切屑和记分技术对羊绒品种鳞茎产量的影响

IF 2.1 Q2 PLANT SCIENCES

Acta Agrobotanica Pub Date : 2019-03-29 DOI:10.5586/AA.1760

A. Kapczyńska

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引用次数: 1

摘要

知母属（天门冬科）代表了原产于南部非洲的壮观且植物多样的观赏性球茎物种。本研究的主要目的是首次确定通过两种体内技术繁殖lachenalia品种（“Namakwa”、“Rainbow Bells”、“Rupert”）的可能性：切片和评分，这两种技术可用于球茎生产程序。在实验的第二部分中，对温室栽培第一季后的植株生长和球茎质量进行了评估。试验品种的鳞茎鳞片节段和评分鳞茎的存活率在62%至95%之间。削片法为每个母球茎产生8个小鳞茎，平均重量和直径分别为0.17克和0.29厘米，而为每个母鳞茎评分为2/3个小鳞茎的平均重量和平均直径分别为0.28克和0.5厘米。在种植的第一个季节，通过削片获得的球茎比通过评分技术获得的球茎长出更长的叶子。只有通过评分获得的“Rupert”的球根显示出开花能力（“Namakwa”和“Rainbow Bells”仍处于幼年期）。在评估第一季栽培后的鳞茎产量时，发现无论栽培品种如何，通过切块获得的鳞茎的重量系数都是通过评分获得的鳞茎重量系数的两倍。

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Effect of chipping and scoring techniques on bulb production of Lachenalia cultivars

The genus Lachenalia (Asparagaceae) represents spectacular and botanically diverse ornamental, bulbous species originating from Southern Africa. The main aim of this study was to determine, for the first time, the possibility of propagation of lachenalia cultivars (‘Namakwa’, ‘Rainbow Bells’, ‘Rupert’) by two in vivo techniques: chipping and scoring, which can be applied in procedures of bulb production. In the second part of the experiment, the plant growth and the quality of bulblets after the first season of cultivation in a greenhouse were estimated. The survival ability of bulb-scale segments and scored bulbs of the tested cultivars ranged from 62% to 95%. Chipping method generated eight bulblets per mother bulb with an average weight and diameter of 0.17 g and 0.29 cm, respectively, while scoring two/three bulblets per mother bulb with an average weight and diameter of 0.28 g and 0.5 cm, respectively. In the first season of cultivation, bulblets obtained by chipping produced longer leaves than those obtained by scoring technique. Only bulblets of ‘Rupert’ obtained by scoring showed the capacity to flower (‘Namakwa’ and ‘Rainbow Bells’ remained in a juvenile phase). When assessing the bulb yield after the first season of cultivation, it was found that irrespective of cultivar, bulbs obtained by chipping achieved twice the weight coefficient of those obtained by scoring.

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来源期刊

Acta Agrobotanica Agricultural and Biological Sciences-Agronomy and Crop Science

CiteScore

2.90

自引率

25.00%

发文量

审稿时长

16 weeks

期刊介绍： The Acta Agrobotanica publishes mainly significant, original research papers presenting the results new to the biology of cultivable or wild plants accompanying crops. The submissions dedicated particularly to flora and phytocenoses of anthropogenically transformed areas, bee pastures, nectariferous and polleniferous taxa, plant-pollinator relationships, urban and rural habitats for entomofauna, cultivated plants, weeds, aerobiology, plant pathogens and parasites are encouraged and accepted. Besides the original research papers, authors may submit short communications and reviews. The journal also publishes the invited papers in case of new developments in plant science. All submissions must be written in good English, which is solely a responsibility of the authors.