Cotton wilt in Syria
Khoury F.
in
Braud M. (ed.), Campagne P. (ed.).
Le coton en Méditerranée et au Moyen-Orient Montpellier : CIHEAM
Options Méditerranéennes : Série Etudes; n. 1988-I 1988
pages 241-242
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--- Khoury F. Cotton wilt in Syria. In : Braud M. (ed.), Campagne P. (ed.). Le coton en Méditerranée et au Moyen-Orient. Montpellier : CIHEAM, 1988. p. 241-242 (Options Méditerranéennes : Série Etudes; n.
1988-I)
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24 1
Atelier : Protection des cultures Cotton wilt in Syria
F.
Ministry of Agriculture and Agrarian Reform - Aleppo
Cotton wilt is one of
was of
1953. to of cotton and
extended by of the cotton
O to 100% in a t time, annual loss amount,ed to about 4% of the total
t h a t the disease is caused by Verticillium albo-atrum
of the by
diseased plants on Czapek's
Those : 1)- ;
2)- Completely mycelial type ; and 3)-
microsclerotia
between 46 to 88 1 to 6
the mecelial type, and 14 to 67 the mixed type. The 3
infested with the mixed types
of isolates.
the development of
1960's.
of a new Aleppo 1, developed by
new Aleppo 1
began to new
old
because of
by about 35% within 5 yield of
been 1625 kglha in 1970, when CC. Queen had it k g h a i n 1975.
The second of a
new local Aleppo 40, developed by
Aleppo 1 with SJ1 in
1970. At F4, some to be
all Aleppo 1 i n both yield
only disadvantage was its l a t e n e s s by 3% t h a n A l e p p o 1 . T h i s
by s i n g l e p l a n t
selection. This new Aleppo 1
since
up to now.
Field studies have shown that
followed by
of wilt
45% to 33% to 26%
in the second On
of 45% to 52%. 3
followed by in the followed by in the second
of 42% to
20%.
The use of and
of
combinations of of
showed no effect on
options
CIHEAM - Options Mediterraneennes
242
Verticilliuln
h a s b e e n f o u n d t h a t hizoctoni solani a n d
incidence of of
conditions.
be a
that, is Verticillium soil
of or may not show
these pathogens. The use of soil seed solani,
when testing a line V .
alboatrum, may lead to
F.Y. and
o n the susceptibility ofcotton plants to
and 63 : 352-358.
and 1973.-Effect
o n the susceptibility of c o t t o n p l a n t s t o 6 3 : 485-490.
F.Y., as a
of cotton. 2 vol.
Shami. A., S. and A. of a
new
The Cottons. July 1978,253 : 268
options
