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Register a new userالتحليل الوراثي لتحسين الغلة الحبية ومكوناتها في القمح القاسي(Triticum durum L )
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Damascus University أطروحة دكتوراه
Publication date
2013
fields
Agricultural Engineering
and research's language is
العربية
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نفذت هذه الدراسة في محطة بحوث قرحتا التابعة للهيئة العامة للبحوث الزراعية في ريف دمشق - سورية خلال الموسمسين الزراعيين 2010-2011 و 2011-2012
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References used
العيد منال (2009) تقدير التوريث والتقدم الوراثي لصفات الغلة في القمح تحت ظروف الجفاف المجلة الدولية لعلم الوراقة والبيولوجية الجزيئية وعلم الاحياء
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تقدير بعض المعايير الوراثية لأهم الصفات الإنتاجية ومكوناتها وأثرها في التحسين الوراثي للقمح القاسي(Triticum durum L )
This research was conducted to determine the most responsive phenological
stage for supplementary irrigation of the durum wheat in a primary stationary
region.
It consisted of six different water treatments in addition to control (non
irrigated)
:
1-From planting to seedling emergence; 2-From planting to tillering; 3-From
planting to booting; 4-From planting to flowering; 5-From planting to the end of
the milk stage; 6–Sowing irrigation and irrigation according to necessity
throughout the milk stage.
The study has been repeated in four blocks for three seasons from 2002 to
2005. The results of the first two seasons showed that the:
The treatment from planting to booting, was canceled because of the rain and
soil dampness during this growth period. A significant increase in production,
water use efficiency, and one 1000 kernel weight, of both 5th and 6th treatments was
noticed in comparison with other treatments and the control. Results of the three
seasons were varied due to the environmental variation in temperature and amount
of rainfall.
Five improved genotypes of durum wheat (T. turgidum var. durum) (Lahn,
Cham1, Gezira17, Bouhouth 5, and Acsad 65) were planted under the
conditions of the agricultural region (Bouka) of the Faculty of Agriculture-
Tishreen University during the ag
ricultural year 2002-2003, with a split-plot
arrangement to study the effects of flag leaf removal on grain yield and its
components.The genotypes differed significantly in flag leaf area, stomatal
frequency, yield parameters and protein content.
Flag leaf removal significantly reduced plant height, number of spikelets/
spike, number of grains/ spike, 1000 kernels weight and grain yield, while grain
protein content significantly increased.
There was a positive correlation between the flag leaf area and 1000-
kernels weight and grain yield, but protein content was negatively correlated
with grain yield.
This experiment was conducted at the Faculty of Agriculture, Damascus
University (2001 – 2002), to assess the effect of radiostimulation of seeds of two
durum wheat varieties (Hourani and Cham 3) on some morphological traits
and yield components,
by using three doses of gamma rays (10, 15, and 20 GY).
The study showed significant differences among radiation doses. The high
doses (15, 20 GY) caused a significant deterioration in growth and development
of plants, as well as yield components of the two varieties.
اختُبر 12 طرازا وراثياً من القمح القاسي Triticuum. durum لصفة الغلة الحبية
في ثلاثة مواقع بيئية متباينة خلال موسمي 2013-2014 , 2014-2015
بثلاثة معدلات بذار ( 150, 200 ,250 ) كغ/ ه و تضمنت المادة الوراثية 7 سلالات
مبشرة و خمسة شواهد تمثل أصناف ا
لقمح القاسي المحلية لمنطقتي الاستقرار الأولى
و الثانية. صممت التجربة وفق تصميم القطاعات الكاملة العشوائية في ثلاثة مكررات,
حللت البيانات و تمت المقارنة وفق اختبار أقل فرق معنوي LSD عند مستوى دلالة 5%.
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