Effect of rooting hormones and media on vegetative propagation of Bougainvillea

IF 1.1 Q3 HORTICULTURE

Ornamental Horticulture Pub Date : 2023-01-01 DOI:10.1590/2447-536x.v29i3.2637

Jebina Shrestha, Nirajan Bhandari, Swastika Baral, Sharad Parasar Marahatta, Umed Pun

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Abstract

Abstract The propagation success of bougainvillea through hardwood stem cutting varied with rooting hormones and rooting media. This experiment was carried out to study the effect of rooting hormone and rooting media on hardwood cuttings of Bougainvillea glabra cv. Double Red during April-July, 2021. The treatments were combination of rooting hormones [Indole-3-Butyric Acid (500 mg L-1), Indole-3-Butyric Acid (1,000 mg L-1), Naphthalene Acetic Acid (1,500 mg L-1), Naphthalene Acetic Acid (3,000 mg L-1), Rootex C] and different rooting media (soil and farmyard manure, sand and farmyard manure, sand and cocopeat) in 1:1 ratio. Cuttings without rooting hormones served as control. We observed earliest sprouting (10.33 days) of cuttings treated with IBA (500 mg L-1) and planted in sand and cocopeat. The highest sprouting percent (100%) and length of longest sprout (49 cm) were recorded when cuttings were treated with Rootex C and planted in sand and cocopeat. The highest shoot fresh weight (10.04 g), shoot dry weight (2.09 g), length of root (13.75 cm), number of roots (34.17), root fresh weight (2.33 g) and root dry weight (0.24 g) was observed in cuttings treated with IBA (1000 mg L-1) and planted in sand and cocopeat. The effect of rooting hormone and rooting media on the diameter of sprouts, rooting percentage, and transplanting success percentage was non-significant. Considering economically important parameters (sprouting percentage and length of longest sprout), this study revealed that sand and cocopeat with Rootex C was the best combination for the propagation of bougainvillea.

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生根激素和培养基对三角梅无性繁殖的影响

三角梅硬木扦插繁殖成功率随生根激素和生根介质的不同而不同。本试验研究了生根激素和生根介质对三角梅(Bougainvillea glabra cv)硬木扦插的影响。2021年4月至7月期间的重红色。生根激素[吲哚-3-丁酸(500 mg L-1)、吲哚-3-丁酸(1000 mg L-1)、萘乙酸(1500 mg L-1)、萘乙酸(3000 mg L-1)、Rootex C]与不同生根介质(土壤与农家肥、沙子与农家肥、沙子与鸡粪)按1:1的比例组合处理。不含生根激素的插枝作为对照。结果表明，500 mg L-1 IBA处理后的插枝发芽最早，为10.33 d。用Rootex C处理的插枝在砂和椰土中种植时，出芽率最高(100%)，最长芽长(49 cm)。幼苗鲜重(10.04 g)、干重(2.09 g)、根长(13.75 cm)、根数(34.17 cm)、根鲜重(2.33 g)和根干重(0.24 g)均以IBA (1000 mg L-1)处理的扦插苗最高。生根激素和生根培养基对芽直径、生根率和移栽成功率的影响不显著。综合考虑重要的经济参数(发芽率和最长芽长)，本研究表明，沙和cocopin with Rootex C是九重葛繁殖的最佳组合。

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来源期刊

Ornamental Horticulture Agricultural and Biological Sciences-Horticulture

CiteScore

2.20

自引率

14.30%

发文量

审稿时长

50 weeks

期刊介绍： The Journal ORNAMENTAL HORTICULTURE - OH (Revista Brasileira de Horticultura Ornamental) is an official publication of the Brazilian Society for Floriculture and Ornamental Plants (Sociedade Brasileira de Floricultura e Plantas Ornamentais) - SBFPO Short title of the journal: ORNAM. HORTIC. This Journal aim to publish technical and scientific researches in floriculture, ornamental plants, landscaping and landscapes from members of this Society and others. The manuscripts can be submitted in portuguese, but publication must be in English language (U.S.). All the manuscripts submitted to Ornamental Horticulture (Revista Brasileira de Horticultura Ornamental) - OH must not have been submitted or published at the same time, partial or totally, to other journal. It is allowed to read, download, copy, distribute, print, search, or link to parts or the full texts to use them for any other lawful purpose. The reproduction of articles published in this journal is authorized, under the condition that the source is acknowledged.