
201 Woe-Vine, A Parasitic Weed H.C. Burnett June 1979
202 Southern Blight of Peperomia S.A. Alfieri, Jr. & J.F Knauss

July 1979
203 Magnesium Deficiency of Pittosporum and Other Crops C.P. Seymor August 1979
204 Black Root Rot of Japanese Holly R.C. Lambe & W.H. Ridings September 1979
205 Downy Mildew of Sugercane S.A. Alfieri, Jr. October 1979
206 Entomosporium Leaf Spot of Photinia R.C. Lambe & W.H. Ridings November 1979
207 Rhizoctonia Blight of Longleaf Pine Seedlings E.L. Barnard December 1979
208 Sooty Molds C.L. Schoulties January 1980
209 A Gall- and Canker-Causing Fungus, Kutilakesa Pironii S.A. Alfieri, Jr. February 1980
210 Septoria Leaf Spot of Tomato C.P. Seymor & W.H. Ridings March 1980
211 Carnation Etched Ring J.J. McRitchie April 1980
212 Verticillium Disease of Cultivated Mushrooms H.C. Burnett May 1980
213 Carnation Necrotic Fleck J.J. McRitchie & G.C. Wisler June 1980
214 Phytophthora Root Rot of Sand Pine E.L. Barnard July 1980
215 Bidens Mottle Virus of Fittonia Verschaffeltii D.B. Zurawski, D.E. Purcifull, & J.J. McRitchie August 1980
216 Bacterial Stem and Leaf Rot of Dieffenbachia J.W. Miller September 1980
217 Cercospora Leaf Spot of Viburnum S.A. Alfieri, Jr September 1980
218 Root and Petiole Rot of Spathiphyllum Caused by Cylindrocladium Spathiphylli C.L. Schoulties, A.R. Chase, & N.E. El-Gholl January 1983
219 Basal Cankers of Eucalyptus SPP.. E.L. Barnard & J.T. English December 1980
220 Fusarium Blight and Leaf Spot of Christmas Cactus J.W. Miller January 1980
221 Soluble Salts Injury to Plants C.L. Schoulties & C.P. Seymor February 1981
222 Cercospora Leaf Spot of Honeysuckle S.A. Alfieri, Jr. March 1981
223 Tobacco Mosaic Virus J.J. McRitchie April 1981
224 A Rust Tillandsia New to the United States J.J. McRitchie & H.C. Burnett May 1981
225 Edema C.L. Schoulties & J.J. McRitchie June 1981
226 Southern Cone Rust E.L. Barnard & J.T. English July 1981
227 Strigula Fries, The Plant Parasitic Lichen T.S. Schubert August 1981
228 Sweet Orange Scab J.W. Miller, C.P. Seymor, & E.P. DuCharme September 1981
229 Fusarium Wilt of Citrus in Florida C. L. Schoulties, L.W. Timmer, & N.E. El-Gholl October 1981
230 Ringspot of Scaevola J.J. McRitchie & W.C. Wisler November 1981
231 Hispidus Cankers of Hardwoods E.L. Barnard December 1981
232 Cercospora Leaf Spot of the Chinese Tallow Tree S.A. Alfieri, Jr. January 1982
233 Alternaria Brown Spot of Dancy Tangerine H.C. Burnett February 1982
234 Sclerotinia Stem Rot of Chrysanthemum J.J. McRitchie March 1982
235 Cylindrocarpon Galls on Red Mangrove E.L. Barnard & T.E. Freeman April 1982
236 Tar Spot on Holly N.E. El-Gholl, C.L. Schoulties, & S.A. Alfieri, Jr. May 1982
237 Fusarium Wilt of Tomato J.P. Jones, J.B. Jones, & J.W. Miller June 1982
238 Leaf Scorch of Strawberry T.S. Schubert July 1982
239 Black Spot of Citrus, Guignardia Citricarpa (Phyllostictina Citricarpa) C.P. Seymour & H.C. Burnett August 1982
240 St. Augustine Grass Decline J.J. McRitchie September 1982
241 Copper Deficiency of Plants T.S. Schubert October 1982
242 Dothichiza Leaf Spot of Blueberries S.A. Alfieri, Jr. November 1982
243 Pith Necrosis of Tomato J.B. Jones, J.P. Jones, & J.W. Miller December 1982
244 Citrus Greasy Spot H.C. Burnett & J.O. Whiteside February 1983
245 Botrytis Blight or Gray Mold J.J. McRitchie & T.S. Schubert March 1983
246 Pseudocercospora Leaf Spot of Yellow or Primrose Jasmine S.A. Alfieri, Jr. April 1983
247 Ash Rust E.L. Barnard May 1983
248 Bitter Rot of Apple T.S. Schubert June 1983
249 Stem Rot, Cutting Rot, and Leaf Spot of Dieffenbachia Maculata 'Perfection' caused by Fusarium Solani J.W. Miller, A.R. Chase, & N.E. El-Gholl July 1983
250 Phyllosticta Leaf Spot of Virginia Creeper N.E. El-Gholl, S.A. Alfieri, Jr., & C.L. Schoulties August 1983
251 Three Viruses of Nandina Domestica: Nandina Mosaic, Nandina Stem Pitting, and Cucumber Mosaic G.C. Wisler & F.W. Zettler September 1983
252 Southern Blight of Ajuga J.J. McRitchie October 1983
253 Lignotubers of Eucalyptus E.L. Barnard & K.R. Langdon November 1983
254 Phytophthora Crown Rot of Petunia and Snapdragon T.S. Schubert December 1983
255 Tar Spot of Leucothoe N.E. El-Gholl, J.W. Kimbrough, & T.S. Schubert January 1984
256 Leaf Spot and Blight of Bird's Nest Fern Caused by Pseudomonas Gladioli J.W. Miller, A.R. Chase, & J.B. Jones February 1984
257 Sulfur Dioxide Injury to Plants T.S. Schubert March 1984
258 Guignardia Leaf Spot of Ascocentrum, Ascocenda, and Species and Hybrids of Vanda Orchids H.C. Burnett April 1984
259 Zucchini Yellow Mosaic Virus T.S. Schubert & J.J. McRitchie May 1984
260 Cylindrocladium Stem Canker of Eucalyptus Seedling E.L. Barnard June 1984
261 Peanut Stripe Virus C.L. Schoulties July 1984
262 Bidens Mottle Virus of Bedding Plants G.C. Wisler August 1984
263 Tar Spot of Mahogany N.E. El-Gholl & T.S. Schubert September 1984
264 Blackleg of Geranium R.M. Leahy & T.S. Schubert October 1984
265 Anthracnose of Acacia spp. E.L. Barnard November 1984
266 Stemphylium Leaf Spot of Kalanchoe J.J. McRitchie December 1984
267 Dry Rot of Potato Tubers N.E. El-Gholl, T.S. Schubert, S.A. Alfieri, Jr., & A.E. Graham January 1985
268 Septoria Leaf Spot of Phlox T.S. Schubert & J.J. McRitchie February 1985
269 Twig Blight of Juniper J.J. McRitchie & T.S. Schubert March 1985
270 Cercospora Liquidambaris Leaf Spot of Sweetgum R.M. Leahy April 1985
271 Puccinia Psidii on Allspice and Related Plants H.C. Burnett & T.S. Schubert May 1985
272 Black Rot of Apple N.E. El-Gholl & S.A. Alfieri, Jr. June 1985
273 Crown Gall of Chrysanthemum J.W. Miller July 1985
274 Cercospora Leaf Spot of Climbing Fig S.A. Alfieri, Jr. August 1985
275 Lettuce Mosaic Virus Gail C. Wisler September 1985
276 Sycamore Leaf Scorch E.L. Barnard October 1985
277 Alternaria Blight of Poinsettia A.W. Engelhard & T.S. Schubert November 1985
278 Cylindrocladium Leaf Spot on Species of Ilex R.M. Leahy December 1985
279 Nectriella (Kutilakesa) Pironii, a Pathogen of Ficus Carica S.A. Alfieri, Jr., M.L. Cambell, & N.E. El-Gholl January 1986
280 The White Rusts, Albugo spp. J.J. McRitchie February 1986
281 Leaf Spot of Pellionia and Pilea spp. Caused by a Pathovar of Xanthomonas Campestris J.W. Miller & A.R. Chase March 1986
282 Septoria Leaf Spot of Wax Myrtle T.S. Schubert April 1986
283 Alternaria Leaf Blight of Brassaia and Related Hosts R.M. Leahy May 1986
284 Verticillium Wilt (Race 2) of Tomato J. P. Jones & A.J. Overman June 1986
285 Cercospora Leaf Spot of Petunia S.A. Alfieri & T.S. Schubert July 1986
286 Sporotrichosis N.E. El-Gholl, L. Ajello, & R.P. Esser August 1986
287 Tomato Spotted Wilt J.J. McRitchie September 1986
288 Leaf Rust of Blueberry R.M. Leahy October 1986
289 Yellow Spot Disease of Sugarcane T.S. Schubert & M.S. Trey November 1986
290 Charcoal Root Rot of Pines E.L. Barnard & S.P. Gilly December 1986
291 Leaf and Stem Disease of Torreya Taxifolia in Florida S.A. Alfieri, Jr., C.L. Schoulties, K.R. Langdon, & N.E. El-Gholl January 1987
292 Ring Spot on African Violet J.J. McRitchie February 1987
293 Leafspot and Blight of Basil Caused by Pseudomonas Cichorii J.W. Miller & S.M. Burgess March 1987
294 Tar Spot of Live Oak N.E. El-Gholl & T.S. Schubert April 1987
295 Entomosporium Leaf Spot of Rhaphiolepis sp. T.S. Schubert & L.G. Brown May 1987
296 Cyclindrosporium Leaf Spot of Spiraea R.M. Leahy June 1987
297 Tobacco Etch Virus L.L. Breman July 1987
298 Boron Deficiency in Chrysanthemums J.J. McRitchie August 1987
299 Fibrous Root Rot and Foot Rot of Citrus N.E. El-Gholl & C.L. Schoulties September 1987
300 Leaf Spot and Blight of Bird-of-Paradise Caused by Xanthomonas Campestris J.W. Miller & A.R. Chase October 1987
301 Manganese Deficiency of Palms J.J. McRitchie November 1987
302 Pitch Canker of Southern Pines E.L. Barnard & G.M. Blakeslee December 1987
303 Phytophthora Root & Crown Rot of Radermachera Sinica R. Leahy January 1988
304 Echidnodes Leaf Spot of Tillandsia Utriculata N.E. El-Gholl, T.S. Schubert, & J.W. Kimbrough February 1988
305 Crown Gall of Woody Plants in Florida J.W. Miller March 1988
306 Stromatinia Dry Rot of Gladiolus J.J. McRitchie & R.M. Leahy April 1988
307 Basic Concepts of Plant Disease and How to Collect a Sample for Disease Diagnosis T.S. Schubert & L.L. Breman May 1988
308 Stigmina Leaf Spot on Palm R.M. Leahy June 1988
309 Peach Scab J.J. McRitchie July 1988
310 Septoria Leaf Spot of Sapodilla N.E. El-Gholl & T.S. Schubert August 1988
311 Citrus Tristeza Virus and Its Vectors in Florida L.G. Brown, H.A. Denmark, & R.K. Yokomi September 1988
312 Bacterial Leaf Blight of Schefflera Arboricola Caused by Pseudomonas Cichorii J.W. Miller October 1988
313 Tomato Spotted Wilt Virus in Ornamentals L.G. Brown November 1988
314 Phytophthora Root Rot of Sand Pine E.L. Barnard December 1988
315 Cylindrocladium Leafspot on Palms R.M. Leahy January 1989
316 Septoria Leaf Spot of Sweet Gum N.E. El-Gholl February 1989
317 Ovulinia Petal Blight of Azalea J.J. McRitchie March 1989
318 Soft Rot Epipremnum Aureum Caused by Erwinia Carotovora pv. Carotovora J.J. Miller April 1989
319 Frangipani Rust J.J. McRitchie May 1989
320 Maize Dwarf Mosaic Virus J.H. Tsai & L.G. Brown June 1989
321 Phytophthora Blight of Catharanthus Roseus T.S. Schubert & R.M. Leahy July 1989
322 Tomato Mosaic Virus L.L. Breman August 1989
323 Cercospora Leaf Spot of New Zealand Flax T.S. Schubert & N.E. El-Gholl September 1989
324 Veinal Necrosis of Fittonia Caused by a Pathovar of Xanthomonas Campestris J.W. Miller & J.H. Blake October 1989
325 Botryosphaeria Cankers and Dieback T.J. Proffer November 1989
326 Nectria Cankers of Swietenia spp. E.L. Barnard December 1989
327 Black Spot of Rose (Rosa sp.) R.M. Leahy January 1990
328 Corynespora Leaf Spot of Tabebuia N.E. El-Gholl & T.S. Schubert February 1990
329 Philoeospora Leaf Spot of Mulberry J.J. McRitchie March 1990
330 Bacterial Brown Spot of Orchid Caused by Pseudomonas Cattleyae J.W. Miller April 1990
331 Dahlia Mosaic Virus L.L. Breman May 1990
332 Gray Spot Edema of Rhaphiolepis S.A. Alfieri, Jr., T.S. Schubert, & N.E. El-Gholl June 1990
333 Epiphytic Bromeliads on Florida Trees T.S. Schubert July 1990
334 Dodder, a Parasitic Plant Pest J.J. McRitchie August 1990
335 Lettuce infectious Yellows Virus L.G. Brown, J.K. Brown & J.H. Tsai September 1990
336 Bacterial Blight of Syngonium Podophyllum Caused by a Pathovar of Xanthomonas Campestris J.W. Miller October 1990
337 Tubakia Leaf Spot T.J. Proffer November 1990
338 Groundline Heat Lesions on Tree Seedlings E.L. Barnard December 1990
339 Fungi Posing Occupational Hazards in Agricultural Environments N.E. El-Gholl, H. Baer & T.S. Schubert January 1991
340 Septoria Leaf Spot of Blueberry S.A. Alfieri, Jr. February 1991
341 Bacterial Blight of Swedish Ivy Caused by Pseudomonas Cichorii J.W. Miller March 1991
342 Phyllosticta Leaf Spot of Chinese Wisteria S.A. Alfieri, Jr. April 1991
343 Bacterial Leaf Spot of Bougainvillea S.E. Walker May 1991
344 Pseudo-Curley Top of Tomato J.H. Tsai & L.G. Brown June 1991
345 Bacterial Leaf Spot of Calathea spp. R.M. Leahy July 1991
346 The Felt Fungus, Septobasidium J.J. McRitchie August 1991
347 Hail Damage to Plants T.S. Schubert September 1991
348 Septoria Leaf Spot of Red Maple S.A. Alfieri, Jr. October 1991
349 Leaf Necrosis of Zamia Caused by Mycoleptodiscus indicus N.E. El-Gholl & S.A. Alfieri, Jr. November 1991
350 Fusarium Wilt of Waxmyrtle E.L. Barnard & E.C. Ash, III December 1991
351 Stubborn Disease of Citrus L.G. Brown Jan-Feb 1992
352 Alternaria Leaf Spot of Thunbergia R.M. Leahy Mar-Apr 1992
353 Manganese Toxicity of Plants in Florida T.S. Schubert May-Jun 1992
354 Magnesium Deficiency of Foliage Plants J.J. McRitchie Jul-Aug 1992
355 Bacterial Blight of Fishtail Palm Caused by Pseudomonas Avenae J.W. Miller Sep-Oct 1992
356 Phyllosticta Leaf Spot of Fringe Tree, Chionanthus Virginicus S.A. Alfieri, Jr. Nov-Dec 1992
357 Inonotus Rickii (Anamorph: Ptychogaster Cubensis); A Wood-Decaying Fungus of Importance to Florida Hardwoods E.L. Barnard Jan-Feb 1993
358 Pseudocercospora Leaf Spot of Feijoa N.E. El-Gholl, T.S. Schubert, & S.A. Alfieri, Jr. Mar-Apr 1993
359 Phytophthora Leaf Blight of Flowering Dogwood, Cornus Florida L. S.A. Alfieri, Jr. & N.E. El-Gholl May-Jun 1993
360 Tuckahoes J.J. McRitchie Jul-Aug 1993
361 Phytophthora basal Canker of Red Maple E.L. Barnard & D.J. Mitchell Sep-Oct 1993
362 Phytophthora Fruit Rot of Fig, Ficus Carica L. S.A. Alfieri, Jr. & N.E. El-Gholl Nov-Dec 1993
363 Maize Stripe Tenuivirus J.H. Tsai & L.G. Brown Jan-Feb 1994
364 Cylindrocladium Root and Crown Rot of Roses R.M. Leahy Mar-Apr 1994
365 Colletotrichum Leaf and Fruit Spot Fig, Ficus Carica L. N.E. El-Gholl & S.A. Alfieri, Jr. May-Jun 1994
366 Tomato Yellow Leaf Curl Geminivirus L.G. Brown & G.W. Simone Jul-Aug 1994
367 Soft Rot Dracaena Deremensis 'Janet Craig' caused by Erwinia Carotovora ssp. Carotovora J.W. Miller Sep-Oct 1994
368 Powdery Mildew of Flowering Dogwood J.J. McRitchie Nov-Dec 1994
369 Leptographium Root Infections of Pines in Florida E.L. Barnard & J.R. Meeker Jan-Feb 1995
370 Cristulariella Leaf Spot on Florida Ornamentals R.M. Leahy Mar-Apr 1995
371 Sphaerobolus Stellatus on Foliage Ornamentals J.J. McRitchie May-Jun 1995
372 Anthracnose of Leatherleaf Fern R.M. Leahy, T.S. Schubert, J. Strandberg, B. Stamps, & D. Norman Jul-Aug 1995
373 Corn Stunt Spiroplasma J.H. Tsai & J.W. Miller Sep-Oct 1995
374 Rhizoctonia Leaf Spot of Rhaphiolepis T.S. Schubert & N.E. El-Gholl Nov-Dec 1995
375 Tubakia Leaf Spot of Chestnut N.E. El-Gholl, T.S. Schubert, & M.E. Peacock Jan-Feb 1996
376 Daylily Leaf Streak R.M. Leahy & T.S. Schubert Mar-Apr 1996
377 Bacterial Citrus Canker T.S. Schubert & J.W. Miller Revised
Jan-2003
378 Hibiscus Rust, Kuehneola Malvicola J.J. McRitchie Jul-Aug 1996
379 Introduction to Citrus Germplasm into Florida L.G. Brown & L.L. Breman Sep-Oct 1996
380 Black-Senna [Seymeria Cassioides (J.J. Gmel) Blake]: A Root Parasite of Importance to Forestry in Florida E.L. Barnard & N.C. Coile Nov-Dec 1996
381 Assessing Plant Problems in Cropping systems: A Systematic Approach S.E. Walker & T.S. Schubert Jan-Feb 1997
382 Papaya Mosaic Potexvirus in Portulaca spp. L.L. Breman Mar-Apr 1997
383 Xanthomonas Leaf spot of Photinia J.W. Miller May-Jun 1997
384 Dasheen Mosaic Potyvirus of Edible and Ornamental Aroids M.S. Elliot, F.W. Zettler & L.G. Brown Jul-Aug 1997
385 Black Cherry Rust N.E. El-Gholl & T.S. Schubert Sep-Oct 1997
386 Anthracnose of Osmanthus Fragrans J.J. McRitchie Nov-Dec 1997
387 Black Root Rot of Pansies R.M. Leahy Jan-Feb 1998
388 Needlecasts of Pines in Florida E.L. Barnard & E.C. Ash III Mar-Apr 1998
389 Cylindrocladium Leaf Spot of Callistemon N.E. El-Gholl, T.S. Schubert, & S.E. Walker May-Jun 1998
390 Spot Anthracnose of Wax Myrtle J.J. McRitchie & R.M. Leahy Jul-Aug 1998
391 Xanthomonas Leaf spot of Croton J.W. Miller Sep-Oct 1998
392 Leaf and Crown Rot of Liriope muscari Robert M. Leahy & David A. Davidson Nov-Dec 1999
393 Exserohilum Leaf Spot on Bromeliads Robert M. Leahy May-Apr 1999
394 Cercospera Leaf Spot of Fig T.S. Schubert, N.E. El-Gholl & S.A. Alfieri, Jr. May-Jun 1999
395 Peanut Stunt Virus Infecting Perennial Peanuts in FL and GA Carlye Baker, Ann Blount & Ken Quesenberry July-Aug 1999
396 A Strain of Papaya Mosaic Potexvirus in Scutellaria Lisa L. Breman Sept-Oct 1999
397

Cercosporidium Blight of Leyland Cypress and Related Conifers

 Robert M. Leahy Jan-Feb 2000
398 Annosum Root Rot of Pines in Florida E. L. Barnard Nov-Dec 1999
399 Phaeoramularia Leaf Spot of Saururus N. E. El-Gholl, S. E. Walker & T. S. Schubert March-Apr 2000
400 Peppers, Tomatoes and Tobamoviruses Carlye Baker & Scott Adkins May-June 2000
401 Phytophthora Blight of Pothos Robert M. Leahy 2006
402 "Chestnut Blight" of Chinkapin in Florida E. L. Barnard Sept-Oct 2000
403 Inonotus Root and Butt Rot of Pines in Florida E. L. Barnard Nov-
Dec 2000
404 Cypress Canker of Leyland Cypress in Florida E. L. Barnard & Robert M. Leahy April 2004
405 Phytophthora Basal Cankers of Oaks in Florida E. L. Barnard July 2006
406 White Phalaenopsis Ringspots – Mystery Solved Carlye Baker, David Davison and Carol Scoates May/June 2007
407 Squash Vein Yellowing Virus, Causal Agent of Watermelon Vine Decline in Florida Carlye Baker, Susan Webb and Scott Adkins June/July 2008

To request Plant Pathology circulars, please email J. Mattes mattesj@doacs.state.fl.us

or mail request to:
Plant Pathology Section
Fla. Dept. of Agriculture & Consumer Services
Division of Plant Industry
P.O. Box 147100
Gainesville FL 32614-7100

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