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首页> 外文会议>第四届国际板栗大会（Proceedings of Fourth International Chestnut Symposium) >Chip Budding of 'AU-Super' Chinese Chestnut Scions on AU-Cropper and Qing Seedling Rootstocks
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Chip Budding of 'AU-Super' Chinese Chestnut Scions on AU-Cropper and Qing Seedling Rootstocks

机译：“ AU-超级”板栗接穗在AU-作物和清苗砧木上的切屑萌芽

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摘要

A study was conducted to determine the optimal time of chip budding 'AUSuper' on Qing and AU-Cropper seedling rootstocks. Twenty trees of each scion/rootstock combination were budded on 21 July, 15 Aug., and 1 and 19 Sept., 2006. Diameters of the rootstock liners were measured at the time of budding. Scion bud diameters were recorded on 23 Mar. 2007 before growth was visible and unions were evaluated on 25 Apr. 2007. Budding success increased from 15% on 21 July to 65 and 75% for Qing and AU-Cropper rootstocks, respectively, on 19 Sept. Mean scion bud diameters of trees that formed successful unions and produced scion bud growth in the spring were generally greater than those of trees that did not produce scion bud growth in the spring. For AU-Cropper, mean scion bud diameters of successful grafts were≥4.1 mm, while those of Qing were >3.6 ram. At the first two budding dates, tissue growth around the budding tape was excessive and sometimes covered the scion bud. At all budding dates, 75 to 100% of the budded trees produced callus around the bud plate in the fall, but in the spring, scion buds often failed to grow on trees with good callus formation. Mean rootstock diameter generally increased at successive budding dates. However, rootstock diameter did not appear to influence percent bud take.
机译：进行了一项研究，以确定清香和AU-Cropper苗木砧木上出芽'AUSuper'的最佳时间。每个接穗/砧木组合的20棵树于2006年7月21日，8月15日以及1月19日和19日出芽。在出芽时测量了砧木衬里的直径。在2007年3月23日记录到接穗芽的直径，然后才能看到生长，并在2007年4月25日评估了接穗。青苗和非农作物砧木的出芽成功率分别从7月21日的15％和75％分别提高到65％和75％ 9月，在春季成功形成联盟并产生接穗芽成长的树木的平均接穗芽直径通常大于在春季没有产生接穗芽成长的树木的平均直径。对于AU-Cropper，成功移植的接穗平均芽直径≥4.1mm，而Qing> 3.6 ram。在开始的两个发芽日期，发芽带周围的组织生长过度，有时会覆盖接穗芽。在所有发芽日期，秋天有75％到100％的发芽树在芽板周围产生愈伤组织，但是在春季，接穗芽通常无法在具有良好愈伤组织形成的树上生长。平均砧木直径通常在连续的出芽日期增加。但是，砧木直径似乎并未影响芽的百分率。

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