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:: Volume 10, Issue 1 (Spring & Summer 2025) ::
FOP 2025, 10(1): 35-48 Back to browse issues page
Effect of intensity and time of pruning on flower quantity and quality of the floribunda rose cv. Iceberg
Mina Farrokhpour , Nematollah Etemadi , Hamed Aalipour *
Tabriz University
Abstract:   (1011 Views)
Roses are the most important cut flowers, and they are widely used in landscapes. Pruning is one of the factors that affect growth and flowering in roses. Generally, the main reason for pruning is to control the growth, flowering, and fruit production in different plants, which is done by cutting the shoots in the correct location. This experiment was conducted to study the effect of time and severity of pruning on the quantity and quality of rose flowers in field conditions. A factorial experiment based on a randomized complete block design (RCBD) was conducted at Isfahan University of Technology between 2014- 2015. Treatments include two levels of intensity and time of winter pruning (remaining five buds in 4th February and as medium pruning, and remaining two buds in 4th February and 6th March as heavy pruning), and summer pruning (flower pruning and control), in three replications. Each replication contained two pots. Data analysis showed that heavy pruning on 4th February increased the number of flowers, flower diameter, the length of the flowering stalk, and the number of leaves in the flowering stalk. Summer pruning increased the number of flowers in spring and summer, and also increased the length of the flowering stem and the number of leaves in summer. Late and heavy pruning on 6th March delayed the flower initiation. Pruning decreased carbohydrate content in comparison with non-pruned ones. Intensity and time of pruning had not shown a significant difference in nitrate reductase activity. In addition, heavy pruning improved photosynthesis efficiency by increasing light penetration in the plant canopy. To sum up, results suggested that heavy pruning on 4th February was the best time and severity of pruning for the floribunda rose cv Iceberg.
 
Keywords: Photosynthesis, Rose, Soluble sugar, Summer pruning, Winter pruning
Full-Text [PDF 634 kb]   (246 Downloads)    
Type of Study: Research | Subject: Special
Received: 2022/10/23 | Accepted: 2024/08/15 | Published: 2025/08/19
References
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10. İkinci, A., Kuden, A., AK, B. E. (2014). Effects of summer and dormant pruning time on the vegetative growth, yield, fruit quality and carbohydrate contents of two peach cultivars. African Journal of Biotechnology, 13(1), 84.‌ [DOI:10.5897/AJB09.1614]
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15. Li, K. T., Lakso, A. N., Piccioni, R., Robinson, T. (2003). Summer pruning reduces whole-canopy carbon fixation and transpiration in apple trees. Journal of Horticultural Science Biotechnology, 78, 749-754. [DOI:10.1080/14620316.2003.11511694]
16. Lodolini, E. M., Polverigiani, S., Giorgi, V., Famiani, F., Neri, D. (2023). Time and type of pruning affect tree growth and yield in high-density olive orchards. Scientia Horticulturae, 311, 111831.‌ [DOI:10.1016/j.scienta.2023.111831]
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19. Roberto, N. E., Jonathan, H. C. (2000). Selective pruning and crop removal increase early-season fruit production of carambola (Averrhoa carambola L.). Scientia Horticulturae, 86, 115-126. [DOI:10.1016/S0304-4238(00)00141-2]
20. Saifuddin, M., Hossain, A. B. M. S., Osman, N., Sattar, M. A., Moneruzzaman, K. M., Jahirul, M. I. (2010). Pruning impacts on shoot-root-growth, biochemical and physiological changes of Bougainvillea glabra. Australian Journal of Crop Science, 4(7), 530-537.
21. Schreiner, R. P. (2021). Utility of dormant season pruning wood to predict nutrient status of grapevines. Journal of Plant Nutrition, 44(2), 238-251.‌ [DOI:10.1080/01904167.2020.1806311]
22. Suchocka, M., Swoczyna, T., Kosno-Jończy, J., Kalaji, H. M. (2021). Impact of heavy pruning on development and photosynthesis of Tilia cordata Mill. trees. PloS One, 16(8), e0256465.‌ [DOI:10.1371/journal.pone.0256465]
23. Thorne, J. H., Koller, H. R. (1974). Influence of assimilate demand on photosynthesis, diffusive resistances, translocation and carbohydrate levels of soybean leaves. Plant Physiology, 54, 201-207. [DOI:10.1104/pp.54.2.201]
24. Zekavati, H. R., Asghar Zade, A. (2013). Effect of time and type of Pruning on the growth characteristics of rose. International Journal of Agriculture and Crop Science, 6(11), 698-703.
25. Zieslin, N., Hurwitz, A., Halevy, A. H. (1975.). Flower production and the accumulation and distribution of carbohydrate in different parts of Baccara rose plants as influenced by various pruning and pinching treatments. Journal of Horticultural Science, 50, 339-348. [DOI:10.1080/00221589.1975.11514643]
26. Avner, C., Staden, J. V. (1983). Role of roots in regulating the growth and cytokinin content in leaves. Plant Physiology, 73, 76-78. [DOI:10.1104/pp.73.1.76]
27. Banowetz, G. M. (1992). The effect of cytokinin content on benzyladenin enhanced nitrate reductase induction. Physiology Plantarum, 86, 341-348. [DOI:10.1111/j.1399-3054.1992.tb01329.x]
28. Brickell, C. )1992(. Encyclopedia of Gardening. Dorling Kindersley, London, UK.
29. Calatayud, A., Roca, D., Gorbe, E., Martínez, P. F. (2008). Physiological effects of pruning in rose plants cv. Grand Gala. Scientia Horticulturae, 116, 73-79. [DOI:10.1016/j.scienta.2007.10.028]
30. Dubios, M., Gilles, K. A., Hamilton, J. K., Rebers, P., Smith, F. (1956). Colorimetric method for determination of sugars and related substances. Analytical chemistry. 28, 350-356. [DOI:10.1021/ac60111a017]
31. Dujesiefken, D., Liese, W., Shortle, W., Minocha, R. (2005). Response of beech and oaks to wounds made at different times of the year. European Journal of Forest Research, 124, 113-117. [DOI:10.1007/s10342-005-0062-x]
32. Forshey, C. G., Elfving, D. C., Stebbins, R. L. (1992). Training and pruning apple and pear trees. American Society for Horticultural Science.‌ 464-465.
33. Hassanein, A., Anber, M. (2010). Improved quality and quantity of winter flowering in rose (Rosa spp.) by controlling the timing and type of pruning applied in autumn. World Journal of Agricultural Sciences, 6, 260-267.
34. Hekmati, J., Miri, M. (2011). Pruning of fruit trees and ornamental shrubs, Iran Agricultural Science Publications, 428 pp. (in Persian).
35. İkinci, A., Kuden, A., AK, B. E. (2014). Effects of summer and dormant pruning time on the vegetative growth, yield, fruit quality and carbohydrate contents of two peach cultivars. African Journal of Biotechnology, 13(1), 84.‌ [DOI:10.5897/AJB09.1614]
36. Kaiser, W. M., Huber. S. C. (1994). Post-translation regulation of nitrate riductase in higher plants. Plant Physiology, 106, 817-827. [DOI:10.1104/pp.106.3.817]
37. Kool, M. T. N., Westerman, A. D., Rou-Haest, C. H. M. (1996). Importance and use of car-bohydrate reserves in above-ground stem parts of rose cv. Motrea. Journal of Horticultural Science, 71, 893-900. [DOI:10.1080/14620316.1996.11515472]
38. Kumar, M., Rawat, V., Rawat, J. M. S., Tomar, Y. K. (2010). Effect of pruning intensity on peach yield and fruit quality. Scientia Horticulturae, 125, 218-221. [DOI:10.1016/j.scienta.2010.03.027]
39. Kumar, P. P., Agnihotri, V. K., Singh, R. D. (2014). Impact of level and timing of pruning on flower yield and secondary metabolites profile of Rosa damascena under western Himalayan region. Industrial Crops and Products, 52, 219-227. [DOI:10.1016/j.indcrop.2013.10.022]
40. Li, K. T., Lakso, A. N., Piccioni, R., Robinson, T. (2003). Summer pruning reduces whole-canopy carbon fixation and transpiration in apple trees. Journal of Horticultural Science Biotechnology, 78, 749-754. [DOI:10.1080/14620316.2003.11511694]
41. Lodolini, E. M., Polverigiani, S., Giorgi, V., Famiani, F., Neri, D. (2023). Time and type of pruning affect tree growth and yield in high-density olive orchards. Scientia Horticulturae, 311, 111831.‌ [DOI:10.1016/j.scienta.2023.111831]
42. Maggs, D. H. (1965). Dormant and summer pruning compared by pruning young apple trees once on a succession of dates. Journal of Horticultural Science, 40, 249-265. [DOI:10.1080/00221589.1965.11514137]
43. Medhurst, J. L., Pinkard, E. A., Beadle, C. L., Worledge, D. (2006). Photosynthetic capacity increase in Acacia melanoxylon following form pruning in a two-species plantation. Forest Ecology and Management, 233, 250-259. [DOI:10.1016/j.foreco.2006.05.016]
44. Roberto, N. E., Jonathan, H. C. (2000). Selective pruning and crop removal increase early-season fruit production of carambola (Averrhoa carambola L.). Scientia Horticulturae, 86, 115-126. [DOI:10.1016/S0304-4238(00)00141-2]
45. Saifuddin, M., Hossain, A. B. M. S., Osman, N., Sattar, M. A., Moneruzzaman, K. M., Jahirul, M. I. (2010). Pruning impacts on shoot-root-growth, biochemical and physiological changes of Bougainvillea glabra. Australian Journal of Crop Science, 4(7), 530-537.
46. Schreiner, R. P. (2021). Utility of dormant season pruning wood to predict nutrient status of grapevines. Journal of Plant Nutrition, 44(2), 238-251.‌ [DOI:10.1080/01904167.2020.1806311]
47. Suchocka, M., Swoczyna, T., Kosno-Jończy, J., Kalaji, H. M. (2021). Impact of heavy pruning on development and photosynthesis of Tilia cordata Mill. trees. PloS One, 16(8), e0256465.‌ [DOI:10.1371/journal.pone.0256465]
48. Thorne, J. H., Koller, H. R. (1974). Influence of assimilate demand on photosynthesis, diffusive resistances, translocation and carbohydrate levels of soybean leaves. Plant Physiology, 54, 201-207. [DOI:10.1104/pp.54.2.201]
49. Zekavati, H. R., Asghar Zade, A. (2013). Effect of time and type of Pruning on the growth characteristics of rose. International Journal of Agriculture and Crop Science, 6(11), 698-703.
50. Zieslin, N., Hurwitz, A., Halevy, A. H. (1975.). Flower production and the accumulation and distribution of carbohydrate in different parts of Baccara rose plants as influenced by various pruning and pinching treatments. Journal of Horticultural Science, 50, 339-348. [DOI:10.1080/00221589.1975.11514643]
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Farrokhpour M, Etemadi N, Aalipour H. Effect of intensity and time of pruning on flower quantity and quality of the floribunda rose cv. Iceberg. FOP 2025; 10 (1) :35-48
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Volume 10, Issue 1 (Spring & Summer 2025) Back to browse issues page
گل و گیاهان زینتی Flower and Ornamental Plants
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