تاثير طريقة الزراعة بالشتل لصنفين من الذرة الصفراء Zea mays L. الربيعية تحت نظام الري بالتنقيط == Effect of Transplanting Method of Two Maize Cultivars Zea Mays L. Under Drip Irrigation System
Author name:
نضال ياسر عباس الغركان
Supervisor name:
وسام مالك داود
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:
24T2821 - p.pdf
Abstract:
A field experiment was carried out at the Experimental Fields of Department of Field Crops Sciences - Faculty of Agriculture - Diyala University during 2014 within the project of the development of maize for spring season in Iraq to study the response of two varieties of maize grown in spring season to transplanting technique under drip irrigation system. Maize seed of varieties Broujen and Cadiz were planted in dates 15/ 1, 15/ 2 and 15/ 3 in Polyethylene bags 8 cm diameter and 18 cm depth in the greenhouse. Seedlings were transferred on 15/1 and 15/2 to the field in 15/3. While the varieties of maize planted inside a greenhouse in 15/ 3 when plants were 4 to 5 leaves transferred to the permanent field. It was in 5 / 4, after 21 days from planting. The experiment was applied according to the Split Plots Design with three replications. Each replicate was divided into two main plots (Broujen and Cadiz variety). Each main plot was divided into four secondary plots which were treatments of methods of agriculture (method of transplanting technique in the greenhouse which is seedlings 15/1, seedlings 15/2, seedlings 15/3 and traditional agriculture method in the permanent field in 15/3). Results have shown that seedlings dates 15/1 and 15/2 led to the events of a significant increase in the mean of plant height, number of leaves, leaf area and leaf area index. they reduce in the vegetative growth period and increase in the weight and length of ear, the number of fertilized grain in it, grain yield, biological yield, harvest index and percentage of oil. Varieties showed significant effects on the growth and yield characters. Broujen variety has achieved increase in mean of plant height, stem diameter and reduce in the vegetative growth period and increase in the biological yield. The interaction between the methods of agriculture (method of transplanting technique and traditional agriculture method) and varieties have shown significant effect in stem diameter (before flowering and at the maturity), green leaves number, dead leaves number, leaf area, leaf area index, vegetative growth period and flowering growth period. Therefore, The interaction between the methods of agriculture and varieties have shown significant effect in ear weight, grain weight, cob weight, fertilized grain number, aborted grain number, biological yield, grain yield, harvest index and percentage of oil and protein.
