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EFFECT OF GROWTH REGULATOR INDOLE-3 BUTYRIC ACID AND AGRICULTURAL MEDIA TO PROPAGATION OF Hibiscus rosa - sinensis L. CUTTINGS UNDER PROTECTED ENVIRONMENT CONDITIONS | ||
| IRAQI JOURNAL OF DESERT STUDIES | ||
| Article 4, Volume 9, Issue 2, 2019, Pages 24-32 PDF (919.18 K) | ||
| DOI: 10.36531/ijds.2019.172613 | ||
| Authors | ||
| Hamid H. Al ali; Alaa H. Hamad | ||
| Abstract | ||
| This experiment was carried out in green house of Department of Horticulture and Garden Engineering, College of Agriculture, University of Anbar for the period from 1/4/2018 to 1/11/2018 at study the effect of the growth regulator Regulator Indole-3 butyric acid (IBA) on concentrations of 0, 1500, 3000, 4500 mg. L-1 and the agricultural media of sand, sand with peatmoss 2: 1, sand with poultry litter 3% to propagation the cutting of Hibiscus Rosa-sinensis L. Plant. By using a stem cutting and hard wood, this study according to carried out as Factorial Experimental with a Complete randomized design (CRD) 4 x 3. It included 12 experimental units with three replicates of 20 cutting in each experimental unit and means were compared using L.S.D test on 5% probability. The results showed the following. The results showed that immersion of cutting in concentrations of IBA achieved a significant increase in rooting ratios and a superior concentration of 4500 mg. L-1, giving the highest rooting rate of 90.00%, while the comparison treatment recorded the lowest rate of 36.67%. The concentrations achieved 4500 mg. L-1 significant increases for all charachters in this study including: mean of number, and diameter of root, mean number and area of leaves, height of plant, content of leaves from NPK reached of 24.00 root.cutting-1, 5.31 mm.root-1, 73.74 leaf. Trans plant-1, 7264.70 cm2. Trans plant-1, 81.89 cm. Trans plant-1, 2.10%, 1.77%, 0.55%, respectively. While, the control treatment gave the lowest value of 5.33 root.cutting-1, 1.62 mm.root-1, 45.15 leaf. Trans plant-1, 3534.52 cm2. Trans plant-1, 60.19 cm. Trans plant-1, 1.92%, 1.73%, 0.53 %, respectively. The treatment of the agricultural media /sand with poultry litter 3%/ have a significant effect on all the characters compared to the other media of 19.42 root.cutting-1, 5.49 mm.root-1, 111.00 leaf. Tran's plant-1, 13886.16 cm2. Trans plant-1, 110.08 cm. Trans plant-1, 2.17%, 1.78%, 0.57%, respectively. But, the control treatment gave lowest value of 13.58 root.cutting-1, 2.42 mm.root-1, 32.64 leaf. Trans plant-1, 1025.78 cm2. Trans plant-1, 45.92 cm. Trans plant-1, 1.89%, 1.71%, 0.52%, respectively. The interaction of the study factors significantly affected the root and vegetative characters of plants after six months of cultivation. The interaction between of IBA concentration 4500 mg-1 and media sand with poultry litter 3% significantly exceeded the other treatments by giving the highest rates of the previous studied. | ||
| Keywords | ||
| Propagation; Cuttings; IBA; media; Hibiscus rosa - sinensis L | ||
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