Effects of field treatments with alternatives to conventional fungicides on strawberry fruit quality parameters and postharvest decay

Continued and intermittent (12 h per day) ozone treatments (2 ppm) to control postharvest decay have been assayed during the storage of ‘Superior Seedless’, ‘Cardinal CL80,’ and ‘Regina Victoria’ table grapes (Vitis vinifera L.) at 5 °C for 72 days. The effects of these treatments on the main fruit quality parameters, including resveratrol content, were monitored. Both ozone treatments considerably reduced decay of cold stored grapes compared to those kept in air, continuous ozone treatment being the most effective for controlling postharvest losses. Intermittent ozone treatment induced the highest resveratrol content in stored grapes. On the contrary, ozone-treated grapes got lower scores in the sensory evaluation tests and also showed significantly higher weight losses than the fruits kept in air.

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Heat Treatments Delay Ripening and Postharvest Decay of Strawberry Fruit

Journal of Agricultural and Food Chemistry ◽

10.1021/jf9700337 ◽

1997 ◽

Vol 45 (12) ◽

pp. 4589-4594 ◽

Cited By ~ 81

Author(s):

Pedro Marcos Civello ◽

Gustavo Adolfo Martínez ◽

Alicia Raquel Chaves ◽

María Cristina Añón

Keyword(s):

Heat Treatments ◽

Strawberry Fruit ◽

Postharvest Decay

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The impact of location, row direction, plant density and rootstock on the sunburn damage of apple cultivars

International Journal of Horticultural Science ◽

10.31421/ijhs/11/1/554 ◽

2005 ◽

Vol 11 (1) ◽

Cited By ~ 3

Author(s):

J. Racskó ◽

J. Nagy ◽

Z. Szabó ◽

M. Major ◽

J. Nyéki

Keyword(s):

Solar Radiation ◽

Leaf Area ◽

Fruit Quality ◽

Plant Density ◽

Fruit Size ◽

Quality Parameters ◽

Apple Seedling ◽

Apple Cultivars ◽

The Impact ◽

Crab Apple

The effect of row direction (N-S, E-W), plant density (conventional and intensive) and rootstock (M9, MM106 and crab apple) on the sensitivity of 41 apple cultivars to sunburn injury was studied at 6 locations (Derecske, Kálmánáaza, Nagykutas, Nagylapos, Siófok, Tornyospálca). During the observations the cultivars had rootstock-specific properties in respect of sunburn-susceptibility. Accordingly, the injury was decreased in the order: M9, MM106 and seedling rootstocks. The differences in sensitivity depend on the canopy of trees, caused finally by the growing vigour of rootstocks. Accordingly, the highest value of sunburn injury was observed on M9 rootstock, because this rootstock has a dwarfing effect upon the scion cultivars. Thus, vegetative area of these trees grow very slowly and the foliage is not enough compact to protect the fruit from solar radiation. The size and density of the foliage increased in the order: M9, MM 106 and crab apple seedling as rootstock. Moreover, relationships were demonstrated between the diameter of upper part of the crown, the leaf area, the number of fruits per tree and the injury of sunburn. Authors categorized the cultivars in respect of values of sunburn incidence: 1. „Not sensitive", II. „Moderately sensitive" and HI. „Strongly sensitive" categories were constituted. Generally, Topaz and Gala cultivars showed low damage (or were free from symptoms), in contrast to this, Golden mutants suffered relatively much. The most sensitive cultivar was Jonica on all the three rootstocks. We searched for relationship between the fruit quality parameters and the frequency of sunburn. Significant correlation was found in the cases of fruit size and the extent of cover-colour. The latter is interpreted with the fact that the best coloured fruits are found on the periphery of crown as a consequence of more intense irradiation.

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Does propagation method affect the field performance of peach trees?

Semina Ciências Agrárias ◽

10.5433/1679-0359.2017v38n4suplp2815 ◽

2017 ◽

Vol 38 (4Supl1) ◽

pp. 2815

Author(s):

André Luiz Kulkamp de Souza ◽

Márcia Wulff Schuch ◽

Samila Silva Camargo ◽

Robson Rodrigues Pereira ◽

Edson Luiz de Souza ◽

...

Keyword(s):

Fruit Quality ◽

Field Performance ◽

Quality Parameters ◽

High Density ◽

Conventional System ◽

Hydroponic System ◽

Potential Alternative ◽

Propagation Methods ◽

Peach Trees ◽

Vegetative Bud

Worldwide, peach propagation has been performed mainly by grafting scions of desirable cultivars on rootstocks obtained from seeds. There are, however, other potential propagation methods not widely adopted due to the limited reports on the field performance of the resultant trees. This study addressed this knowledge gap and investigated the field performance of peach trees of the cultivar Maciel that were established in an orchard (5.0 m × 1.4 m spacing) in 2011. The trees were trained in a "Y" system, with seedlings from three propagation techniques: 1) Conventional System (CS) - vegetative bud grafting of the scion on the rootstock of the Okinawa cultivar obtained from seed; 2) Rootstock by Minicutting (RM) - vegetative bud grafting of the scion on the rootstock of the Okinawa cultivar obtained by minicutting in a semi-hydroponic system; 3) Self-Rooting (SR) - self-rooting of the scion in a semi-hydroponic system. The vegetative, productive, and fruit quality parameters were assessed during 2012 and 2013. The Maciel peach trees that were propagated by the SR technique were found to have similar or even superior field performance to those propagated by the CS. The RM propagation method was also found to be an important potential alternative to peach propagation, since this it combines two techniques (cutting and grafting) to reduce tree vigor, especially if the goal is high-density planting.

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Effect of blue light treatment on fruit quality, antioxidant enzymes and radical-scavenging activity in strawberry fruit

Scientia Horticulturae ◽

10.1016/j.scienta.2014.06.012 ◽

2014 ◽

Vol 175 ◽

pp. 181-186 ◽

Cited By ~ 37

Author(s):

Feng Xu ◽

Liyu Shi ◽

Wei Chen ◽

Shifeng Cao ◽

Xinguo Su ◽

...

Keyword(s):

Antioxidant Enzymes ◽

Blue Light ◽

Fruit Quality ◽

Radical Scavenging Activity ◽

Radical Scavenging ◽

Light Treatment ◽

Scavenging Activity ◽

Strawberry Fruit

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Strawberry fruit quality with the increased iron application

Acta Horticulturae ◽

10.17660/actahortic.2021.1309.146 ◽

2021 ◽

pp. 1033-1040

Author(s):

B. Duralija ◽

D. Mikec ◽

S. Jurić ◽

B. Lazarević ◽

L. Maslov Bandić ◽

...

Keyword(s):

Fruit Quality ◽

Strawberry Fruit

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Effects of Rootstock/Scion Combination and Two Irrigation Water Qualities on Cherry Tomato Yield and Postharvest Fruit Quality

Horticulturae ◽

10.3390/horticulturae5020035 ◽

2019 ◽

Vol 5 (2) ◽

pp. 35 ◽

Cited By ~ 1

Author(s):

Hiam Abu Glion ◽

Sharon Alkalai-Tuvia ◽

Merav Zaaroor-Presman ◽

Daniel Chalupowicz ◽

Mili Zanbar ◽

...

Keyword(s):

Fresh Water ◽

Fruit Quality ◽

Irrigation Water ◽

Fruit Size ◽

Quality Parameters ◽

Cherry Tomato ◽

Sea Transport ◽

Salty Water ◽

Solanum Lycopersicum L ◽

Tomato Yield

The aim of this research was to evaluate postharvest cherry tomato (Solanum lycopersicum (L.) Mill.) yield and fruit quality as affected by grafting and irrigation water quality in the desert region of Israel. Tomato plants (scion cv. Lorka) were grafted onto 3 commercial tomato rootstocks (Resistar, Beaufort and TRS2) and were irrigated with 2 water qualities: fresh water (electrical conductivity (EC)-1.6 dS m−1) and salty water (EC-4.0 dS m−1). Fresh water significantly increased fruit yield by an average of 17% and fruit size, regardless of plant grafting and rootstock, but there were no significant differences in fruit size between the water treatments. However, salty water, but not grafting, significantly improved several quality parameters of fruit stored for 12 d at 12 °C followed by 2 d at 20 °C in simulated sea transport of produce from Israel to Europe and marketing. Fruit harvested from plants irrigated with salty water showed higher sweetness, sourness and, especially, better general taste, and significantly reduced off-flavor, compared with those irrigated with fresh water. The combination of ‘Lorka’ on ‘Resistar’ rootstock and resulted in the best external, internal, and sensory quality parameters at the end of storability and marketing simulation, while the lowest-quality parameters were in fruit harvested from ‘Lorka’ on ‘Beaufort’ rootstock.

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