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Register a new userEstimation of Correlation and Path coefficient for hybrids of maize(Zea mays) under conditions industrial infection by large corn stem borer Sesamia cretica
تقدير معامل الارتباط و المرور لهجن من الذرة الصفراء (Zea mays) تحت ظروف العدوى الصناعية بحفار ساق الذرة الكبير Sesamia cretica
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Aِl-Baath University ورقة بحثية
Publication date
2016
fields
Field Crops
and research's language is
العربية
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Shamra Editor
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تم تقويم حساسية ست سلالات من الذرة الصفراء و هجنها الخمسة عشر، للإصابة بحَفار ساق الذُّرة الكبير Sesamia cretica Led تحت ظروف العدوى الصناعيَّة. أوضحت دراسة مُعَامل الارتباط وجود علاقة خطيَّة إيجابيَّة و معنوية للغلة الحبية بصفة وزن المئة حبّة.
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.
References used
ABD EL-ATY, M and KATTA, Y 2002 Estimation of Heterosis and combining ability for yield other agronomic traits in maize hybrids (Zea mays.L), J.Agric.Sci, Vol 27(8), 5137- 5146
ABENDROTH, L; ELMORE, R; HARTZLER, B; MCGRATH, C; MUELLER, D; MUNKVOLD, G; POPE, R; RICE, M.E; ROBERTSON, A; SAWYER, J; SCHAEFER, K; TOLLEFSON, J; TYLKA, G 2009 A reference for identifying diseases, insect pests, and disorders of corn, Cooperative Extension Service,Vol 16(5), 46-62
ABOU DEIF, H 2007 Estimation of gene effects on agronomic characters in five hybrids and six population of maize (Zea mays.L). World.J.of. Agric, Vol 3(1), 86-90
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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 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.
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.
The experiment was grown in a Randomized Complete Blocks
Design with three replications, to estimate the heterosis, degree of
dominance and the inbreeding depression of three hybrids of maize.
The experiment was carried out at two planting dates in a Randomized
Complete Blocks Design with three replications at Maize Research Department,
General Commission for Scientific Agriculture Researches (G.C.S.A.R.)
Damascus, Syria, during two cro
pping season 2011 and 2012 to study the
phenotypic and genotypic coefficients of variation, heritability, genetic advance,
phenotypic correlation and path coefficient analysis for grain yield per plant,
its components and the height of plant and ear of two maize hybrids (IL.292-06
× IL.565-06, IL.459-06 × IL.362-06).
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