STUDIES ON THE EFFECT OF GROWTH REGULATORS ON THE ROOTING OF CUTTINGS IN DIFFERENT VARIETIES OF FIG (Ficus carica L.) UNDER OPEN AND SHADE HOUSE CONDITIONS
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Date
2017-07
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UNIVERSITY OF HORTICULTURAL SCIENCES, BAGALKOT
Abstract
The present investigation entitled “Studies on the effect of growth regulators on the rooting of cuttings in different varieties of fig (Ficus carica L.) under open and shade house conditions” was carried out during the year 2016-17 at Department of Fruit Science, University of Horticultural Sciences, Bagalkot. Among the different growing conditions, open condition recorded significantly highest percentage of rooted cuttings (33.66), number of roots (19.90), root length (16.90 cm), survival percentage of rooted cuttings (73.70) as compared to shade house condition. The shoot length (5.95 cm) and number of leaves (5.84) were significantly maximum in shade house condition as compared to open condition. Deanna under shade house condition recorded highest shoot parameters such as shoot length (8.42 cm), number of leaves (7.60) as compared to other treatment combinations. The root parameters such as number of roots (22.67), fresh (2.83 g) and dry weight (0.89 g) of roots were recorded significantly highest in Conadria under open condition. The survival percentage (77.14) of rooted cuttings was significantly highest in cuttings of Bellary under open condition.
Among the growth regulators, IBA at 3000 ppm recorded significantly highest percentage of rooted cuttings (36.22), number of roots (21.32), root length (21.95 cm), survival percentage (86.52), shoot length (12.95 cm) and number of leaves (11.60) in different varieties. Among the treatment combinations, the percentage of rooting (42.22), shoot length (15.46cm), number of leaves (15.07) were recorded significantly highest in Deanna cuttings treated with IBA at 3000 ppm. The survival percentage (89.47), root length (25.56 cm) and number of roots (24.14) were significantly highest in cuttings of Conadria treated with IBA at 3000 ppm concentration.
It can be concluded from the results of the present study that, open condition proved better for root growth and survival as compared to shade house condition. Among the growth regulators, IBA at 3000 ppm recorded maximum root and shoot growth. Deanna performed well with respect to shoot parameters and percentage of rooting compared to all other treatment combinations. High survival percentage and root parameters (Number of roots and root length) were obtained in cuttings of Conadria treated with IBA at 3000 ppm.
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