使用生长调节剂生产观赏花椰菜

IF 0.7 4区 农林科学 Q4 HORTICULTURE
A. G. Teixeira, M. D. C. Parajara, Fábio Luiz Oliveira, M. Zucoloto, L. Dalvi
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引用次数: 0

摘要

花椰菜等具有明确形态特征的蔬菜已成为观赏植物市场上的创新产品。本研究旨在评价多效唑经土壤施用对花椰菜观赏效果的影响。采用完全随机设计,5个处理,7个重复。处理包括生长调节剂多效唑(PBZ)的剂量(0.5;1.0;1.5;2.0 mg dm-3)和对照(不应用)。在营养生长方面,我们评估了叶片数、茎粗、株高、叶面积、总叶绿素、类黄酮指数和氮平衡。为了生产,我们评估了茎和根的新鲜质量,鲜重和干重,花序的直径和长度。PBZ的施用促进了花椰菜发育的显著变化,植株更加紧凑,茎短,叶小,绿色更浓(目视),花序发射也更早。结果表明,施用0.5 mg dm-3的PBZ可获得更高的鲜重和干重、直径和更长的花序,表明PBZ有潜力获得小型花椰菜,服务于盆栽市场。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Ornamental cauliflower production using growth regulator
ABSTRACT Some vegetables have been used as an innovation in the ornamental plant market, such as cauliflower, which has well-defined morphological traits. This study aimed to evaluate the effect of paclobutrazol, applied via soil, in order to produce cauliflower for ornamental purposes. The design used was completely randomized with five treatments and seven replicates. The treatments consisted of doses of the growth regulator paclobutrazol (PBZ) (0.5; 1.0; 1.5; 2.0 mg dm-3) and the control (without application). For vegetative growth, we evaluated number of leaves, stem diameter, plant height, leaf area, total chlorophyll, flavonoid index, and nitrogen balance. For production, we evaluated fresh mass of shoot and root, fresh and dry weight, diameter and length of the inflorescences. The application of PBZ promoted significant changes in the development of the cauliflower, resulting in more compact plants, with shorter stems, smaller leaves and a more intense green color (visual observation), and also early inflorescence emission. The authors verified higher fresh and dry weight, diameter and longer inflorescence with application of 0.5 mg dm-3 of PBZ, demonstrating the potential of PBZ to obtain mini cauliflower to serve the potted plant market.
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来源期刊
Horticultura Brasileira
Horticultura Brasileira 农林科学-园艺
CiteScore
1.40
自引率
28.60%
发文量
45
审稿时长
4-8 weeks
期刊介绍: The journal Horticultura Brasileira, a quarterly journal, is the Official Publication of the Sociedade de Olericultura do Brasil. Its abbreviated title is Hortic. bras., and it should be used in bibliographies, footnotes, references and bibliographic strips.
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