Intensive sweet cherry production on dwarfing rootstocks revisited

Koumanov, K.; Staneva, I.; Kornov, G.; Germanova, Daniela R.

doi:10.1016/j.scienta.2017.11.009

Cited by 11 publications

(3 citation statements)

References 39 publications

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“…RDI strategies have been reported as an effective method to control excessive vegetative growth and vigor in sweet cherry trees [32][33][34]. However, in sweet cherry, fruit size is strongly linked to LA:F ratio, so an excessive reduction in the total leaf area could result in the production of small fruit, particularly in high cropping seasons when the LA:F ratio is low and the competition for photoassimilates among fruits would generate a source-sink limitation [35,36]. Our results show that LA:F ratios up to 180 cm 2 fruit −1 for 'Prime Giant'/'SL64' did not limit fruit unitary mass and ensure the availability of photoassimilates to obtain high quality fruit ( Figure 4D).…”

Section: Discussionmentioning

confidence: 99%

Influence of Regulated Deficit Irrigation and Environmental Conditions on Reproductive Response of Sweet Cherry Trees

Blanco

Blaya-Ros

Torres-Sánchez

et al. 2020

Plants

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The reproductive response of fifteen year old sweet cherry trees (Prunus avium L.) combination ‘Prime Giant’/SL64 under Mediterranean climate to deficit irrigation was studied in a commercial orchard in south-eastern Spain for four seasons. Three irrigation treatments were assayed: (i) control treatment, irrigated without restrictions at 110% of seasonal crop evapotranspiration; (ii) sustained deficit irrigation treatment, irrigated at 85% ETc during pre-harvest and post-harvest periods, and at 100% ETc during floral differentiation, and (iii) regulated deficit irrigation treatment, irrigated at 100% ETc during pre-harvest and floral differentiation and at 55% ETc during post-harvest. The duration and intensity of the phenological phases of sweet cherry trees, including cold accumulation, flowering, fruit set or fruit and vegetative growth, were assessed to ascertain whether the different irrigation strategies imposed affect the trees’ reproductive response (fruit yield, fruit size, leaf area, fruit physiological disturbances, and starch and soluble carbohydrates stock) in the same season or have a negative effect in the next season. Deficit irrigation did not advance, enhance or penalize flowering, fruit set or fruit growth. Neither did it diminish carbohydrate concentration in roots or cause an increase in the number of double fruits, which was more linked to high temperatures after harvest. However, deficit irrigation decreased vegetative growth and consequently the leaf area/fruit ratio, which, when it fell below 180 cm2 fruit−1, affected cherry size.

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Section: Discussionmentioning

confidence: 99%

Influence of Regulated Deficit Irrigation and Environmental Conditions on Reproductive Response of Sweet Cherry Trees

Blanco

Blaya-Ros

Torres-Sánchez

et al. 2020

Plants

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“…In addition, there were no significant differences between the covered and open trees in LA/F ratio, where LA ranged between 186 and 200 cm 2 per fruit (Table 3). An adequate LA/F ratio ensures availability of photoassimilate to obtain high quality fruit Ayala and Lang, 2017;Koumanov et al, 2018;Villasante et al, 2012). In this study, LA/F ratios were higher than the optimum of 99 cm 2 per fruit proposed by Usenik et al (2010) for the mid-season cultivars 'Lapins'/'Gisela 5', but lower than proposed by Whiting and Lang (2004) 244 cm 2 per fruit for another mid-season cultivar 'Bing'/'Gisela 5'.…”

Section: Discussioncontrasting

confidence: 56%

Agronomic and physiological basis for automating regulated deficit irrigation in sweet cherry trees

Montoya¹

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Picture 2. Details of 'Prime Giant' (A) and 'Royal Dawn' (B) sweet cherry fruit. 1.3.2. Rootstock 'SL64' is a P. mahaleb L. clonal rootstock selected by INRA (Picture 3A) in France. It is compatible with most sweet cherry cultivars and induces high productivity. 'SL64' is well adapted to calcareous and stony soil but is highly susceptible to root asphyxia, so it is only recommendable in well-drained soil. It has got high vigour and is low explorative. Cultivars grafted on 'SL64' rootstock grow about 20-30 % more vigorously than the same cultivars on 'MaxMa14'. 'MaxMa14' is a rootstock hybrid of P. mahaleb × P. avium, obtained by Brooks Nurseries (Picture 3B) in Oregon (USA) and well adapted to lime soil. It induces more precocity than 'SL64', moderate vigour and it is resistant to Phytophthora cambivora and megasperma and tolerant to bacterial canker. However, it is susceptible to severe droughts, but low susceptible to cherry leaf spot. Picture 3. Details of 'SL64' (A) and 'MaxMa14' (B) rootstocks. 1.4. Advances in cultivation Currently trends in sweet cherry cultivation are based on the combination of two factors, new conduction systems that promote higher tree densities (fruiting walls) and covers (nets, tents A B A B Picture 9. WSN connection scheme (Source: Navarro-Hellín, 2016). WSN are prepared to work under hostile meteorological conditions and tolerate electronic and communication failures. Regarding its appearance, nodes are small and do not hinder farmer's work. Due to the problems of wired sensor networks and the attractive characteristics of WSNalthough in research trials with high sensor density wired networks have provided good results-in commercial orchards the trend is to install WSN (Navarro-Hellín, 2016). References

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“…11.17). Увођење нових подлога у производњу (у типу гизела) пружа могућност интензивније производње и веће економичности (Lang 2000;Lang et al 2017;Koumanov et al 2018). Ограничење у производњи трешње је низак ниво доступних знања, као и висока цијена савременог садног материјала (комбинација сорта/подлога) који се углавном увози из ЕУ.…”

Section: производња садног материјала воћака у републици српскојunclassified

Current situation and future perspectives of fruit production in the Republic of Srpska

Cvеtkоvić,

Pаšаlić

2020

ORUPRS

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Fruit production is a highly accumulative branch of agricultural production, which for its development requires large investments and a high level of narrowly specialized knowledge. In Republic of Srpska, there is a relatively long tradition of fruit production, especially in its northwestern part. The characteristics of the land on which fruit production takes places, and the prevailing climate conditions impose the need for significant capital investments in land preparation during orchard establishment and installation of accompanying facilities in the orchard that can ensure safe and efficient production during the period of exploitation. The production of planting material satisfies the needs of producers in quantities, but there is a need to innovate the production process by raising the level of nursery trees quality and introducing new varieties and rootstocks into production. The most economically important fruit species are plum, apple, pear and raspberry. According to their competitiveness in comparation to the surrounding countries and beyond, as well as export opportunities, plums and raspberries are of special importance. In the cultivation of plums, raspberries and partly apples, significant progress has been made in the growing technology and thus towards the realization of highly profitable production. Although significant initiatives are present, the cultivation of other fruit species in the Republic of Srpska does not have much economic significance at the moment. In Republic of Srpska, there are fruit producers who can be competitive in price and/or quality in the domestic, regional and European markets. Although not clearly defined in fruit production, the specialization of certain production regions can be observed (for raspberry or plum production). Further perspective of fruit growing development in Republic of Srpska depends on all participants in the sector and their understanding of changes, challenges and global trends, as well as understanding the position that fruit growing can and should have in economic and rural development. The extent to which the specialization of producers, and thus certain regions, will be realized in the coming period depends to a large extent on the strategic and long-term approach to planning the further development of this sector. The paper presents the basic characteristics of fruit production in the Republic of Srpska, with special reference to the economically most important fruit species and gives guidelines for possible further development of this sector.

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Intensive sweet cherry production on dwarfing rootstocks revisited

Cited by 11 publications

References 39 publications

Influence of Regulated Deficit Irrigation and Environmental Conditions on Reproductive Response of Sweet Cherry Trees

Influence of Regulated Deficit Irrigation and Environmental Conditions on Reproductive Response of Sweet Cherry Trees

Agronomic and physiological basis for automating regulated deficit irrigation in sweet cherry trees

Current situation and future perspectives of fruit production in the Republic of Srpska

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