This study was conducted at the of field research station Sianow belong to the General Commission for Scientific Agricultural Research at Lattakia, to evaluate the susceptibility of maize hybrids produced by using half Diallel the cross according to
the design ofrandomized completeblocks (R.C.B.D), under industrial infection by large corn stem borer Sesamia cretica. Hybrids were compared with the control (Ghouta- 82). The hybrid (P1 × P2) Showed positive and highly significantheterosis for Ear diameter and tolerance forlarge corn stem borer compared with the average of the parents and the best parents and the check (Ghouta- 82). The hybrid (P2 × P6) showed positive and highly significant heterosis for the number of kernels per row compared with the average of the parents and the best parents and the check (Ghouta- 82). Also the hybrid (P1 × P6) showed positive and highly significant heterosis for the number of kernels per row relative to the average of the parents and the best parents and the check (Ghouta- 82). hybrid (P4 × P6) showed positive and highly significant heterosis for the recipe grain yield compared with the average of the parents and the best parents and the check (Ghouta- 82). The hybrid(P5 × P6) also showed positive and highly significant heterosis for the Percentage of dead hearts of the developing summit compared with the average of the parents and the best parents, and compared with the check (Ghouta- 82), therefore it can be considered as a sensitive hybrid.
The study was done at the field research station Sianow of General Commission for
Scientific Agricultural Research at Lattakia, to evaluate the susceptibility of 6 strains of maize
Zea mays. L, and fifteen maize crosses obtained by half Diallel cro
ss, against under conditions
Industrial infection by large corn stem borer , Sesamia cretica Led. The experience was
designed at randomized complete blocks (R.C.B.D).
Strain IL.257-09)P1( expressed general high capacity to the attributes of Number of
kernels per row(3.089), number of holes (-1.261). Strain IL.298-09 (P2) also expressed general
high capacity to the attributes of Ear length (0.717), Intensity of damage (-0.432),% of yield
loss (-6.022). strain IL.286-09 (P3) general high capacity to the attributes of diameter Ear
(0.292), number of rows per ear (2.806). Strains IL.255-09 )P4) )0.036( and IL.228-09)P5)
(0.969) also expressed general high capacity to the attributes of grain yield. Strain IL.262-
09(P6) expressed general high capacity to the attributes of 100- Kernel weight (1.942),
infestation grain yield) 0.784), tunnel length (-5.629), Percentage of dead hearts (-1.132).
This study was conducted at the field of the research station Sianow of General Commission
for Scientific Agricultural Research at Lattakia, to evaluate the susceptibility of 6 strains of maize (
IL.257-09(P1), IL.298-09(P2 ) , IL.286-09 (P3 ), IL.
255-09( P4), IL.262-09 (P5), IL.228-09 (P6 )),
against the natural infestation by large corn stem borer , Sesamia cretica Led. They were
Compared with control (Ghouta 82).because it is the most growing variety in Syria.
This experiment was conducted during ١٩٩٦-١٩٩٨ to ivestigate study the
effect of using different types of irrigation water on some soil properties and its
cotton, corn and wheat productivity under the agroclimatic conditions of Deir
Ezzor.
It was evaluated the susceptibility of 6 lines of maize, and fifteen
maize crosses, against by large corn stem borer, Sesamia cretica Led
under conditions Industrial infection. A study of the correlation
coefficient showed linear relationship of yields by 100- Kernel weight.
The research was carried out at a field in Talkalakh region- Al
smeka village in Western Area-Homs Province . The research
objectives to study the effect of water stress conditions on tow
hybrids of Zea mayes L. ( Basel1 and Basel2) during differe
nt
phonological stages(seedling, vegetative growth, flowering,
physiological maturity) and control (no water stress) . Split-plot
design with three replications was used.
