تاثير الكثافة النباتية ومستويات التسميد في نمو وحاصل اصناف مختلفة من نبات زهرة الشمس (Helianthus annuus L.) == Effect of Plant Density And Fertilization Levels In Growth And Yield of Sunflower (Helianthus Annuus L.) Cultivars
Author name:
محمد سلمان كريم الزبيدي
Supervisor name:
نجم عبد الله جمعة الزبيدي
General topic:
Biology
Specific topic:
Plant
Degree:
Master
University:
University of Diyala - College Of Education For Pure Sciences - Department Of Biology
Language:
Arabic
University location:
Diyala
First pages:
24T2643 - p.pdf
Abstract:
اجريت تجربة حقلية في محطة ابحاث كلية الزراعة / جامعة ديالى اثناء العروة الربيعية للعام 2014 في تربة مزيجية غرينية, تمت الزراعة بتاريخ 2014/2/23. نفذت التجربة باستخدام تصميم القطاعات العشوائية الكاملة R.C.B.D وبنظام تجربة عاملية بتنظيم القطع المنشقة المنشق | This experimet was carried out in the experiments station of the Agriculture College/ University of Diyala in the spring season of 2014 in 23/2/2014, using silty loam soil. Experiment was on sunflower with a factorial experiment, a split split plot randomized compelete block design with three replications. This study included three factors, first the NPK fertilizer with three levels (0, 150, 300) Kg/h - 1 which were divided into two parts first 30 days after seeds germinated and the second 35 days after the first. The second factor was the plants density with three levels (66666, 80000, 100000) plants/h - 1 and the third factor three varieties of sunflower (Shemoos, Akmar, Euroflour) , and the important results obtained were : 1. The highest density level (100000) plants/h - 1 gave the highest results in most of the characters studied which were, head or disk diameter, plant yield, yield (ton / h - 1), fertility percentage, oil percentage in seeds, oil yield(ton / h - 1), and protien yield (ton / h - 1).2. Level of 150 Kg/ h - 1 of NPK fertilizer was the best in most of the characters which were head diameter, plant yield, yield (ton / h - 1), oil percentage, oil yield (ton / h - 1), protien percentage and protien yield (ton / h - 1).3. Shemoos variety exceeded other varaieties in leaf area, leaf area index, stem diameter, head diameter, 1000 seed weight, plant yield, yield (ton / h - 1), seeds number in head, oil yield (ton / h - 1), protien yield (ton / h - 1) , but it gave the highest number of days to flower and mature.4. The interaction (Shemoos variety X zero NPK) gave significant highest mean in number of days from planting date to 75% flowering.The interaction (Akmar variety X 150 Kg NPK / h - 1) gave the highest values in stem diameter, head diameter, lodging percentage, but the interaction (Shemoos variety X 300 Kg NPK / h - 1) gave the highest values in leaf area, leaf area index, and number of days from planting date to maturity.5. The interaction (Shemoos variety X 66666 plants per hectar) gave significant differences in number of seeds per head , 1000 seeds weight, one plant yield, and yield (ton / h - 1). The interaction (Akmar variety X 100000 plants/ h - 1) gave significant differences in fertility percentage.6. The interaction (150 Kg NPK / h - 1 X 66666 plants/ h - 1 ) gave the highest significant differences in all quality characters studied. 7. The interaction (Shemoos variety X150 Kg NPK / h - 1 X 100000 plants/ h - 1) gave the highest significant results in seeds yield, oil yield and protien yield.
