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Register a new userEffect of Seeding Rates on The Productivity of Durum Wheat Genotypes in Three Diverse Locations
أثر معدلات البذار في إنتاجية بعض الطرز الوراثية للقمح القاسي في ثلاثة مواقع بيئية
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اختبر 12 طرازا وراثيا من القمح القاسي Triticum. durum لصفة الغلة الحبية في ثلاثة مواقع بيئية متباينة خلال موسمي (2013\2014, 2014\2015), تضمنت المادة الوراثية 7 سلالات مبشرة و خمسة أصناف محلية بهدف تحديد معدل البذار تحت ظروف مواقع بيئية مختلفة.
Twelve genotypes were tested for grain yield in three diverse locations seasons 2013-2014 and 2014-2015. The genetic material contained 7 promising lines and five checks representing the local and improved cultivars durum wheat for Zoon (A, B) in Syria.
References used
Pena, R.J., (2007) Current and future trends of wheat quality needs. In: Buck, H. T., Nisi, J. E., Salomon, N. (Eds.). Wheat production in stressed environments. Springer, Pp: 411-424
Tompkins, D.K.; G.E. Hultgreen; A.t. Wrightand D.B. Fowler (1991). Seed rate and row spacing of no-till winter wheat. Agronomy Journal. 83: 684-689
Darwinkel, A. (1978). Patterns of tillering and grain production of winter wheat at wide range of plant densities. Neth. J. Agriculture. Science. 26: 383-398
rate research
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The experiment carried out in the agricultural Center (Boqa) of Tishreen University,
in the province of Lattakia, during the agricultural season (2014), in order to study the
effect of different types (cattle, sheep, poultry) and rates (0, 15.30 to
n/ha) of the compost
on durum wheat (Doma1). It farmed on (11.23.2014), according to complete system of
randomized sectors (27 bis).The compost was added within the lines of Agriculture
(10/06/2014). The results showed a response to the average of all the studied traits (plant
density (plant/m2), plant height (cm), the length of awn (cm), grains/spike weight (g), the
weight of 1000 grains (g)) positively organic fertilizing. While no significant differences
were recorded in the averages of the traits studied (plant density (plant/m2), plant height
(cm), the length of awn (cm), grains/spike weight (g), 1000 grains weight (g)) under the
manure type. In the case of overlap between the type and the rate of organic manure, it has
recorded a significant and high differences between the treatments. The treatment (30
ton/ha-1 poultry) was the most influential of all the studied traits. It gave the following
results: plant density (331.70 plants/m2), plant height (95.85cm), the length of awn (16.24
cm), grains/spike weight (1.66 g), 1000 grains weight (49.57 g).
This research was conducted in Abo Jarash farm (College of Agriculture,
Damascus University) in 2009/2010. Fifteen strains of durum wheat contrived
by ACSAD and ICARDA were studied, the productivity and its main
components were compared with four
certified varieties of durum wheat in
Syria. The experiment was designed in complete randomized block design with
three replicants. The results showed the presence of significant differences
between the strains in most of the studied traits, and the strains derived from
ACSAD were featured in the performance under the experiment condition.
And those strains were characterized by the early heading, and maturity
comparing with the wildly cultivated varieties in Syria and some of them were
super or in grain production as Acsad 1311, Acsad 1327, Acsad 357(3648.36,
2988.75, 2884.80 kg/ha). The results confirmed the importance of the some
components of productivity, weight of thousand grain, number of spikes, And
plant length which were correlated positively with the productivity in unit area.
This research was carried out at the farm of Faculty of Agriculture,
Damascus University, during 2010-2011 growing season to determine the effect
of seedling rate on yield traits (plant number at harvesting, plant height,
number of umbels/plant, n
umber and weight of seeds/ umbel, plant dry weight,
seed yield and harvest index.) of four ecogenotypes of Anise plants, (Pimpinella
anisum L.) collected from different places of Syria: Damascus countryside
(Hena, Saasaa), Homs and Edlib. Sowing rates were 10, 15 and 20 Kg/ha.. Trial
was laid out using completely randomized block design with three replicates for
each treatment. Results showed that studied traits differed according to seeding
rate and the ecotype. There were significant differences for the treatment of
seeding rate of 15 kg/ha., on seed yield. Regardless the ecotype, increasing the
seeding rate up to 20 kg/ha. resulted in maintenance of highest number of
plants/unit area, but accompanied with reduction in fertile umbels and seed
weight. Statistical analysis showed that the ecotype of Edlib recorded the
highest seed weight/ plant and highest seed yield/ planted area, especially with
the seeding rate of 15 kg/ha. However, the results showed the seed components
of Anise (plant number at harvesting, weight of seeds/ plant) and seed yield
were affected by the ecotype and seeding rate.
This cultivation was carried out in the farm of the Faculty of Agriculture at Damascus University during the 2013-2014 agricultural season to study the effect of seeding rate per unit area and planting dates on yield and its components for three barley genotypes under rain-fed conditions.
Eleven genotypes of Bread Wheat (Triticum aestivum L.) were tested at three diverse
locations in the Syrian Coast during the 2015-2016 season under rain-fed conditions to
assess these genotypes and to study the Genotypes x Environments Interactions
, and yield
stability across environments using 5 statistical measures of stability:{ X¯i, bi, and i
according to Eberhart and Russell (1966), Stability Variance Index (2
i) according to
Wricke and Weber (1980), Ecovalance Stability Index (Wi) according to Wricke (1962)}.
Genetic material included 5 promising lines and 6 local varieties (provided by ACSAD and
GCSAR).The experiment was designed using randomized complete block design with
three replications, statistical data analysis was done, and least significant difference
(L.S.D) test at 5% was applied for comparison of means. Significant differences were
observed among bread wheat genotypes for grain yield (ton/ha), combined analysis of
variance of grain yield across the three environments showed significant mean squares due
to genotypes, environments and genotypes x environments interaction, suggesting
differential responses of genotypes across studied environments and validity of stability
analysis.
Stability analysis for grain yield revealed that; the promising line ACSAD-1147 and
Doma6 were more stable than other genotypes. Due to they had superior ranks for both
average yield over environments and yield stability, which reveals the importance of these
genotypes to reach varieties that combine relatively high yield and better stability in any
future breeding programs.
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