生物刺激剂和吲哚丁酸促进不同葡萄藤砧木的扦插生根

IF 1.1 4区 农林科学 Q4 FOOD SCIENCE & TECHNOLOGY
A. Brighenti, F.R. de Freitas, I. Malohlava, Thainá Carolina Graciano Votre, J. Voltolini, A. L. da Silva, N. P. Feldberg, Douglas André Würz
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引用次数: 0

摘要

砧木的生根被认为是生产优质葡萄种植材料的关键环节。为了使扦插生根过程最大化,植物激素(如生长素)被用于不定根的发育。此外,部分生物刺激剂以促进根系发育为主要作用,保证植物地上部分的良好生长。然而,利用藻类提取物为基础的生物刺激素对葡萄根茎无性繁殖的研究很少。从这个意义上说,本研究的目的是评价以藻类提取物和吲哚丁酸(IBA)为基础的生物刺激素在葡萄砧木根系发育和营养生长中的应用。评价的砧木为‘3309 C’、‘101-14 Mgt’、‘Paulsen 1103’、‘99 R’、‘110 R’、‘Kober 5BB’、‘SO4’、‘420A Mgt’、‘Solferino’、‘Gravesac’、‘IAC 572’、‘IAC 766’、‘IAC 313’、‘Harmony’、‘Freedom’、‘Salt Creek’和‘VR 043- 43’。试验设计为完全随机4个重复,按因子方案安排,17根砧木分别采用IBA、藻类提取物、IBA +藻类提取物和对照4种刺激生根处理。采用吲哚丁酸和藻类提取物为基础的生物刺激素对不同砧木的木本插条生根效果显著。使用IBA、藻类提取物为基础的生物刺激素以及IBA与藻类提取物联合使用,其生根率和发芽率均高于对照。生根率和营养发育最高的砧木是‘IAC 572’和‘Freedom’。‘Gravesac’、‘101 ~ 14 Mgt’和‘99 R’的生根率和根系发育率较高,但营养发育率较低。生根率和营养发育最低的砧木是‘盐溪’、‘VR 043-43’和‘110 R’。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Biostimulants and indolebutyric acid improve rooting of wood cuttings from different grapevine rootstocks
The rooting of rootstocks is considered a critical point in the production of high-quality grapevine planting material. To maximize the cutting rhizogenesis process, plant hormones, such as auxins, are used for the development of adventitious roots. In addition, some groups of biostimulant have as their main role the development of root system, ensuring good growth of the plant aerial part. However, research using algae extract-based biostimulants in vegetative propagation of vine rootstocks is scarce. In this sense, the objective of this work was to evaluate the use of the biostimulant based on algae extract and indolebutyric acid (IBA), in the development of the root system and vegetative growth of grapevine rootstocks. The rootstocks evaluated were ‘3309 C’, ‘101-14 Mgt’, ‘Paulsen 1103’, ‘99 R’, ‘110 R’, ‘Kober 5BB’, ‘SO4’, ‘420A Mgt’, ‘Solferino’, ‘Gravesac’, ‘IAC 572’, ‘IAC 766’, ‘IAC 313’, ‘Harmony’, ‘Freedom’, ‘Salt Creek’ and ‘VR 043- 43’. The experimental design was completely randomized with four replications, arranged in a factorial scheme, involving 17 rootstocks associated with four treatments to stimulate rooting (IBA, algae extract, IBA + algae extract and control). The use of indolebutyric acid and algae extract-based biostimulant proved to be efficient in rooting woody cuttings from different vine rootstocks. The use of IBA, algae extract-based biostimulant and IBA combined with algae extract resulted in higher rates of rooting and development than the control. The rootstocks presenting the highest rooting rates and vegetative development were ‘IAC 572’ and ‘Freedom’. ‘Gravesac’, ‘101-14 Mgt’ and ‘99 R’, showing high rates of rooting and root development, but low vegetative development. The rootstocks exhibiting the lowest rooting rates and vegetative development were ‘Salt Creek’, ‘VR 043-43’ and ‘110 R’.
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来源期刊
Ciencia E Tecnica Vitivinicola
Ciencia E Tecnica Vitivinicola Agricultural and Biological Sciences-Food Science
自引率
12.50%
发文量
5
期刊介绍: Ciência e Técnica Vitivinícola (Journal of Viticulture and Enology) is an international journal that publishes original articles, research notes and review articles, written in Portuguese or in English, on the various fields of the science and technology of vine and wine: Viticulture, Enology and Vitivinicultural economy.
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