Sanitary status and certification of citrus in Egypt
Abdel-Salam A.M.
in
Martelli G.P. (ed.), D' Onghia A.M. (ed.).
Proceedings of the Mediterranean network on certification of citrus. 1995-1997 Bari : CIHEAM
Options Méditerranéennes : Série B. Etudes et Recherches; n. 21 1998
pages 95-97
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A. Abdel-Salam Department Faculty Agricultzrre
.-Cairo University Giza
-
-
of the known and diseases of have been detected so in Egypt. The incidence of and to be high in some Although ais being by the of and the
GTZ and to be taken a
of the
l
Egypt- La plupart des maladies à virus et de type viral connues chez les agrumes ont été détectées jusqu'à présent en L'incidence de la tristeza et du stubborri semble être très élevée dans certaines régions. Bien qu'un programme de certification soit actuellement appliqué par le de l'Agriculture en collaboration avec la GTZ, des mesures de
certification et dérudication supplémentaires doivent être adoptées le plus tôt possible afin d'assurer l'amélioration sanitaire du matériel de multiplication des agrumes.
agrumes, virus, virus similaires, certification,
The is the Egyptian economy in
Table shows the main in
Table Z
-
Cultivated with species in Egypt in to ofof Egypt, 1996).
Cultivated species Cultivated areas
(Tons) (TonlFeddan) (Feddan*) Total production Productivity
411,134 5.95
74,973
3 17,567 36,060 7.6
Lemon
1,555,024 235,646 7.6
413 5.72 1978
'Feddan = 4200 516 = 0.4
Options Méditerranéennes, Série B/no21, - Proceedings of the Mediterranean Network on Certification of Citrus
CIHEAM - Options Mediterraneennes
96 A. Abdel-Salam
infectious agents known to affect the
et al., 1988). These pathogens devastating effects on the life span of as well as on the quality and quantity of yield.
Egypt, as infectious
and concave the
As can be seen Table the all species in Egypt is low
to the the low
and life span of the out of infectious agents
as well as the use of (Citrus aurantium L.) as a the of in
Egypt. This of disease per se, in addition to
the absence of sanitation and
of in the (old valley)
concave has quite often been seen in old been
located on in addition to its on sweet
(C sinensis (L) Osbeck), (C. paradisi), (C. reticulata) in the old valley
is on (C. aurantifolia Swing),
sweet and shaddock (C. grandis L.), (Abdel-Salam et al., has been detected
Gummy disease of sweet was found to affect on
it was found to affect sweet
including Valencia, Navel, White, and Egyptian blood. than 50 % of the of this disease (Childs et al., 1956).
disease of caused by the Spiroplasma citri was Egypt by the symptoms of the disease and suggested that the causal agent it was isolated and by Abu-Zeid et al., (1988). Table
incidence in in the old valley.
Table
-
of disease of in at to visualsymptoms
90 120
64.40 58
53.33 32
60
81.61 49
El-Qualubia 60
66.66 80
No. of trees
%
et al. (1988).
CIHEAM - Options Mediterraneennes
Sanitary status and certification of citrus in 97
(1961) found 41 in in the
the These Eid et al. (1984b)
detected, though, 3 of of in the of
on the Symptoms of the honeycombing type of pitting below the
publication, Eid et al. two of stem pitting .
in the of the of in
the on the
in the second type the to the Naval scion. Out of 270
33 two types of CTV and the
in the by Eid et al. in the disease
on Navel All to CTV-Ab of the
No. 512
the above, it that the need the of
and agents has become a must in Egypt.
is a by the Egyptian of
the GTZ the National Academy of Science is
the and indexing of in to select Though it
have be
accompanied with laws and necessitate the use of
Abdou, Y.A., Abou-Zeid, A.A. and A. Abou-Elfotouh (1997). Studies on
(CEV) in 4 th meeting of the on Certijïcatìon
Citrus 1-4 1997.
Abu-Zeid, A.A., A.A. and (1988). and of Spìroplasma citri
associated with disease of in Egypt. 20 (2), pp. 139-140.
Childs, El-din, F. and N. (1956). on Egyptian diseases. Citrus
37 (lo), pp. 11-16.
Eid, S.A., Abu-Zeid, A.A. and isolates in Egypt.
6 th Cong. Un. Egypt.
Eid, S.A., Abu-Zeid, A.A., and F. (1984b). a location of
in 62 pp. 287-392.
L.C. (1961). diseases affecting to the of the United
El-din, F. (1956). of sweet 46, pp. 238-239.
F. (1967). A agent associated with infected with disease in 57, pp. 108-113.
Whiteside, J.O. Gamsey, LW. (1988). Compendium of citrus diseases, USA, 80
