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猕猴桃嫁接时期不同,方法也有多种,但同一时期采取同一种方法嫁接,成活率往往有较大差异。笔者通过多次实践调查,对影响猕猴桃嫁接成活率的几个因素及对策总结如下: 1 影响因素 1.1 营养 猕猴桃砧木和接穗的营养状况与嫁接成活率的关系极为密切。据试验,夏季舌接在嫁接口以下留一、二片叶子成活率达84%以上,而不留叶子成活率只有10%左右。生长季节第一次嫁接成活率高,在二次枝上补接成活率显著降低,第三次补接几乎不能成活。其原因就是砧木的贮藏营养水平降低所致。接穗的 相似文献
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采用补片芽腹接、不同接位接芽交叉嫁接、双芽顶部枝接3种方法嫁接荔枝,结果表明,荔枝的芽位间存在着较强的异质性,采用双芽顶部枝接成活率高达96.24%,抽枝成苗率达83.64%,而且该方法操作简便,培砧时间短、成苗迅速,节约接穗,省劳力,对提高荔枝嫁接成苗有显著的效果。 相似文献
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<正> 在果树嫁接中,接穗在贮藏、运输和嫁接过程中,常常由于失水过多而影响成活率。1984—1987年,我们采用石蜡密封接穗的方法,进行核桃大树高枝接和苗圃枝接,获得了较高的成活率,接头成活率90%以上,接穗成活率75%以上;工效提高,成本降低。蜡封接穗应用到柿树枝接中,成活率同样达到90%以上。解决了我县长期沿用柿树花期隐芽芽接法,因为花期大量采集接穗较为困难,会造成柿树减产。一、封蜡接穗技术用市售石蜡碎成小块,放在水浴溶蜡筒内(也可用金属容器)加热,温度达60℃左右时,石蜡逐渐溶化为液体,当蜡液温度达90℃以上,将剪好嫁接所需长度的接穗,在蜡液中速蘸,取出后使整个接穗沾附一层均匀而薄的蜡膜,蜡封过的接穗,可在低温条件下贮藏、运输。 相似文献
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隆旺夫 《柑桔与亚热带果树信息》2004,20(9):48-48
切腹接是在总结切接和腹接经验的基础上发展起来的一种新的嫁接方法。其嫁接方法与切接的不同之处在于其接穗顶部与砧木断面齐平,而不是接穗顶部高于砧木断面,因而砧桩不易失水干枯;与腹接相比,由于采取剪砧的方式,接芽养分供应较足,营养条件较好,不存在砧与穗争夺养分的现象,故接芽萌发快而整齐,生长良好,未出现假活现象,接穗成活率高,接口愈合良好。该方法尤其适用于成年树高接换种,一般成活率在95%左右,高于切接和腹接。嫁接时期在2—3月。 相似文献
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研究了不同基质和不同植物生长调节剂对芙蓉花扦插繁殖的效应,以及嫁接时间、剪砧时间、砧穗组合对芙蓉花嫁接繁殖的效应。结果表明,6个抗病虫品种插穗的生根能力大小顺序为CDS-5>CDS-1>CDS-6>CDS-4>CDS-3>CDS-2。利用芽插技术可以提高CDS-2的扦插生根率。不同基质间插穗死亡率的差异不显著。以蛭石作基质进行扦插繁殖效果最好。腐殖土基质中插穗的生长势比其它基质好。3种植物生长调节剂处理对芙蓉花的扦插存活影响不显著。在夏季嫁接芙蓉花成活率高,剪砧宜在嫁接后10d左右进行。 相似文献
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为探索野生欧洲李嫁接繁殖技术,提高其嫁接成活率,以野生欧洲李为研究对象,采用4种不同嫁接方法,研究不同嫁接砧木、嫁接时间、嫁接方法、砧木粗度和嫁接高度对接穗成活率及新梢生长量的影响。结果表明:适合野生欧洲李嫁接的4种不同砧木的优先顺序依次为:栽培欧洲李品种‘女神’>野生樱桃李>野杏>山桃。春季4月中旬以野生樱桃李为砧木嫁接时,适合采用劈接法和嵌芽接法,最高成活率达90.37%;夏季6月中旬、7月中旬嫁接则适合采用T形芽接法,成活率最高为90.93%,且新梢生长快。根据接穗嫁接成活率和成活后生长量筛选出适合野生欧洲李嫁接的砧木粗度为大于14.00 mm。野生欧洲李在7月中旬以‘女神’作砧木,采用T形芽接法嫁接后成活率最高达93.52%。 相似文献
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Tea oil camellia (Camellia oleifera) is a perennial evergreen shrub or small tree with multiple uses. Its seed oil contains rich bioactive compounds with powerful nutritional and medicinal values. To improve low seed yield in natural forests of this species, the new grafting technique of high-grafting and change-crown is being widely used. This usually has three grafting methods, inlay graft by separating bark (IGSB), bark xylem graft by cutting stock (BXGCS), and cleft graft (CG). In this research, we (1) investigated growth, development, fruit yield, and traits of trees after high-grafting and (2) tested effects of grafting methods (IGSB, BXGCS, and CG) and times (spring, summer, and autumn) on survival rates. Results indicated that sprouted scions flowered and set fruit in the third year after high-grafting, and grafted trees produced higher oil yields in the fourth year. Both grafting methods and times significantly influence grafting survival rates. The optimal grafting method for this species is BXGCS, resulting in a 77.4% survival rate in the summer. These results not only demonstrate that this new grafting technique is advantageous to improve low-yield trees, but also that grafting method and time affected survival rate, contributing to enhanced productivity. 相似文献
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以‘特选一号’甜瓜为接穗,‘银光’南瓜为砧木,采用了顶插接、改良插接、断根插接和断根贴接4种嫁接方法,研究了不同嫁接方法对甜瓜嫁接苗生长的影响,以期为甜瓜育苗提供指导。结果表明:甜瓜顶插接嫁接速率最快、嫁接工效最高,嫁接后在昼/夜温度为28℃/18℃条件下,改良插接的嫁接成活率最高,改良插接和断根贴接的愈合时间短。在一叶一心时期,改良插接和顶插接的嫁接苗有明显的生长优势,改良插接的嫁接苗根系生长最好;而到三叶一心时期,断根插接和断根贴接的甜瓜嫁接苗生长快,壮苗指数显著高于顶插接和改良插接,断根插接的嫁接苗叶面积最大。不同嫁接方法所需除萌蘖次数和时间也存在差异,断根插接除萌蘖次数最少,除萌蘖用时仅为顶插接的46.3%。 相似文献
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《International Journal of Fruit Science》2013,13(2):31-41
ABSTRACT Studies were carried out at ICAR Research complex for NEH Region Umiam, Meghalaya, India on soft wood grafting using Khasi mandarin under poly-house, net-house and open field conditions at 15-day intervals from 15 June to 15 October. Early sprouting, graft success and scion growth were found to be best under poly-house conditions. Similarly, maximum graft success rate and early sprouting were observed under the open field condition compared to the net-house but growth performance of the plants was better under the net-house. Grafting from 30 June to 15 August gave the maximum graft success, plant height, scion diameter, leaves, branches/plant and minimum days for sprouting under all three conditions. A gradual decrease in graft success and increased in days to sprouting were noticed after 15 August. Soft wood grafting of Khasi mandarin was also performed on different rootstocks (C. jambhiri, C. karna, C. reshni, C. latipes, C. taiwanica, Tanzelo dancy, C. grandis, Naity jamir and Karun jamir). Maximum graft success, plant survival, plant height, branches/plant and the minimum time to sprouting the graft were recorded in C. Jambhiri, while, leaves/plant, rootstock and scion diameter were best using Karun jamir rootstock. 相似文献
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Yulien Miguelez-Sierra Annia Hernández-Rodríguez Yanelis Acebo-Guerrero Marie Baucher Mondher El Jaziri 《The Journal of Horticultural Science and Biotechnology》2017,92(1):25-30
This study aimed to evaluate in vitro grafting of Theobroma cacao where seedlings of the UF 677 genotype were used as the rootstock and apices or axillary buds of a Trinitarian genotype were used as scion. Three methods of grafting using scions from seedlings were evaluated. Apical grafts using apex and side grafts using apex displayed better graft success (95 and 80%, respectively). However, side grafts using axillary buds reached a greater height on average and a higher number of leaves per plant (1.76 cm and 3.72, respectively). Histological studies revealed new vascular elements at the graft union area. Side grafts with axillary buds provided the highest survival rate (82%) after the acclimatization step. A shoot of at least 1 cm with two leaves is required for plant survival after transfer to ex vitro conditions. Side grafting was carried out with axillary buds from adult trees and nursery plants. Only the grafts with buds from nursery grafted plants were successful, with a rate of 26%. Overall, side grafting with axillary buds is the most appropriate method for cacao micrografting. This method can be used for clonal propagation and for the establishment of in vivo and/or in vitro cacao germplasm collection. 相似文献
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切花月季不同嫁接方法育苗对比试验 总被引:2,自引:0,他引:2
为培育抗性强、产量高、品质优良的切花月季品种,在银川地区首次采用嫁接方法开展切花月季的繁育试验,对不同月季品种、不同嫁接部位对嫁接成活率的影响进行了初步研究.结果表明:月季品种是影响月季嫁接成活率的关键因子,相同条件下不同的月季品种嫁接在同一砧木上的成活率差异较大,选用不同的嫁接方法,嫁接成活率也有所不同,此外,嫁接部位对接穗成活率及新枝的生长速度影响很大. 相似文献
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用6个不同南瓜砧木品种嫁接薄皮甜瓜,研究南瓜砧木对薄皮甜瓜生长、产量及品质的影响。结果表明,各嫁接组合抗枯萎病能力、产量方面都显著提高,但抗白粉病能力及品质方面都有所降低。综合各方面看,选用砧木达美嫁接,嫁接苗成活率高,嫁接后甜瓜产量显著提高,比对照增产49.4%,抗枯萎病能力显著增强,中心含糖量和口感风味与对照相当,可作为今后嫁接栽培的理想砧木品种。 相似文献