Mostrando ítems 41-60 de 1283
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Effects of Retain™ on fruit maturity and fruit set of pear cultivars Williams and Packham's Triumph
(ISHS, 2002-12)ReTain™ (Aminoethoxyvinylglycine: AVG), a newly registered commercial product, is an ethylene biosynthesis inhibitor that delayed fruit maturation if applied before harvest and increased fruit set if applied after bloom ... -
Misleading zinc deficiency diagnose in pome fruit and inappropriate use of foliar zinc sprays
(ISHS, 2002-11-30)Many researchers and field managers consider Zn the most limiting micronutrient for tree fruit production. A threshold concentration of 18-20 ppm in summer shoot leaves is considered adequate in most world fruit growing ... -
Sensory evaluation of pears: a useful tool to detect changes in eating quality during ripening
(ISHS, 2011-10)Since pears are very perishable once they are ripe, they are generally purchased unripe and require a few days at room temperature to reach maturity. Consumers complain that pears advance from unripe to overripe in a very ... -
Relationship between maturity index and ethylene production patterns of 'Williams' pears grown in the Alto Valle of Río Negro
(ISHS, 2011-10)The Alto Valle of Río Negro is the most important pear production region of Argentina and 50% of this production is of the ‘Williams’ cultivar. The aim of this study was to characterize maturation of ‘Williams’ pear according ... -
Non-destructive index to characterize the maturity of 'Williams' pears grown in Argentina
(ISHS, 2011-10)Determining the maturity at harvest is crucial for storage and marketing of pears. In recent years non-destructive techniques were evaluated. In this study we used spectroscopy in the Vis-NIR range, and established the AD ... -
Ripening induction of 'Packham's Triumph' pears treated wih 1-Methylcyclopropene (1-MCP)
(ISHS, 2011-10)Commercial use of SmartFresh® in pears requires applying a concentration of 1-methylcyclopropene (1-MCP) sufficient to delay the maturity process, but which still allows the proper ripening of the fruit after storage. The ... -
Post-harvest performance of 'Abate Fetel' pears grown in Argentina in relation to harvest time
(ISHS, 2011-10)The area planted with ‘Abate Fetel’ pears has increased in Argentina in recent years, and the trend suggests it will continue to increase in the near future. Because the information available for harvest and postharvest ... -
Developing a sensory descriptive panel for pear quality evaluation
(ISHS, 2011-10)Argentina is one of the main pear exporters in the world, being recognized in the market for the quality of its emblematic cultivar ‘Williams Bon Chretien’, better known as ‘Bartlett’. Rapid changes occurring in consumer ... -
Factors affecting sensitivity of 'Abate Fetel' pears to friction discoloration
(ISHS, 2011-10)Friction discoloration (FD) is one of the main postharvest problems of ‘Abate Fetel’ pears. During 2009 and 2010, the effect of maturity, 1-methylcyclopropene (1-MCP), temperature and degree of dehydration of fruits on ... -
Effects of volume rate and spray pressure of an air-assisted sprayer on pesticide distribution and drift on pear prees
(ISHS, 2011-10)Pear orchards in Argentina are predominantly sprayed with an axial fan airblast sprayer. In this system, the forced air jet transports the spray droplets to the plant surface. The droplets are produced by an hydraulic ... -
Sensory evaluation of principal pear cultivars from North Patagonia, Argentina
(ISHS, 2011-10)Even though Argentina is recognized in the international market for the quality of its emblematic cultivar ‘Bartlett’, other cultivars, commercially well ranked, are grown in the northern Patagonia area whose sensory quality ... -
Prediction of symptoms occurrence of fire blight (Erwinia amylovora) by the MARYBLYT™program in Río Negro, Argentina
(ISHS, 2011-10)Erwinia amylovora is the causal agent of fire blight, a quarantine disease for Argentina, which causes great economic losses in pome fruit in Europe and North America. Due to its high power of multiplication and form of ... -
Evaluation of phosphine gas as a quarantine treatment for obscure mealybug for export markets
(ISHS, 2011-10)Obscure mealybug (Pseudococcus viburni (Hemiptera: Pseudococcidae)) is present in the pome orchards of the Upper Valley of Río Negro and Neuquén. It is a quarantine pest of actual and/or future importance for the markets ... -
Detection of phytophthora cactorum in the irrigation water in commercial orchards of 'Bartlett' pear in Villa Regina, Rio Negro
(ISHS, 2011-10)The collar and root rot caused by Phytophthora cactorum on apples and pears is one of the most economically significant diseases worldwide. P. cactorum has the ability to disperse through the water, either rain or irrigation, ... -
“Conveniando acceso y uso a la tierra, institucionalidades y prácticas para la agroecología, desde la soberanía alimentaria”. Roca, Alto Valle del Río Negro, Argentina.
(Asociación Argentina de Extensión Rural (AADER), 2025-07-08)La agroecología crece con consumidores organizados que reclaman acceso a alimentos sanos y saludables, y la iniciativa de agricultores familiares conscientes de la necesidad de promover sistemas alimentarios sostenibles, ... -
Huertas agroecológicas escolares en Haití. Una estrategia de la construcción de seguridad alimentaria y nutricional
(Asociación Argentina de Extensión Rural (AADER), 2024-11)En ocasión de la reunión inaugural de la Presidencia Pro-Tempore de la Argentina en la Comunidad de Estados Latinoamericanos y Caribeños (CELAC), durante enero del año 2022, el Canciller haitiano Jean Victor Généus solicitó ... -
Agricultura Regenerativa en Fruticultura en el Alto Valle de Río Negro y Neuquén
(Asociación Argentina de Extensión Rural (AADER), 2024-11)Existe abundante evidencia que permite afirmar que la Agricultura Regenerativa es viable y sustentable tanto desde el punto de vista ambiental, como en el aspecto económico dado que también debe considerarse la importancia ... -
Trends in codling moth mating disruption programs in the pear orchards of Argentina
(ISHS, 2011-10-31)Integrated pest and disease management has currently been directed more specifically towards the implementation of programs for the production of fruit with minimum pesticide residues. This is principally attributed to the ... -
Technologic problems to face when establishing walnut in new cold areas: the experience in the southern hemisphere
(ISHS, 2014-08-22)In south Argentina, mainly in the Patagonian region, high-density walnuts are planted. The diversity of the soils of the region, the heterogeneity of the plants available on the market and the limited use and tradition of ... -
Effect of concentration, application volume and addition of a surfactant on response to benzyladenine as thinning agent in 'Williams' pears
(ISHS, 2011-10)Benzyladenine (BA) is an effective thinning agent for Williams pear, the most important cultivar in Argentina. The aims of this research were: to find the minimum effective BA rate for increasing fruit size in Williams ...