| 1. | Didymella chrysanthemi(Tassi) Garibaldi and Gullino (syn.Mycosphaerella ligulicola Bakeret al.)—Chrysanthemum Ray Blight | Plants of chrysanthemum (Chrysanthemum L. sensu lato includingDendranthema(DC.) Des Moulins) |
| 2. | Fusarium oxysporum Schlecht. f.sp.gladioli(Massey) Snyder and Hansen—Fusarium Yellows and Corm Rot | Corms of freesia (Freesia Klatt), gladiolus (Gladiolus L.), and crocus (Crocus L.) and bulbs of iris (Iris L.) |
| 3. | Guignardia baccae(Cav.) Jacz.—Vine Black Rot | Plants ofVitis L. other than fruit and seeds |
| 4. | Ovulinia azaleae Weiss—Rhododendron Petal Blight | Plants of azalea (Rhododendron L.) |
| 5. | Phialophora cinerescens(Wollenw.) V. Beyma—a Carnation Wilt (previously known as Verticillium Wilt of Carnation) | Plants of carnation (Dianthus L.) other than cut flowers and seeds |
| 6. | Phytophthora fragariae Hickman—Red Core Disease of Strawberries | Plants of strawberry (Fragaria L.) other than fruit and seeds |
| 7. | Puccinia horiana P. Henn.—Chrysanthemum White Rust | Plants of chrysanthemum (Chrysanthemum L. sensu lato includingDendranthema(DC.) Des Moulins) |
| 8. | Puccinia pelargonii-zonalis Doidge—Pelargonium Rust | Plants of pelargonium (Pelargonium L'Hérit. partim) |
| 9. | Sclerotinia bulborum(Wakk.) Rehm—Hyacinth Black Slime | Flower bulbs |
| 10. | Sclerotinia convoluta Drayt.—Botrytis Rot of Iris | Rhizomes of iris (Iris L.) |
| 11. | Septoria gladioli Passer.—Gladiolus Hard Rot | Flower bulbs and flower corms |
| 12. | Stromatinia gladioli(Drayt.) Whet.—Gladiolus Dry Rot | Flower bulbs and flower corms |
| 13. | Uromyces spp.—Gladiolus Rust | Plants of gladiolus (Gladiolus L.) |
| 14. | Verticillium albo-atrum Reinke and Berth.—Verticillium Wilt of Hop and Lucerne (including Progressive Wilt Disease of Hops) | Plants of hop (Humulus lupulus L.) and seeds of lucerne (Medicago sativa L.) |