嫁接日期对金桔幼树成活率及生长的影响

N. Bhandari, C. Regmi
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摘要

为规范嫁接时间,研究了嫁接日期对2017-18年巴内帕金桔幼苗成活率和生长的影响。试验采用单因素完全随机设计,5个处理,3个重复。处理包括5个嫁接日期,即11月25日、12月10日、12月25日、1月10日和1月25日。以金橘母株接穗为材料,隔15天在纱棚下用侧贴面法嫁接到2年生三叶橙砧木上。每隔30天记录一次数据,发现嫁接日期对嫁接成功率、出芽苗死亡率、苗高、单株叶数和叶面积等重要经济指标均有显著影响。结果表明,1月份制备的移植物移植成功率为100%。11月25日嫁接树苗死亡率最高,为13.68±0.58%。1月10日嫁接的树苗苗高(39.68±3.68 cm)、单株叶数(23.12±3.43)和叶面积(16.34±1.05 cm2)显著高于1月10日嫁接的树苗苗高(39.68±3.68 cm)、单株叶数(23.12±3.43 cm2),而单株主次枝数在各嫁接日期均无显著差异。因此,研究表明,1月10日是尼泊尔Kavre条件下金桔嫁接最适宜的时间。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effect of Grafting Dates on Success and Growth of Kumquat (Fortunella japonica Swingle) Sapling
An experiment was carried out to study the effect of grafting dates on the success and growth of kumquat sapling during 2017-18 at Banepa, Kavre to standardize suitable grafting time. The experiment was conducted in a single factor completely randomized design with five treatments and three replications. The treatments consisted of five grafting dates which viz., 25th November, 10th December, 25th December, 10th January and 25th January. Scion collected from the mother plant of kumquat was grafted onto two years old trifoliate orange rootstock by side veneer method at 15 days intervals under screen house. The data were recorded at every 30 days interval and found a significant effect of grafting dates on most of the economically important parameters such as graft success percent, the mortality of sprouted grafts, sapling height, number of leaves per sapling and leaf area. The result revealed that 100% graft success was observed on the grafts prepared in January. The highest mortality (13.68±0.58%) was reported on 25th November grafted sapling. The sapling height (39.68±3.68 cm), number of leaves per sapling (23.12±3.43) and leaf area (16.34±1.05 cm2) were found superior for 10th January grafted sapling while the number of primary and secondary branches per sapling were found non-significant for all grafting dates. Therefore, the study revealed that 10th January was the most suitable time for grafting of kumquat under Kavre, Nepal conditions.
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