Sanitary status of stone fruit industry in the Mediterranean countries: Tunisia Zeramdini H. in

Sanitary status of stone fruit industry in the Mediterranean countries:

Tunisia

Zeramdini H.

in

Di Terlizzi B. (ed.), Myrta A. (ed.), Savino V. (ed.).

Stone fruit viruses and certification in the Mediterranean countries: problems and prospects

Bari : CIHEAM

Options Méditerranéennes : Série B. Etudes et Recherches; n. 19 1998

pages 65-66

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--- Zeramdini H. San itary statu s of ston e fru it in du stry in th e Mediterran ean cou n tries: Tu n isia. In : D i Terlizzi B. (ed.), Myrta A. (ed.), Savino V. (ed.). Stone fruit viruses and certification in the Mediterranean countries: problems and prospects. Bari : CIHEAM, 1998. p. 65-66 (Options Méditerranéennes : Série B. Etudes et Recherches; n. 19)

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de la

Tunis (Tunisia)

Tunisia is a among which

stone play a leading totalling an of about 380,000 ha and 145,000 tons of

in de la

stone almond is the most with 310,000 ha, peach second with 40,000 ha, and with 17,000 ha.

The status of stone Tunisia with to and

like diseases was limited to stemming a few conducted in the past

Within the of the between and Tunisian institutions, studies out to evaluate the status of stone

collected and

block stands.

affected to these exhibited a

wide of symptoms that consisted of stunted and cup-

shaped leaves. The common found affecting in Tunisia those

belonging to the and

apple and apple leaf spot (ACLSV). the plum pox

the (tomato

Arm;

latent spot, detected.

studies out in the of stone

et al., 1996; Edhib,1996), almond has the highest infection with followed by peach (12.6%), plum

(lo%),

Options Méditerranéennes, Série B / n ^O 19, - Stone fruit viruses and certification in the Mediterranean: problems andprospects

CIHEAM - Options Mediterraneennes

66 H. Zernmdini

1,130 almond tested, 387 (34%) with one of

the infected plants hosted a single the

9%. was detected in 53% of the at 18% and A p W at

1.8%. ACLSV was and found in about 25% of

and a combination of infections was detected in 1% of the cases.

Only and ACLSV detected in 550 samples analysed (4.5% and 0.2%,

Out of 1,048 peach samples analysed, 132 (12.6%) affected by at least one The

levels of infection 8.3% 1.8% and 1.6 % ACLSV.

infections in 7% of the the most common combinations being

(3 %) and %).

The peach samples collected in in oases showing a diffused mosaic, positive peach latent mosaic

570 Japanese plum tested, infections detected as follows: 35.7 % with 30.3% with and 18% with ACLSV. Among the 16% mixed infections detected,

10.6% was and 5.4% was

Out of 170 plum tested, only 12 (7%) infected by (5.3%) and ACLSV (1.7%), all single infections.

-

une au Annales de 65 61-73.

- J. (1989). Situation of and of stone in the

east A m b Jounzal 7 209-210.

- S. (1996). Achèvement de l'évaluation de l'état des essences à noyau en Tunisie.

of 1996.55 pp.

-

in Tunisia. Bulletin Bulletin, 26: 155-160.

CIHEAM - Options Mediterraneennes