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首页> 外文期刊>Journal of Natural Sciences Research >Assessment Of Iba (Indole Butyric Acid) Levels And Planting Time For Rooting And Growth Of Alstonia Cuttings
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Assessment Of Iba (Indole Butyric Acid) Levels And Planting Time For Rooting And Growth Of Alstonia Cuttings

机译：评估阿尔巴尼亚插条生根和生长的Iba（吲哚丁酸）水平和种植时间

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An experiment to assess different levels of IBA (Indole Butyric Acid) and planting time on rooting and growth of Alstonia cuttings was conducted at Ornamental Horticulture Nursery, Department of Horticulture, The University of Agriculture Peshawar, Pakistan. The experiment was carried out using RCBD design with split plot arrangement. There were five levels of IBA 0, 5, 10, 15 and 20% that were prepared by mixing IBA with talc powder. Cuttings were obtained from healthy, vigorous growing trees which were 15-20 cm long and 2-3 nodes. Leaves were removed from the cuttings and were treated with IBA than planted in plastic bags filled with mixture of sand, clay and FYM with the ratio of 1:1:1 on three different planting times 15th March, 30th March and 14th April. IBA level of 10% showed best results regarding leaf area plant-1(26.032 cm2), sprout length(18.096 cm), stem diameter (14.44 mm), number of roots plant-1 (15.613), root diameter (3.412 mm) while number of leaves plant-1 (17.27), root length (14.24 cm) and survival percentage (70%) was best recorded when treated with IBA at level of 5%. However, sprouting percentage and days to bud sprouting were not significantly affected by different levels of IBA. It is observed from the study that there was no significant effect of planting time over any parameter however good results were observed in cuttings planted at 14th April regarding leaf area plant-1, sprout length, stem diameter, number of roots plant-1, number of leaves plant-1, root length, root diameter and survival percentage while sprouting percentage and days to bud sprouting were best when planted at 15th March. IBA at 10% level and 14th April as planting time resulted in overall best performance and hence recommended for treating and planting cuttings of Alstonia. Keywords: Alstonia, Growth attribute, Planting times, IBA.
机译：巴基斯坦白沙瓦农业大学园艺系观赏园艺苗圃进行了一项实验，评估不同水平的IBA（吲哚丁酸）和种植时间对阿尔斯通插条生根和生长的影响。该实验是使用RCBD设计和分割图布置进行的。通过将IBA与滑石粉混合可以制备5种水平的IBA 0、5、10、15和20％。从健康，有力的生长树木中获得插条，这些树木长15-20厘米，有2-3个节。从插条上取下叶片，然后用IBA处理，然后在3月15日，3月30日和4月14日的三个不同种植时间将其种植在装满沙子，粘土和FYM混合物的塑料袋中，比例为1：1：1。 IBA水平为10％时，关于叶面积植物1（26.032 cm2），发芽长度（18.096 cm），茎直径（14.44 mm），根植物1的根数（15.613），根直径（3.412 mm）表现出最佳结果用5％的IBA处理时，最好记录叶片1的叶数（17.27），根长（14.24 cm）和存活百分比（70％）。然而，不同水平的IBA对发芽率和发芽天数没有显着影响。从该研究中观察到，播种时间对任何参数都没有显着影响，但是在4月14日播种的插条中，关于叶面积植物1，发芽长度，茎直径，根系植物1，数量，都观察到了良好的结果。 3月15日播种时，叶片1的根数，根长，根直径和存活率，发芽率和发芽天数最好。 IBA的播种时间为4月14日，浓度为10％，因此总体表现最佳，因此建议用于处理和播种Alstonia cutting插。关键字：Alstonia，生长属性，播种时间，IBA。

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