تأثير الرش بعنصري الحديد و الخارصين و فيتاميني B3, C في نمو و إزهار نبات الورد الشجيري Rosa hybrida L. صنف سلطاني

الملخص EN

The study was carried out in the lath house of college of agriculture / University of Basrah during the period from 15/9/2012 to 15/5l2013.

Two separated experiments was conducted.

The first was to study the effect of spraying with three conc.

of two elements, iron at Conc.

(0, 40, 80) mg.

L-1 and Zinc at Conc.

(0, 30, 60) mg.

L-1.

The second experiment was to study the effect of spraying with Vit C at Conc.

(0, 30, 60) mg.

L-1 and Vit B3 at Conc.

(0 , 40 , 80) mg.

L-1.

The results showed that spraying with iron at Conc.

80 mg.

L-1 and Zinc at Conc.

60 mg.

L-1 had a significant effect on the vegetative and flowering growth.

High conc.

of Vit.

C at Conc.

(60) mg.

L-1 and Vit.

B3 at Conc.

(80 mg.

L-1) had a significant effect of the vegetative and flowering growth.