Horticulture Department, College of Agricultural Engineering Sciences, University of Sulaimani, Sulaimani, Kurdistan Region, Iraq.
Abstract
The aqueous extract of Salix sppcontains many compounds which may act as root-promoting agents in cuttings. S. alba is a deciduous tree, phytochemicals and hormones in deciduous trees are variable throughout the year. So, in this study, one- and two-year-old shoots of S. alba were collected on the 15th of each month in the year 2022, extracted in 2% ethanol at 9 g.L-1, and placed in a water bath at 35 °C, then they applied to thornless blackberry cuttings for 1.5 h. The results explained that the highest rooting percentage (66.66%) was obtained in the cuttings soaked in the extract of willow shoots collected on 15th of January. They were not significantly different from control cuttings, but they were different from the cuttings soaked in the extract of willow shoots collected on 15th of August and October (33.33%). The majority of other shoot and root traits were high in the cuttings soaked in the extract of willow shoots collected on 15th of December. The willow shoots collected on 15th of January contained the lowest total phenols (51.4 µg. mL-1) and total flavonoids (29.07 µg. mL-1). Moreover, the highest total phenols (57 µg. mL-1), SA (492.61 µg. mL-1), and IAA (365.17 µg. mL-1) were recorded in the willow shoots collected on 15th of March, and total flavonoids were the highest (44.96 µg. mL-1) in the willow shoots collected on 15th of April. Generally, based on rooting percentage, it is advisable to collect willow shoots on 15th of January and February for extract and application to the thornless blackberry cuttings.
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Salih,K Omer, Mohammed,A Akram and Noori,I Maaroof. (2024). Rooting of thornless blackberry cuttings as induced by the extract of white willow (Salix alba L.) shoots collected in different times. Kirkuk University Journal for Agricultural Sciences (KUJAS), 15(1), 112-120. doi: 10.58928/ku24.15117
MLA
Salih,K Omer, , Mohammed,A Akram, and Noori,I Maaroof. "Rooting of thornless blackberry cuttings as induced by the extract of white willow (Salix alba L.) shoots collected in different times", Kirkuk University Journal for Agricultural Sciences (KUJAS), 15, 1, 2024, 112-120. doi: 10.58928/ku24.15117
HARVARD
Salih K Omer, Mohammed A Akram, Noori I Maaroof. (2024). 'Rooting of thornless blackberry cuttings as induced by the extract of white willow (Salix alba L.) shoots collected in different times', Kirkuk University Journal for Agricultural Sciences (KUJAS), 15(1), pp. 112-120. doi: 10.58928/ku24.15117
CHICAGO
K Omer Salih, A Akram Mohammed and I Maaroof Noori, "Rooting of thornless blackberry cuttings as induced by the extract of white willow (Salix alba L.) shoots collected in different times," Kirkuk University Journal for Agricultural Sciences (KUJAS), 15 1 (2024): 112-120, doi: 10.58928/ku24.15117
VANCOUVER
Salih K Omer, Mohammed A Akram, Noori I Maaroof. Rooting of thornless blackberry cuttings as induced by the extract of white willow (Salix alba L.) shoots collected in different times. KUJAS. 2024;15(1):112-120. doi: 10.58928/ku24.15117
