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首页> 外文期刊>Revista rvore >AGE OF STOCK PLANTS, SEASONS AND IBA EFFECT ON VEGETATIVE PROPAGATION OF ILEX PARAGUARIENSIS
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AGE OF STOCK PLANTS, SEASONS AND IBA EFFECT ON VEGETATIVE PROPAGATION OF ILEX PARAGUARIENSIS

机译：储蓄植物，季节和IBA对伊斯克萨拉菌植物繁殖的植物繁殖

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摘要

The low germination of Ilex paraguariensis seeds and their long reproductive cycle make cuttings propagation a good alternative for its reproduction all year round, enabling to obtain genetically superior clones. Thus, we evaluated the influence of stock plants age, plant growth regulator indole-3-butyric acid (IBA) application and plant material collection in different seasons related to rooting of cuttings. From 12 and over 80-years-old trees shoots cuttings were made in four seasons, treated with IBA hydroalcoholic solution at concentrations of 0, 1500, 3000, 4500 and 6000 mg L -1 . The rooting was performed in plastic boxes filled with vermiculite and carbonized rice husk at a ratio of 1:1 (v/v) and, after 90 days in controlled greenhouse conditions were evaluated the rooting percentage, callus formation, survival, mortality, number of roots/cutting and length of three larger roots/cutting. Cuttings from 12-years-old stock plants have higher ability to form adventitious roots and the use of IBA did not increase rooting potential. Autumn proved to be the most favorable season for rooting, followed by spring and winter.
机译：ILEX Paraguariensis种子的低萌发和它们的长生殖循环使Cuttings传播全年繁殖良好的替代品，使得能够获得遗传上优越的克隆。因此，我们评估了股票植物年龄，植物生长调节剂-3-丁酸（IBA）应用和植物材料收集在与生根相关的不同季节中的影响。从12岁和超过80岁的树木射击，在四个季节中制作了四季，其浓度为0,1500,3000,4500和6000mg L -1处理的IBA水醇溶液。在填充有蛭石和碳化稻壳的塑料盒中进行生根，其比例为1：1（v / v），并且在受控温室条件下90天后评估生根百分比，愈伤组织形成，存活，死亡率，数量根/切割和长度为三个较大的根/切割。来自12岁的植物厂的扦插具有更高的形成不定根的能力，并且使用IBA没有增加生根潜力。秋天被证明是生根最有利的季节，然后是春天和冬天。

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