三种半矮秆砧木繁殖方式对苗圃甜樱桃幼树生长及生理过程活性的影响

IF 0.6 4区 农林科学 Q4 HORTICULTURE Acta Scientiarum Polonorum Hortorum Cultus Pub Date : 2023-08-31 DOI:10.24326/asphc.2023.5024
S. Świerczyński
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引用次数: 0

摘要

降低甜樱桃树活力的砧木目前在果园生产中需求量很大。然而,它们对苗圃生产的适用性尚未得到充分验证。主要通过体外培养获得它们的方法也存在困难,这与高昂的价格有关。实验比较了四个甜樱桃品种的幼树在降低其活力的砧木“Gisela 5”、“Krymsk 5;,和“Pi-ku 1”。此外,还对使用枝条插条以较便宜的方式生产的砧木与体外生产的砧木进行了比较评估。在‘Krymsk 5’砧木上获得的幼树效率低于其他两个砧木。相比之下,在这种砧木上的幼树的活力明显更强。一般来说,来自体外的砧木产生的幼树比例更高。此外,对于大多数测试的品种和年份,通过这种方式获得的砧木改善了树木的生长,这取决于它们的侧枝直径和长度。幼树的生理过程的活性随着砧木的使用而变化。“Krymsk 5”砧木上的幼树最常见的特征是三个测试参数(E、C和I CO2)的最低水平。皮枯1号砧木的净光合强度最低。
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Influence of the propagation method of three semidwarf rootstocks on the growth and activity of the physiological processes of maiden sweet cherry trees in a nursery
Rootstocks that reduce the vigor of sweet cherry trees are currently in high demand in orchard production. However, their suitability for nursery production is not fully verified. There are also difficulties in the method of their obtaining, mainly through in vitro cultures, which is associated with high prices. The experiment compared the growth of maiden trees of four sweet cherry varieties on rootstocks that reduce their vigor, ‘Gisela 5’, ‘Krymsk 5;, and ‘Pi-ku 1’. In addition, rootstocks produced by cheaper means using shoot cuttings were evaluated compared with those from in vitro. The lower efficiency of maiden trees was obtained on the ‘Krymsk 5’ rootstock than on the other two rootstocks. In contrast, the vigor of maiden trees on this rootstock was significantly more potent. Generally, rootstocks derived from in vitro yielded a higher percentage of maiden trees. Additionally, for most of the varieties and years tested, the rootstocks obtained in this way improved the growth of the trees as determined by their diameter and length of the lateral shoots. The activity of the physiological processes of the maiden trees varied with the rootstock used. Maiden trees on the ‘Krymsk 5’ rootstock were most often characterized by the lowest levels of the three tested parameters (E, C, and I CO2). Meanwhile, the net photosynthetic intensity was lowest on the ‘Pi-ku 1’ rootstock.
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来源期刊
CiteScore
1.30
自引率
14.30%
发文量
61
审稿时长
4-8 weeks
期刊介绍: In Acta Scientiarum Polonorum Hortorum Cultus we publish original research papers and review articles containing new and significant information on broad aspects of horticulture and related disciplines. The papers are published in English only, in six issues yearly.
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