EPPO Global Database

Citrus tristeza virus(CTV000)

Distribution details in Morocco

Current pest situation evaluated by EPPO on the basis of information dated 2015: Present, restricted distribution
Eradication in: 1984
From CABI Disease map 289 (1998): Present, no details
From country itself (1992): production programme for virus-free certified plants since 1984.

RS no. 4/02 of 1990: found on Meyer lemon in 1960s; eradication of Meyer lemon obligatory. A few infected trees may remain.

EPPO Reporting Service (1993/47) : about 100 trees found infected in two citrus germplasm blocks at Souihal and El-Menzeh.

Promed posting: CTV was detected in 2009 in Larache (region of Tangier-Tetouan), eradication measures have immediatley been put in place.

From Afechtal et al. (2015): surveys were conducted in Souss, Gharb, Moulouya, Tadla, Haouz and Loukkos (5,192 plants from commercial groves, nurseries and varietal collections were tested). On average, 25% of the tested trees were CTV-infected. Highest incidence (60%) in Loukkos region, few infected trees in Souss and Gharb regions and no CTV infection in other studied sites.
* Afechtal M, Djelouah K, Cocuzza G, D'Onghia AM (2015) Large scale survey of Citrus tristeza virus (CTV) and its aphid vectors in Morocco. Acta Horticulturae 1065, 753-757.

* Childs JFL, Carpenter JB (1959) Plant Disease Reporter 44, 920-927.

* NPPO of Morocco (1992).

* Promed posting (no. 20090224.0763) of 2009-02-24. Citrus tristeza - Morocco (Tangier-Tetouan). http://www.promedmail.org
------- CTV detected in Larache (region of Tangier-Tetouan) in 2009, under eradication.
Situation in neighbouring countries
Country State Status
Algeria Present, restricted distribution view...
Spain Present, widespread view...