Articles
Response of ‘Manzanilla de Sevilla’ in high density hedgerow olive orchards with ‘Chiquitita’ as rootstock
Article number
1446_41
Pages
319 – 326
Language
English
Abstract
High density hedgerow olive orchards expanded rapidly in many olive growing areas at the end of the 20th century.
Most of the current cultivars are not suitable for this system, as they are too vigorous to be trained in hedgerow formation. ‘Chiquitita’ (‘Sikitita’) is a new Spanish cultivar that shows low vigor and is specifically selected for hedgerow types of orchards.
Rootstock selection is another way in which growers could expand the number of cultivars suitable for this growing system.
To explore this idea, this work studied the effect of ‘Chiquitita’ as rootstock on ‘Manzanilla de Sevilla’. The experiment was performed in the experimental farm “La Hampa” (IRNAS-CSIC) in Coria del Rio (Seville, Spain). Grafted and non-grafted trees were planted during the 2013 season in 7 blocks of 6 trees each (3 grafted and 3 non-grafted) using 4×1.75 m distance.
All trees were irrigated with a single dripline, with two emitters per plant (8 L h‑1), with a period of water stress from pit hardening until two weeks before harvest.
The current work presents data of 2017 season.
No significant differences were measured in vegetative growth, though grafted trees trended to lower shoot expansion from massive pit hardening.
The number of inflorescence per shoot and fruit per inflorescence were almost equal between treatments.
However, water relations, midday stem water potential and leaf conductance were significantly different in some dates.
Although yield and fruit size were not statistically different, grafted trees tended to lower values than non-grafted.
Pulp-pit ratios were significantly lower in grafted trees because both components were smaller.
Rootstock could induce a slight decrease in fruit size.
Most of the current cultivars are not suitable for this system, as they are too vigorous to be trained in hedgerow formation. ‘Chiquitita’ (‘Sikitita’) is a new Spanish cultivar that shows low vigor and is specifically selected for hedgerow types of orchards.
Rootstock selection is another way in which growers could expand the number of cultivars suitable for this growing system.
To explore this idea, this work studied the effect of ‘Chiquitita’ as rootstock on ‘Manzanilla de Sevilla’. The experiment was performed in the experimental farm “La Hampa” (IRNAS-CSIC) in Coria del Rio (Seville, Spain). Grafted and non-grafted trees were planted during the 2013 season in 7 blocks of 6 trees each (3 grafted and 3 non-grafted) using 4×1.75 m distance.
All trees were irrigated with a single dripline, with two emitters per plant (8 L h‑1), with a period of water stress from pit hardening until two weeks before harvest.
The current work presents data of 2017 season.
No significant differences were measured in vegetative growth, though grafted trees trended to lower shoot expansion from massive pit hardening.
The number of inflorescence per shoot and fruit per inflorescence were almost equal between treatments.
However, water relations, midday stem water potential and leaf conductance were significantly different in some dates.
Although yield and fruit size were not statistically different, grafted trees tended to lower values than non-grafted.
Pulp-pit ratios were significantly lower in grafted trees because both components were smaller.
Rootstock could induce a slight decrease in fruit size.
Publication
Authors
M. Sánchez-Piñero, M.J. Martín-Palomo, R. de la Rosa, L. León, I. Girón, L.L. de Sosa, M. Corell, N. Medina-Zurita, A. Moriana
Keywords
deficit irrigation, fruits, table olive, vegetative growth, water relations
Online Articles (54)