تاثير تراكيز مختلفة من الجبرلين والسماد النتروجيني في نمو وحاصل والمادة الفعالة لصنفين من نبات الكرفس Apium graveolens L. == Effect of Use Different Concentration of Gibberellic Acid And Nitrogen Fertilizer On The Growth, Yield And Active Substance For Two Cultivars of Celery
Author name:
ماهر جاسم محمد الاسدي
Supervisor name:
انتصار حسين مهدي
General topic:
Biology
Specific topic:
Plant
Degree:
Master
University:
University of Al-Qadisiyah - Faculty Of Education - Department Of Biology
Language:
Arabic
University location:
Qadisiyah
First pages:
24T2807 - p.pdf
Abstract:
نفذت التجربة في الموسم الشتوي لعام (2013 - 2014) م في اصص بلاستيكية بقياس 15×16 سم في محافظة ذي قار, لمعرفة تاثير الرش بحامض الجبرلين ومستوى السماد النتروجيني والتداخل بينهما في النمو ومحتوى الثمار من الزيت الطيار والمادة الفعالة لصنفين من نبات الكرفس Api | The experiment was conducted in the winter season of the year (2013 - 2014) A.C. in a home garden in the governorate of Dhi Qar, to find out the effect of spraying Gibberellic acid and level of nitrogen fertilizer and the interference between them in the growth and content of the fruits of the essential oil and active substances for two cultivars of Celery (Apium graveolens L.).The design of The experiment was Randomized Complete Blocks Design (RCBD) with three replicates in factorial arrangement for three factors (2×4×4 the first factor includes two types of Celery cultivars (local and imported), the second factor includes four concentrations of Gibberellic acid (0, 50, 100 and 150) mg.L - 1, the third one includes four levels of nitrogen fertilizer (0, 10, 20 and 30) kg.dunam - 1. used Revised Least Significant Difference (RLSD) at probability level of (0.05) to compared the averages. The results showed the following : 1 - The local cultivars was significantly Outweighed in content of chlorophyll a, b and total chlorophyll and the percentage of essential oil in plant seeds. imported cultivars was significantly Outweighed on the local cultivars in other characters. 2 - The applying of Gibberellic acid caused a significant increase in all traits, the highest percentage increasing of the Characteristics at a concentration of Gibberellic acid (150) mg.L - 1 for most traits.3 - The nitrogen fertilizer levels (30)) kg.dunam - 1 were used gives significant increase in all of studied traits of the plant except for the percentage of phosphorus, where the increase did not reach to the significant level.4 - The interference between cultivars of plant and Gibberellic acid showed a significant difference in most of the studied traits except the Characteristics stem diameter, number of branches, flowering inflorescences, the wet and dry weights for shoot and root increase in significantly. the treatment of (150)) mg.L - 1 with a imported cultivar was Outweighed significantly in most vegetative growth Characteristics.5 - Binary interference between the plant cultivars and nitrogen fertilizer showed a significant effect for most of the characteristics, which reached the highest increase significantly treatment (30) Kg.dunm - 1, nitrogen of the imported cultivars. 6 - The binary interference between Gibberellic acid and nitrogen fertilizer caused significant effect in all traits except number of branches. Outperforming combination plants (150) mg.L - 1, Gibberellin and (30) Kgm.dunm - 1, significantly nitrogen fertilizer in most vegetative growth Characteristics and floral characteristics and the percentage of oil and active substances and yields the plant from seeds and t1000 seed weight.7 - The triple interference between study factors significantly affected the most qualities, where the given combination (150) mg.L - 1, Gibberellin and (30) Kg.dunm - 1, fertilizer nitrogen in the imported cultivars highest significant increase in most vegetative growth Characteristics and yields the plant from seeds.
