Olive floral development in different hedgerow positions and orientations as affected by irradiance

Trentacoste, Eduardo R.; Moreno-Alías, Inmaculada; Gómez-del-Campo, María; Beyá-Marshall, V.; Rapoport, Hava F.

doi:10.1016/j.scienta.2017.06.029

Cited by 16 publications

(16 citation statements)

References 33 publications

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“…This is a consequence of total bud number and bud induction, as reported before. In SHD olive and grape, fruit set was not responsive to irradiance, presumably due to different light saturation points [24,25,40]. In line with Trentacoste et al [22,24] in olive, our study confirmed that in almond, row orientation and exposure did not affect hulled fruit yield from the middle and top layers of the canopy (Table 9).…”

Section: Discussionsupporting

confidence: 87%

“…In SHD olive and grape, fruit set was not responsive to irradiance, presumably due to different light saturation points [24,25,40]. In line with Trentacoste et al [22,24] in olive, our study confirmed that in almond, row orientation and exposure did not affect hulled fruit yield from the middle and top layers of the canopy (Table 9). In olive, Tous et al [51] reported greater yield with N-S orientation as in grape [25,52,53], whereas Gòmez-del-Campo et al [54] observed higher yield with E-W orientation.…”

Section: Discussionsupporting

confidence: 87%

“…We found the highest number of fruits in mid position, for both orientations, while in olive, fruit number per layer increased linearly from bottom to top, as did inflorescences [24]. In our case, this is probably due to incomplete growth and development at the top of the tree canopies.…”

Section: Discussionsupporting

confidence: 42%

“…No differences were found between layers, except in the case of south exposure where the bottom layer had the fewest buds. On the contrary, in E-W oriented olive groves, top canopy layers seemed to have a greater total number of buds [24,38,39].…”

Section: Discussionmentioning

confidence: 85%

“…In olive and grape orchards, floral induction was not related to row orientation or to canopy layer [24,25]. In olive trees, the flowering stimulus seems to translocate from more illuminated to poorly illuminated canopy positions [45,46].…”

Section: Discussionmentioning

confidence: 99%

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Row Orientation and Canopy Position Affect Bud Differentiation, Leaf Area Index and Some Agronomical Traits of a Super High-Density Almond Orchard

Maldera

Vivaldi

Iglesias-Castellarnau³

et al. 2021

Agronomy

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Super-high density (SHD) is the latest innovation in almond growing. This new cropping system needs to be studied in different climates, soils, latitudes and cultivars in order to promote more efficient and sustainable orchard management. This study shows the effects of two row orientations and different canopy positions on leaf area index (LAI), photosynthetically active radiation (PAR) and biological, phenological and agronomical parameters of a SHD almond orchard. Total bud number and flower bud number were higher for N-S row orientation and more wood buds were detected in top layers. LAI was strongly influenced by layer, but not by row orientation. Row orientation did not affect blooming or ripening phenology. Fruit number per layer was higher for North–South (N-S) row orientation and in middle layers; fruit set showed the opposite trend to flower bud and fruit numbers, achieving higher values for East–West (E-W) row orientation. Hulled fruit yield was not affected by row orientation but by canopy height. N-S oriented rows showed a greater number of empty nuts than E-W, but no differences were found between layers. We concluded that in SHD almond orchards, row orientation is determinant for sustainable crop management.

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