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Agronomic Characterization of the ‘Trompito INTA’ Persian Walnut Cultivar

‘Trompito INTA’ is a walnut cultivar of Argentine origin, developed at the Catamarca Experimental Station of the Instituto Nacional de Tecnología Agropecuaria (INTA). It was produced in 1984 by controlled pollination between the Persian walnut cultivars ‘Lompoc’ x ‘UC 56–224’. It has a very early to...

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Main Authors: Carabajal, Dante Edgardo, Colica, Juan Jose, Prataviera, Antonio Gabriel, Delgado, Eber Alexander, Gariglio, Norberto Francisco
Format: Artículo
Language:Inglés
Published: Springer 2023
Subjects:
Juglans regia
Nuez
Variedades
Características Agronómicas
Fitomejoramiento
Walnuts
Varieties
Agronomic Characters
Plant Breeding
Variedad Trompito INTA
Online Access:http://hdl.handle.net/20.500.12123/15966
https://link.springer.com/article/10.1007/s40003-021-00582-8
https://doi.org/10.1007/s40003-021-00582-8
Summary:‘Trompito INTA’ is a walnut cultivar of Argentine origin, developed at the Catamarca Experimental Station of the Instituto Nacional de Tecnología Agropecuaria (INTA). It was produced in 1984 by controlled pollination between the Persian walnut cultivars ‘Lompoc’ x ‘UC 56–224’. It has a very early to early sprouting and flowering, and it is protandrous with 30–70% overlap between pollen shedding and pistillate flower receptivity. Its harvesting occurs 28 days earlier than that of ‘Chandler’. The tree has weak vigor, semi-upright growth habit, medium density of branches and lateral fructification. The nut is of very large size (37.12 mm), the shell is thin, the kernel color is very light, and kernel percent is very high (> 53.5%). ‘Trompito INTA’ has early harvesting, high-quality nut and kernel attributes and better agronomic performance than ‘Chandler’, mainly at lower elevations. This cultivar is allowing the expansion of the crop in the province of Catamarca, lowering the limit of altitude for walnut cultivation.

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