Yield and profitability of ‘Conference’ pear in five training systems in North East of Spain

Lordan, Jaume; Alegre, Simó; Montserrat, R.; Asín, L.

doi:10.5424/sjar/2017153-10705

Cited by 10 publications

(13 citation statements)

References 32 publications

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“…In both cases, the maximum cumulative difference was 20 t/ha three (Kappel and Brownlee, 2001) and four (As ın et al, 2005) seasons after planting. Later evaluation showed trees on Tatura trellis cumulatively yielded 40 t/ha more than trees at the same density trained to a vertical axis 10 seasons after planting (Lordan et al, 2017). Notwithstanding the lack of statistically significant main effects of training systems for yield and yield parameters in this study, there was a tendency for lower fruit numbers and higher fruit weights in Open Tatura trellis compared with Vertical and Traditional training systems.…”

Section: Discussioncontrasting

confidence: 50%

“…The Goulburn Valley in Victoria is the major pear production region in Australia, producing 85% of the nation's crop of 103,748 t in 2017-18 (ABS, 2019. Pear orchardists in Australia have faced market and production challenges over the last 15 years that caused a decline in production from 147,688 t in 2005 (ABS, 2019).…”

mentioning

confidence: 99%

“…Reported benefits include: improved fruit quality, controlling vegetative vigor, simplifying pruning and harvest, enabling the use of picking platforms (or robotics), and decreasing the time to full production. Comparisons of training systems and tree densities for pears have been undertaken in South Africa, Canada, the United States, New Zealand, Europe, and Brazil, with different rootstocks available in these regions (As ın et al, 2005;du Plooy and van Huyssteen, 2000;Elkins and DeJong, 2002;Kappel and Brownlee, 2001;Lordan et al, 2017;Musacchi, 2011;Musacchi et al, 2005;Palmer, 2002;Pasa et al, 2015;Robinson, 2008;Robinson and Dominguez, 2015;Vercammen, 2011). No such studies have been undertaken in Australia.…”

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confidence: 99%

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Effects of Rootstock, Tree Density and Training System on Early Growth, Yield and Fruit Quality of Blush Pear

McClymont

Goodwin

Whitfield

et al. 2021

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Vegetative growth, orchard productivity, fruit quality and marketable yield were evaluated for rootstock (D6, BP1 and Quince A), tree density (741–4444 trees/ha), and training system (Open Tatura trellis, two-dimensional vertical and three-dimensional traditional) effects on young trees of the blush pear cultivar ‘ANP-0131’. ‘ANP-0131’ is a vigorous scion and vegetative growth, precocity, and yield were influenced by the selected rootstocks. Tree density and training system treatments exerted a substantial effect on canopy radiation interception while increasing tree density improved yield. Increasing tree density from 2222 (high density) to 4444 (ultra-high density) trees/ha did not improve cumulative yield. Crop load affected fruit size, such that “marketable” yield (yield of fruit weighing between 150 and 260 g) was greatest for trees on D6 rootstock and trained to Open Tatura trellis at high and ultra-high densities.

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Section: Discussioncontrasting

confidence: 50%

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confidence: 99%

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confidence: 99%

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Effects of Rootstock, Tree Density and Training System on Early Growth, Yield and Fruit Quality of Blush Pear

McClymont

Goodwin

Whitfield

et al. 2021

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“…Although several studies have reported a positive relationship between yield and planting density (Elkins and Dejong, 2002;Kappel and Brownlee, 2001;Robinson, 2008b;Sansavini and Musacchi, 2002;Vercammen, 1999), it is worth noting that there is a point where increasing planting density can decrease orchard profitability (Lordan et al, 2017a;Robinson, 2008a;Robinson et al, 2007). Dwarfing apple rootstocks, especially 'M.9' and 'M.26', have made possible the transition of entire fruitgrowing sectors to higher tree density and training systems over the last 50 years.…”

mentioning

confidence: 99%

Long-term Effects of Training Systems and Rootstocks on ‘McIntosh’ and ‘Honeycrisp’ Performance, a 15-year Study in a Northern Cold Climate—Part 1: Agronomic Analysis

Lordan¹,

Wallis²,

Francescatto³

et al. 2018

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Choice of cultivar, training system, planting density, and rootstock affect orchard performance and profitability. To provide guidance to growers in northern cold climates on these choices, a field trial was established in Peru, Clinton County, NY, in 2002, with two apple cultivars (Honeycrisp and McIntosh). From 2002 through 2016, we compared Central Leader on ‘M.M.111’; Slender Pyramid on ‘M.26’ and ‘Geneva® 30’ (‘G.30’); Vertical Axis on ‘M.9 (Nic® 29)’ (‘M.9’), ‘Budagovsky 9’ (‘B.9’), and ‘G.16’; SolAxe on ‘M.9’, ‘B.9’, and ‘G.16’; and Tall Spindle on ‘M.9’, ‘B.9’, and ‘G.16’. Central Leader was planted at 539 trees/ha, Slender Pyramid at 1097 trees/ha, Vertical Axis and SolAxe at 1794 trees/ha, and Tall Spindle at 3230 trees/ha. Cumulative yield was higher with ‘McIntosh’ than with ‘Honeycrisp’. High planting densities (Tall Spindle) gave the highest cumulative yields (593 t·ha−1 on ‘McIntosh’ and 341 t·ha−1 on ‘Honeycrisp’). Tall Spindle (3230 trees/ha) on ‘M.9’ appeared to be the best option for ‘McIntosh’. On the other hand, for a weak-growing cultivar such as ‘Honeycrisp’, Tall Spindle on ‘B.9’ (366 t·ha−1) and Slender Pyramid (1097 trees/ha) on ‘G.30’ (354 t·ha−1) were the two combinations with the highest cumulative yield, largest fruit size (220–235 g), and greatest efficiency index (4.6–3.9 kg·cm−2).

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“…where n n is the last period with a negative cumulative cash flow, C a is the absolute value of cumulative cash flow at the end of the period n n , and C b is the total cash flow during the period after n n . For the second step, since the planting phase usually represents the main cost item for poliannual crops [44][45][46], these four financial indicators, without considering the public grant for the planting phase according to Measure 121 of the 2007/2013 Sicilian RDP, have been recalculated. In this hypothesized scenario it was possible to compare the different discounted cash flows of each crop and better understand the incidence of EU public grants for the economic sustainability of surveyed crops.…”

Section: Financial Analysismentioning

confidence: 99%

Tropical Fruits as an Opportunity for Sustainable Development in Rural Areas: The Case of Mango in Small-Sized Sicilian Farms

et al. 2018

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Over the last decades, in many rural areas in Southern Europe, farmers have abandoned agricultural activity, especially on small-sized farms, leading to an exodus from rural areas towards urbanized ones. In this context, in the early 1980s, some Sicilian farmers introduced mango on their small-sized farms, as certain areas of Sicily are well suited to tropical and subtropical crops, but also to meet increasing consumer interest for these fruits, as they are perceived as functional foods. This paper aimed to evaluate the economic sustainability of mango and to determine whether its introduction could be considered as an alternative to traditional crops. In particular, an economic-financial analysis of mango orchards on small-sized Sicilian farms was performed by adopting a discounted cash flow approach. In order to provide as comprehensive information as possible, mango was compared with two traditional crops that have always played an important socioeconomic role in Southern Italy: wine grape and orange. Results showed a clear economic convenience for mango orchards, denoting an annual gross margin of 14,617.03 €/ha, on average 20 times higher than orange orchards and just less than 40 times higher in respect to vineyards. The higher profitability of mango was also confirmed without considering public grants for the planting phase, and by varying current sales prices and costs. However, it should be considered that the cultivation of mango could represent an opportunity for sustainable development only for certain Sicilian areas, as it is closely related to favorable pedo-climatic conditions.

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Yield and profitability of ‘Conference’ pear in five training systems in North East of Spain

Cited by 10 publications

References 32 publications

Effects of Rootstock, Tree Density and Training System on Early Growth, Yield and Fruit Quality of Blush Pear

Effects of Rootstock, Tree Density and Training System on Early Growth, Yield and Fruit Quality of Blush Pear

Long-term Effects of Training Systems and Rootstocks on ‘McIntosh’ and ‘Honeycrisp’ Performance, a 15-year Study in a Northern Cold Climate—Part 1: Agronomic Analysis

Tropical Fruits as an Opportunity for Sustainable Development in Rural Areas: The Case of Mango in Small-Sized Sicilian Farms

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