Articles
Pilowred®, new low-vigour-conferring rootstock resistant to nematodes. First results of its agronomical performance in six locations
Article number
1406_31
Pages
203 – 208
Language
English
Abstract
The introduction of new and more innovative cultivation systems for almond trees [Prunus amygdalus (L.) Batsch, syn. P. dulcis (Mill.)] allows a more sustainable and efficient management of the crop by reducing inputs and management costs.
Control of the tree vigour can be selected for genetically through breeding, without forgetting other important traits such as resistance to biotic and abiotic stresses.
In this work, the agronomical results of a new almond × peach rootstock, ‘Pilowred®’ compared to five commercial rootstocks from CITA and Agromillora group breeding programs (‘Monegro®’, ‘Garnem®’, ‘Rootpac® R’, ‘Rootpac® 20’ and ‘Rootpac® 40’) are shown.
Trials were established in six locations throughout the Iberian Peninsula with a range of trial conditions and planting distances: In Portugal: Beja (6×3.5 m); in Spain: Huelva, (6×3 m), Córdoba (6×1.25 m), Teruel-1 (7×6 m), Teruel-2 (7×7 m), Zaragoza-1 (6×4.4 m) and Zaragoza-2 (6×5 m). The cultivars chosen were ‘Soleta’, ‘Isabelona’ and ‘Lauranne’ (late-blooming), ‘Vialfas’ and ‘Mardía’ (extra-late blooming) and combination with the rootstocks were done based on the specific edaphoclimatic conditions of each location.
Plants were established in 2020 (Huelva and Córdoba trials) and 2021 (Beja, Teruel, and Zaragoza trials). The trunk cross section area (TCSA) was assessed.
The results showed statistical differences among the scion-rootstock combinations.
Also, ‘Pilowred®’ presented a lower TCSA than ‘Garnem®’, ‘Monegro®’ and ‘Rootpac® R’ in all planting systems, and a similar TCSA as ‘Rootpac® 20’. Additionally, this new rootstock shows resistance to two races of root-knot nematodes (RKN), Meloidogyne arenaria and M. incognita as does ‘Garnem®’.
Control of the tree vigour can be selected for genetically through breeding, without forgetting other important traits such as resistance to biotic and abiotic stresses.
In this work, the agronomical results of a new almond × peach rootstock, ‘Pilowred®’ compared to five commercial rootstocks from CITA and Agromillora group breeding programs (‘Monegro®’, ‘Garnem®’, ‘Rootpac® R’, ‘Rootpac® 20’ and ‘Rootpac® 40’) are shown.
Trials were established in six locations throughout the Iberian Peninsula with a range of trial conditions and planting distances: In Portugal: Beja (6×3.5 m); in Spain: Huelva, (6×3 m), Córdoba (6×1.25 m), Teruel-1 (7×6 m), Teruel-2 (7×7 m), Zaragoza-1 (6×4.4 m) and Zaragoza-2 (6×5 m). The cultivars chosen were ‘Soleta’, ‘Isabelona’ and ‘Lauranne’ (late-blooming), ‘Vialfas’ and ‘Mardía’ (extra-late blooming) and combination with the rootstocks were done based on the specific edaphoclimatic conditions of each location.
Plants were established in 2020 (Huelva and Córdoba trials) and 2021 (Beja, Teruel, and Zaragoza trials). The trunk cross section area (TCSA) was assessed.
The results showed statistical differences among the scion-rootstock combinations.
Also, ‘Pilowred®’ presented a lower TCSA than ‘Garnem®’, ‘Monegro®’ and ‘Rootpac® R’ in all planting systems, and a similar TCSA as ‘Rootpac® 20’. Additionally, this new rootstock shows resistance to two races of root-knot nematodes (RKN), Meloidogyne arenaria and M. incognita as does ‘Garnem®’.
Authors
B. Bielsa, Á. Montesinos, M.J. Rubio-Cabetas
Keywords
agronomical performance, almond breeding, RKN, rootstock breeding, TCSA
Groups involved
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