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Bulletin OEPPIEPPO Bulletin 18, 549-567 (1988) Citrus greening bacterium and its vectors EPPO Data Sheet No. 151-list A1 Photo. courtesy J. M. Bove, INRA, Bordeaux (FR) Photo. courtesy H. S. Catling, Bangladesh Fig. 1. Greening-affected sweet orange showing Fig. 2. Greening symptoms on sweet orange in yellow shoot symptoms (Reunion). Swaziland. SymptBmes des pousses jaunes sur oranger SymptBmes du greening sur oranger au affecte par le greening (Reunion). Swaziland. Photo: courtesy J. M. BovP, INRA, Bordeaux (FR) Photo: courtesy J. M. Bove, INRA, Bordeaux (FR) Fig. 3. Leaf mottle on grapefruit (Poona, India), a characteristic symptom also seen on trees infected by Spiroplasma citri. Marbrure foliaire sur pamplemousse (Poona, Inde), symptBme caracteristique parfois lit a l'infection par S. citri. Fig, 4. Brown necrotic or aborted seeds in infected mandarin (Saudi Arabia). PCpins bruns, necrotiques ou avortes dans une mandarine infectbe (Arabie Saoudite). 549

Citrus greening bacterium and its vectors

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Page 1: Citrus greening bacterium and its vectors

Bulletin OEPPIEPPO Bulletin 18, 549-567 (1988)

Citrus greening bacterium and its vectors

EPPO Data Sheet No. 151-list A1

Photo. courtesy J. M. Bove, INRA, Bordeaux (FR) Photo. courtesy H. S. Catling, Bangladesh

Fig. 1. Greening-affected sweet orange showing Fig. 2. Greening symptoms on sweet orange in yellow shoot symptoms (Reunion). Swaziland. SymptBmes des pousses jaunes sur oranger SymptBmes du greening sur oranger au affecte par le greening (Reunion). Swaziland.

Photo: courtesy J . M . BovP, INRA, Bordeaux (FR) Photo: courtesy J. M. Bove, INRA, Bordeaux (FR)

Fig. 3. Leaf mottle on grapefruit (Poona, India), a characteristic symptom also seen on trees infected by Spiroplasma citri. Marbrure foliaire sur pamplemousse (Poona, Inde), symptBme caracteristique parfois lit a l'infection par S. citri.

Fig, 4. Brown necrotic or aborted seeds in infected mandarin (Saudi Arabia). PCpins bruns, necrotiques ou avortes dans une mandarine infectbe (Arabie Saoudite).

549

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Photo: courtesy H. D. Catling, Bangladesh

Fig. 5. Eggs of Triozu erytreae Oeufs de T. erytreue

Photo: courtesy H . D. Catling, Bangladesh

Fig. I. Nymphs of Trioza erytreae. Larves de T. erytreue.

Photo: courtesy H. D. Catling, Bangladesh

Fig. 6. Eggs of Trioza erytreue along leaf margin. Oeufs de T. erytreue disposes le long du bord de la feuille.

Photo: courtesy J. M. Bove, INRA, Bordeaux (FR)

Fig. 8. Characteristic galls on upper side of lemon leaves caused by Trioza erytreue (with corresponding hemispherical concavities on lower surface) (Yemen Arab Republic). Galles caracteristiques sur la face suptrieure de feuilles de citronnier (avec des concavites htmispheriques correspondantes a la face infirieure) (RCpubIique arabe du Yimen).

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Photos: courtesy J. M. Bove, INRA, Bordeaux (FR)

Fig. 9. Eggs and adults of Diaphorina citri. Oeufs et adultes de D . citri.

Fig. 10. Distortion of lime leaves by Diaphorina citri, with nymphs and young adults as well as honeydew (Saudi Arabia). Deformation des feuilles de lime par D . citri, avec larves et jeunes adultes ainsi que miellat (Arabie Saoudite).

Fig. 11. Nymph and adult stages of the two vectors of greening: Diaphorina citri and Trioza eryfreae. Stades larvaires et adulte des deux vecteurs du greening: D. citri et T. erytreae.

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553

Monilinia fructicola

EPPO Data Sheet No. 153-list A1

Photo: courtesy J. Tarran, Univ. NSW (AU)

Fig. 1. Cultural characteristics of Moniliniafructicola on PDA (2a) and V8 (2c) media in the dark at 25 "C, compared with M . laxa (2b and d, respectively). Caracteristiques culturales de M . fructicola sur milieux PDA (2a) et V8 (2c) a 25 "C dans l'obscurite, comparees a celles de M . laxa (2b et d, respectivement).

Photo: courtesy H. J. Willetts, Univ. NSW (AU)

Fig. 2. Cultural characteristics of Monilinia laxa (top left), M.fructigena (top right) and M . frucfigena f. malz (below) on PDA in the dark (for comparison with Fig. 1). Caracteristiques culturales de M . laxa (en haut a gauche), M.fructigena (en haut a droite) et M.fructigena f. mali (en bas) sur milieu PDA dans l'obscurite (a comparer i la Fig. 1).

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Photo: courtesy H . J. Willetts, Univ. NSW (AU)

Fig. 3. Colonies of Monilinia fructigena (top left), M . laxa (top right), M . fructicola (bottom). Colonies de M.fructigena (en haut a gauche), M . laxa (en haut a droite), et M.fructicola (en bas)

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Photo: courtesy H. J. Willetts, Univ. NSW (AU)

Fig. 4. Lesions on pear (a), plum (b), and apricot (c) fruit due to Moniliniu frucficolu, M . luxu and M . fructigenu. Top left--control; top centre-A4. luxa; top right-M. fructigenu; bottom left-M. fructigenu; bottom centre-A4. jiructicolu; bottom right-M. luxu. Lesions sur fruits dues a M.fructicolu, M . luxu et M.fructigenu. (a) poire, (b) prune, (c) abricot. En haut: gauche-temoin; centre-M. luxa; droite-M. fructigena. En bas: gauche-M. fructigenu: centre-M. fructicola; droite-M. luxa.

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557

Opogona sacchari

EPPO Data Sheet No. 1 5 6 l i s t A2

Photo: courtesy E. Tremblay, Univ. Napoli (IT)

Fig. 1. Eggs of Opogona sacchari. Oeufs d’O. sacchari.

Photo: courtesy A. van Frankenhuijzen, Wageningen (NL)

Fig. 2. Larva of Opogona succhari. Larve d’O. sacchari.

Photo: courtesy W. Billen, Weil-am-Rhein (DE)

Fig. 3. Larva of Opogona sacchari. Lawe d’O. sacchari.

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Photo: courtesy W. Billen, Wed-am-Rhein (DE) Photo: courtesy A. van Frankenhuijzen, Wageningen (NL)

Fig. 4. Pupa of Opogona sacchari-note characteristic hooks Nymphe d'O. sacchari-noter les crochets caracthistiques.

Fig. 6. Adult Opogona sacchari. Adulte d'O. sacchari.

Photo: courtesy A. van Frankenhuijzen, Wageningen (NL)

Fig. 5. Pupal skins in situ, with hooks projecting. Exuvie nymphale in situ, avec crochets en kvidence.

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Photo: courtesy A. van Frankenhuijzen, Wageningen (NL)

Fig. 7. Feeding damage of cortex layer on Dracaena. DegBts subis par la couche corticale chez une Dracaena.

Photo: courtesy W. Billen, Weil-am-Rhein (DE)

Fig. 8. Frass deposits, in situ and uncovered, on Dracaena. Accumulation d’excrements, in situ et dtcouverts, chez une Dracaena.

Photo: courtesy E. Tremblay, Univ. Napoli (IT)

Fig. 9. Damage by larvae of Opogona sacchari to Ficus. Deglts provoquts par les larves d’O. sacchari sur Ficus.

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Photo: courtesy E. Tremblay, Univ. Napoli (IT)

Fig. 10. Large Kentia palm completely destroyed by Opogona sacchari. Destruction totale par 0. sacchari d’un grand palmier du genre Kentia.

Photo. courtesy A. van Frankenhuijzen, Wageningen (NL)

Fig. 11. Damaged Dracaena with external frass deposits. Deglts sur Dracaena et accumulations externes d’excrements

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56 1

Xanthornonas campestris pv. vesicatoria

EPPO Data Sheet No. 157-list A2

Photos: courtesy D. Zutra, Volcani Center (IL).

Fig. 1. Xanthomonas campestris pv. vesicatoria: lesions on a leaf of sweet pepper (upper and lower surfaces). X.C. vesicatoria: lesions sur feuille de poivron (faces superieure et inferieure).

Fig. 2. Xanthomonas campestris pv. vesicatoria lesions on pepper fruit. X.C. uesicatoria: lesions sur fruit de poivron.

Fig. 3. Xanfhomonas campestris pv. uesicaforia lesions on tomato fruit. X.C. uesicatoria: lesions sur fruit de tomate.

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563

Beet necrotic yellow vein virus

EPPO Data Sheet No. 1 6 b I i s t A2

Photos: courtesy Institut Technique de la Betterave (FR)

Fig. 1. Characteristic rootlet proliferation, or rhizomania, due to BNYVV in sugar beet. Proliftration caracttristique des radicelles de betterave (rhizomanie) due au BNYVV.

Fig. 2. Longitudinal section of BNYVV-infected sugar beet root, showing browning of the vascular tissues. Coupe longitudinale d’une betterave infectte par le BNYVV, avec brunissement de l’anneau vasculaire.

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Fig. 3. Systemic symptoms of BNYVV infection on sugar beet leaves. SymptBme systirmique de l’infection par le BNYVV sur feuilles de betterave.

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Radopholus citrophilus & R. sirnilis

EPPO Data Sheet No. 161--lists A1 & A2

Photos: courtesy State Plant Pathology Institute, DK

Fig. 1. Marunla species infested with Radopholus sirnilis (healthy plant on left). Muranta spp. infesttes par R. sirnilis (plante saine B gauche).

Fig. 2. Muranta species infested with Radopholus sirnilis. Muranta spp. infestkes par R. sirnilis.

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567

Carposina niponensis EPPO Data Sheet No. 163-list A1

Photo: courtesy Staie Plant Quarantine Inspection, SU

Fig. 1. Carposina niponensis: 1-2) adult, 3) egg, 4) egg-laying site, 5 ) caterpillar, 6 ) cocoon of the overwintering caterpillar, 7) cocoon of the summer caterpillar, 8) pupa, 9) damaged apple. C. niponensis: 1-2) adulte, 3) oeuf, 4) ponte, 5 ) chenille, 6 ) cocon de la chenille hivernante, 7) cocon de la chenille d’ktk, 8) nymphe, 9) dkgits sur pomme.