Cloning of rootstock selections and Prunus spp. cultivars by softwood cuttings

Mayer, Newton Alex; Ueno, B.; Rickes, Tamara Bohrer; Resende, Marcus Vinícius Lima Andrade de

doi:10.1016/j.scienta.2020.109609

Cited by 6 publications

(18 citation statements)

References 20 publications

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“…Leaves are essential for softwood cuttings of peach and several other species (Hartmann et al, 2002;Thomas & Schiefelbein, 2004;Santoro et al, 2010;Mayer et al, 2014b;Mayer et al, 2015a;Tombesi et al 2015;Mayer et al, 2018). There are several factors that can contribute to the early original leaf fall on cuttings under intermittent mist system, such as the deficient nutrition of mother tree, inappropriate shoots for cutting preparation (date, type, age, size, diameter, health, etc...), endogenous hormonal balance favorable to leaf senescence, genetics, leaf and petiole morphology, water stress (from the air and/or substrate), inadequate regulation of mist system, thermal stress (especially air temperature differences between day and night), fungal diseases, and inappropriate containers and/ or substrates (Hartmann et al, 2002;Osterc et al, 2009;Osterc & Štampar, 2011;Neèas & Krška, 2013;Ruter, 2015;Fragoso et al, 2015;Mayer et al, 2015a;Mayer et al, 2020). Some of these factors usually occur simultaneously, to a greater or lesser degree, and, in most cases, it is difficult to identify a single factor as the causal agent of early original leaf fall.…”

Section: Discussionmentioning

confidence: 99%

“…The cutting base was immersed in a hydroalcoholic solution at 50% (hydrated ethyl alcohol 96° GL + distilled water) of 4, 3 -indolylbutyric acid -IBA (C 12 H 13 NO 2 , purity >98%, Vetec ® ) at 3,000mg.L -1 by fast immersion of 5 seconds (Figure 1d.) (Hartmann et al, 2002;Mayer et al, 2018;Mayer et al, 2020). Trial 2 was set up on 13 th and 14 th , January/ 2019, with same methodology adopted in trial 1.…”

Section: Methodsmentioning

confidence: 99%

“…Intermittent mist system was programmed by a timer to be activated for 10 seconds each 5 minutes, in the first 20 days of each trial, which allowed maintenance of constant moist on leaf surface (Ruter, 2015;Mayer et al, 2018;Mayer et al, 2020). In the following days, off-period was gradually increased at night until 45 th and, after that, completely turned-off at night.…”

Section: Methodsmentioning

confidence: 99%

“…As many species within the genus Prunus are difficult to root (Anderson et al, 2016) and rooting of softwood cuttings is influenced by genetics (Hartmann et al, 2002;Neèas & Krška, 2013;Mayer et al, 2014b;Mayer et al, 2015a;Anderson et al, 2016;Mayer et al, 2020), our hypothesis is that rootstock selections have a different potential for adventitious rooting of cuttings. The objective was to evaluate adventitious root potential in softwood cuttings from three cultivars and several clonal selections of Prunus spp.…”

Section: Introductionmentioning

confidence: 90%

“…So, that is difficult to adjust mist schedule to maintain leaves adequately moistened during the day (with temperatures greater than 40°C), without causing the substrate to soak during the night, when temperatures fall around 15°C. Additionally, fine vermiculite + perlite mixture (1:1) used as a substrate, combined with plastic boxes characteristics, probably were not sufficient for perfect drainage, and had a similar performance to pure fine vermiculite (Mayer et al, 2020).…”

Section: Rootstockmentioning

confidence: 99%

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Adventitious rooting of cultivars and clonal selections of Prunus spp. rootstock under intermittent mist system

2021

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To reduce peach tree losses due the Peach Tree Short Life (PTSL), the main research line in Brazil is to select tolerant rootstock and perpetuate it by cloning methods. The objective was to evaluate adventitious rooting capacity of softwood cuttings of three cultivars and several clonal rootstock selections of Prunus spp., under intermittent mist system. Two trials were conducted and 'Capdeboscq', 'Okinawa' (P. persica) and 'Sharpe' ['Chickasaw' (P. angustifolia Marsh.) x Prunus spp.] were used as reference cultivars. After 53 days (trial 1) and 72 days (trial 2) from the cutting setting, we conclude that softwood cuttings under intermittent mist system are a feasible way to propagate peach rootstock selections of 2010/2011 PTSL selection cycle. Root quality was satisfactory in most selections, with high percentages of cuttings suitable for transplanting and excellent root number and root length. OS-GRA-10-17, VEH-GRA-10-31, VEH-GRA-10-32, VEH-GRA-10-37 and VEH-GRA-10-38 selections had the highest mortality and the lower percentages of live rooted cuttings. The ease of vegetative propagation must be taken into account in more promising rootstock.

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Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 90%

Section: Rootstockmentioning

confidence: 99%

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Adventitious rooting of cultivars and clonal selections of Prunus spp. rootstock under intermittent mist system

2021

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Performance of clonal rootstocks for ‘BRS-Kampai’ peach and own-rooted trees in a mild-winter region

Camargo,

Penso,

Pertille

et al. 2024

Ciênc. agrotec.

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The worldwide main peach-producing are adopting peach training systems with canopy size-controlling clonal rootstocks. However, most peach seedlings commercialised in Brazil are still on seed-propagated rootstocks, which are vigorous and heterogeneous. This study aimed to select rootstocks which induce desirable characteristics of fruit quality, yield efficiency, size control, adaptability and stability in the ‘BRS-Kampai’ grown in subtropical regions with mild winters. We used adaptability and stability methodology and multivariate selection index to determine yield components and fruit quality. The experiment was conducted in five cycles. The treatments consisted of ‘BRS-Kampai’ grafted onto 17 clonal rootstocks of Prunus spp. and own-rooted trees. The evaluated variables were yield per tree, yield per area, fruit mass, fruit diameter, fruit firmness, soluble solids content, titratable acidity, canopy volume and yield efficiency. The rootstocks ‘Ishtara®’, ‘Genovesa’, ‘Santa Rosa’ and ‘Cadaman’ always induced low yield and low fruit quality when used as clonal rootstocks for the ‘BRS-Kampai’ and showed no potential for use as rootstocks in subtropical humid regions with mild winters. The ‘BRS-Kampai’ own-rooted peach trees or those grafted onto ‘Flordaguard’, ‘Okinawa’ are alternatives for peach cultivation under the edaphoclimatic conditions of Pato Branco-PR, although the training and pruning systems must be adjusted due to high vigour. The clonal rootstocks ‘Tsukuba-3’ and ‘Tsukuba-2’ induced the highest production performance in the canopy cultivar BRS-Kampai, combining fruit quality, yield with higher stability, and yield efficiency making them the most suitable ones among the studied rootstocks.

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Enraizamento adventício em estacas herbáceas de Prunus spp.

Nicolao

Mayer

Munhoz

et al. 2021

Agrotec

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A facilidade de propagação vegetativa por estacas herbáceas é uma das características almejadas no trabalho de seleção de porta-enxertos de Prunus spp. melhor adaptados às condições edafoclimáticas do Rio Grande do Sul. O objetivo do presente trabalho foi avaliar a viabilidade técnica da propagação de estacas herbáceas de 17 seleções de porta-enxertos de pessegueiro [Prunus persica (L.) Batsch] sob câmara de nebulização intermitente, adotando-se três cultivares como referência (Capdeboscq, Okinawa e Sharpe). A propagação por meio de estacas herbáceas mostrou-se tecnicamente viável para todas as 17 seleções clonais testadas, de forma que nenhuma pode ser descartada em etapas subsequentes de avaliação. Existe variabilidade entre as seleções de porta-enxerto quanto à resposta rizogênica de estacas herbáceas, sendo que algumas seleções se equivalem ou são superiores às cultivares de referência. Dentre as seleções, destacaram-se GKM-ELD-10-77 e EF-SAU-10-83 (número de raízes por estaca), EF-SAU-10-82 e EF-SAU-10-85 (estacas enraizadas vivas) e VS-ELD-10-60, DF-GRA-10-64, GKM-ELD-10-69 e EF-SAU-10-79 (estacas enraizadas aptas ao transplante).

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Cloning of rootstock selections and Prunus spp. cultivars by softwood cuttings

Cited by 6 publications

References 20 publications

Adventitious rooting of cultivars and clonal selections of Prunus spp. rootstock under intermittent mist system

Adventitious rooting of cultivars and clonal selections of Prunus spp. rootstock under intermittent mist system

Performance of clonal rootstocks for ‘BRS-Kampai’ peach and own-rooted trees in a mild-winter region

Enraizamento adventício em estacas herbáceas de Prunus spp.

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