دور المخصبات العضوية و الحيوية في حاصل ونوعية زهرة الشمس Helianthus Annuus L

Abstract EN

A field experiment was conducted in the experimental field of collage of Agricultural Engineering Sciences / University of Baghdad / Jadrya during the spring Season 2019, to investigate the role of organic and Bio fertilizers on, yield and quality of sunflower crop, Aqmar variety.

Using randomized replicates within a factorial experiment order was used.

The Experiment included two factors, the first was represented spraing of organic matter ( Bilirubin ) by three concentration 1, 2 and 3 ml L-1 in addition to the treatment of control ( without spraying ), the second was represented foliar spray of the dry yeast at the three concentrations 1, 2 and 3 gm L-1 in addition to the treatment of control (without spraying ).

All treatment were conducted in two stages, first at the stage of four leaves ( for 75% of the total plants ), the second at the beginning of the emergence of flowering buds floral.

The results Showed: Sprayin Bilirubin affected significantly on all yield and quality studied traits.

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The plants which sprayed with 3 ml L-1 from bilirubin were recorded the highest of head diameter, percentage of fertility, number of seeds in head, weight of 1000 seed, and total yield seed an increasing 12.17% , 1.8% , 18.58% , 12.01% , and 32.33% comparison and without significant differences with 2 ml L-1 concentrations.

While the plants were spryed with 2 ml L-1 concentration from bilirubin was Superior in oil percentage in seed.

The traits of yield and quality studied significantly increased with increase of yeast concentration, the highest of average at 3gm L-1 without signifeant difference with concentration 2 gm L-1 on the most of traits except weight of 1000 seed, 2 gm L-1 was superior average for total seed yield, and oil percentage at spranig with 3 gm L-1 from yeast was 8.751 M gm ha-1, and 44.88% respectiveiy comparsion with control treatment which recorded the lowest average for this traits 6.122 M gm ha-1, 42.04% and 2.581 Mg ha-1 respectively.

The interaction between the two factors was significantly in most studied yield traits except percentage fertility, number of seed in head.

Corresponding author: E-mail(najat.

Zeboon@yahoo.

com) All rights reserved Al- Muthanna UniversityThe research is a part of thesis Ms.

D of the first researcher.