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Science, Technology and Development Vol. 37 (1), 2018
Research Article
Rooting Response of Olive Cultivars to Various Cutting Types
Riaz Alam and Muhammad Sajid
 
Abstract: Rooting response of olive cultivars to various cutting types was evaluated at Olive Model Farm Sangbhatti, Mardan, Pakistan (Latitude: 34°16⌷  21.32⌷ N; Longitude: 72°18⌷ 06.33⌷ and Altitude: 375 m) during the year 2014. The experiment was laid out using Randomized Complete Block Design (RCBD) with two factors factorial arrangement. Semi-hardwood, hardwood and tip cuttings were taken from plants of Frontoio, Manzanilla, Ottobratica, Pendolino and Picual. The cultivars and cutting types significantly affected the studied attributes, while the interaction effects were non-significant at P ≤ 0.05. More number of shoots (4.33) leaves (140.44) and maximum shoot length (36.67 cm) was recorded in the cuttings of cultivar Frontoio, while less number of shoots (2.44) and leaves (66.89) were noted in the saplings of Ottobratica, while shorter shoots (14.67 cm) were generated by the cuttings of Pendolino. The highest number (10.56) of 6.61 cm lengthy roots were produced by the saplings of Frontoio, followed by Manzanilla, which generated 8.17 number of roots with 6.06 cm length, while less number of roots (5.50) was produced by Pendolino. Ottobratica attained 23.64% survival, followed by Manzanilla (19.48%) and Frontoio (15.75%), while the least survival (9.73%) was recorded in plants of Pendolino. Semi-hardwood cuttings proved to be the root generative type in olive cultivars and produced more (8.97) and lengthy (6.20 cm) roots, also attained a high survival percentage (18.33%), as compared to tip (15.67%) and hardwood (14.47%) cuttings. It is concluded that olive cultivar Ottobratica was found as easy-to-root cultivar, followed by Manzanilla, Frontoio and Picual, while Pendolino was observed as hard-to-root cultivar under the agro climatic conditions of Sangbhatti, Mardan.
 
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