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Studying respond of Calendula officinalis L. to effect of Humic and Folvic acids under lath house conditions | ||
| Kirkuk University Journal for Agricultural Sciences (KUJAS) | ||
| Article 9, Volume 10, Issue 1, 2019, Pages 56-61 PDF (534.84 K) | ||
| Document Type: Research Paper | ||
| DOI: 10.58928/ku19.10109 | ||
| Authors | ||
| Mateen Yilmaz Al-Bayati1; Ahmed Kamaldeen All-Kalefa2 | ||
| 1University of Kirkuk - Collage of Agriculture | ||
| 2Agriculture Directorate of Chamchamal – Sulaymaniyah | ||
| Abstract | ||
| The experiment was conducted in the lath house of the Department of Horticulture-Faculty of Agriculture - University of Kirkuk, during the period of (1 March-18 May 2017) , and the plant age was 45 days from the date of planting seeds with a rate of (4-7) real leaves. The plants were treated with two levels g. l-1 with humic acid in water at concentration of (0 and 5) and three levels of folvic acid in water at concentration (0,4 and 8 ) ml.l-1. The plant leaves were irrigated by humic acid، while they were sprayed by folvic acid. The Experiment was conducted using Randomized Complete Block Design (R.C.B.D). The results of current study showed significant increase in the vegetative characteristics (number of leaves plant، number of branches for each plant and plant height) when the plant was treated by humic acid at concentration of (5) g.l-1, folivic acid at concentration of (8) ml.l-1, and the interaction between them، when they compared to control. The same concentration of the two acids (humic acid at concentration of (5) g.l-1, folivic acid at concentration of (8) ml.l-1) had a significant effect on floral characteristics, as it delayed the time of flowering, increased the length of the syphilis and number of flowers, while the main stem diameter and the last inflorescences of plant characteristics had showed none significant effect. | ||
| Keywords | ||
| Calendula officinalis; Humic and Folvic acids; house conditions | ||
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