Number of leaflets on rooting of lychee herbaceous cuttings

Alves, Ediane Conceição; Guimarães, João Emmanuel Ribeiro; Franco, Camila Kauffmann Becaro; Martins, Antônio Baldo Geraldo

doi:10.1590/0103-8478cr20140435

Cited by 4 publications

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“…A common practice in modern day cannabis production, based on our communications with Canadian medical cannabis producers and gray resources (Cervantes 2006), is to keep 2 to 3 leaves on each cutting and to remove about one-third of the leaf tips. The optimal leaf number on stem cuttings varies between species (Machida et al 1977;Aminah et al 1997;Alves et al 2016), so species-specific evaluations are necessary.…”

Section: Introductionmentioning

confidence: 99%

Vegetative propagation of cannabis by stem cuttings: effects of leaf number, cutting position, rooting hormone, and leaf tip removal

et al. 2018

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This study evaluated the influence of several factors and their interactive effects on the propagation success of stem cuttings of cannabis (Cannabis sativa L.). Factors included (i) leaf number (two or three), (ii) leaf tip removal (one-third of leaf tips removed), (iii) basal/apical position of stem cutting on the stock plant, and (iv) rooting hormone [0.2% indole-3-butyric (IBA) acid gel or 0.2% willow (Salix alba L.) extract gel]. Cuttings were placed in a growth chamber for twelve days and then assessed on their rooting success rate and root quality using a relative root quality scale. The IBA gel delivered a 2.1× higher rooting success rate and 1.6× higher root quality than the willow extract. Removing leaf tips reduced rooting success rate from 71% to 53% without influencing root quality. Cuttings with three leaves had 15% higher root quality compared with those with two, but leaf number did not influence rooting success rate. Position of cutting had little effect on rooting success or quality. To achieve maximum rooting success and root quality, cuttings from either apical or basal positions should have at least three fully expanded uncut leaves and the tested IBA rooting hormone is preferred to the willow-based product.

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Section: Introductionmentioning

confidence: 99%

Vegetative propagation of cannabis by stem cuttings: effects of leaf number, cutting position, rooting hormone, and leaf tip removal

et al. 2018

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“…La ausencia total de foliolos en estacas de Litchi chinensis Sonn. generó la muerte de estas y la presencia de, al menos, un foliolo fue suficiente para tener promedios de sobrevivencia sobre 70 % y con cuatro foliolos se aumentó a 95 %, alcanzando también el máximo enraizamiento de 60 % (Alves et al 2016).…”

Section: Resultsunclassified

“…Al respecto, Alves et al (2016) señalan que esta concentración de AIB ha permitido obtener respuestas satisfactorias, en varios estudios con estacas de especies frutales.…”

Section: Resultsunclassified

Efecto del ácido indolbutírico (AIB) y edad de las estacas en el enraizamiento de Myrceugenia exsucca

Muñoz

Molina

2016

Bosque (Valdivia)

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SUMMARYAmong the species that live in wetlands Myrceugenia exsucca is a highly important tree for the protection of areas with frequent flooding, edges in watercourses and streams. This study therefore is aimed at evaluating the effect of the application of indole butyric acid (IBA) and the age of the material on rooting in the M. exsucca cuttings. A completely randomized design, factorial, with two types of cutting: juvenile and mature, and six concentrations of IBA (0, 1,000, 2,000, 3,000, 4,000 and 5,000 mg L -1 ) were tested. Six replications; each replicate consisted of 10 cuttings. The trial was conducted in a warm bed, with temperatures between 20 and 25 °C. The variables studied were: survival (%), callus formation (%), rooting (%), root number, root length (cm) and new leaves. The age of cuttings had significant effects on all variables. The application of IBA had significant effects on the survival and rooting cuttings. The best results, over 85 % of rooting were obtained with cuttings from juvenile material and with the two higher doses of IBA.Key words: Myrceugenia exsucca, vegetative propagation, swamp forest. RESUMENEntre las especies que habitan humedales se encuentra Myrceugenia exsucca, árbol de gran importancia para la protección de áreas con frecuente anegamiento, orillas en cursos de agua y quebradas. El objetivo del estudio fue evaluar el enraizamiento de M. exsucca al usar dos tipos de esquejes y aplicar distintas concentraciones de ácido indolbutírico (AIB). Se usó un diseño completamente aleatorizado, factorial, con estacas juveniles y maduras y se probaron diferentes concentraciones de AIB (0, 1.000, 2.000, 3.000, 4.000 y 5.000 mg L -1 ). Se hicieron seis repeticiones, cada una de ellas con 10 estacas. El ensayo se realizó en cama caliente, con temperaturas entre 20 y 25 °C. Las variables estudiadas fueron: sobrevivencia (%), estacas con callo (%), enraizamiento (%), número de raíces, longitud de raíces (cm) y número de hojas nuevas. La edad de la estaca influyó significativamente en todas las variables evaluadas. La aplicación de AIB afectó significativamente la sobrevivencia y enraizamiento de esquejes. Los mejores resultados, sobre 85 % de estacas enraizadas, se lograron con esquejes provenientes de material juvenil y con las dos mayores dosis de AIB.Palabras clave: Myrceugenia exsucca, propagación vegetativa, bosques higrófilos.

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“…In Brazil, the litchi was introduced in 1810 and by 1970 commercial production began in São Paulo (Yamanishi et al 2010). Currently, it is one of the most popular exotic fruits in the country (Alves et al 2016), with the "Bengal" variety being the most consumed (Suguino 2006). Harvesting is carried out between November and January (Martins et al 2001;Yamanishi et al 2001), when the demand for fruit is high and there is no competition from other countries (Lins et al 2015).…”

Section: Introductionmentioning

confidence: 99%

Manejo del ácaro Aceria litchii (Acari: Eriophyidae) en Litchi chinensis

Castro

Plata-Rueda

Silva

et al. 2018

Rev. Colomb. Entomol.

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El cultivo del litchi, Litchi chinensis, tiene gran popularidad en el mercado internacional. El ácaro del litchi, Aceria litchii (Eriophyidae), es una de las principales plagas de este cultivo, se alimenta de hojas, sobre todo en la parte inferior de las plantas que forman eríneos. El objetivo de esta revisión es presentar los principales métodos de control y proponer técnicas de manejo en el sistema de producción integrado del cultivo de L. chinensis. Se detectaron infestaciones de A. litchii en los huertos de Brasil en 2008 y el uso de insecticidas químicos es el principal método de control de esta plaga. La combinación de métodos de cultivo biológico y químico hace que el sistema sea más satisfactorio en el largo plazo. El control y la prevención del ácaro del litchi son clave para reducir su propagación y establecimiento.

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Number of leaflets on rooting of lychee herbaceous cuttings

Abstract: Lychee is one of the most popular exotic fruits in

Cited by 4 publications

References 4 publications

Vegetative propagation of cannabis by stem cuttings: effects of leaf number, cutting position, rooting hormone, and leaf tip removal

Vegetative propagation of cannabis by stem cuttings: effects of leaf number, cutting position, rooting hormone, and leaf tip removal

Efecto del ácido indolbutírico (AIB) y edad de las estacas en el enraizamiento de Myrceugenia exsucca

Manejo del ácaro Aceria litchii (Acari: Eriophyidae) en Litchi chinensis

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